LD1086xx
1.5 A low drop positive voltage regulator adjustable and fixed
Features
■ ■
Typical dropout 1.3 V at 1.5 A Three terminal adjustable or fixed output voltage 1.5 V, 1.8 V, 2.5 V, 3.3 V, 3.6 V, 5 V, 8 V, 12 V Automotive Grade product: adjustable VOUT only in TO-220 and DPAK packages Guaranteed output current up to 1.5A Output tolerance ± 1 % at 25 °C and ± 2% in full temperature range Internal power and thermal limit Wide operating temperature range -40 °C to 125 °C Package available: TO-220, D2PAK, D2PAK/A, DPAK Pinout compatibility with standard adjustable VREG
D2PAK D2PAK/A DPAK TO-220
■ ■ ■ ■ ■
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the load, so increase efficiency. Only a 10 µF minimum capacitor is need for stability. The device is supplied in TO-220, D2PAK, D2PAK/A and DPAK. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C. The LD1086 is available as Automotive Grade in TO-220 and DPAK packages, for the option of adjustable output voltage whose commercial Part Numbers are shown in the Table 18 (order codes). These devices are qualified according to the specification AEC-Q100 of the Automotive market, in the temperature range -40 °C to 125 °C, and the statistical tests PAT, SYL, SBL are performed.
Description
The LD1086 is a LOW DROP voltage regulator able to provide up to 1.5 A of output current. Dropout is guaranteed at a maximum of 1.2 V at the maximum output current, decreasing at lower loads. The LD1086 is pin to pin compatible with the older 3-terminal adjustable regulators, but has better performances in term of drop and output tolerance. A 2.85 V output version is suitable for SCSI-2 active termination. Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1086 quiescent current flows into Table 1. Device summary
Part number LD1086XX LD1086XX12 LD1086XX15 LD1086XX18 LD1086XX25 LD1086XX33 LD1086XX36 LD1086XX50 LD1086XX80
February 2008
Rev 21
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Contents
LD1086xx
Contents
1 2 3 4 5 6 7 8 9 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Schematic application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
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LD1086xx
List of figures
List of figures
Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Figure 35. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Output voltage vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Output voltage vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Output voltage vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Short circuit current vs dropout voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Line regulation vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Load regulation vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Dropout voltage vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Dropout voltage vs output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Adjust pin current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Adjust pin current vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Adjust pin current vs output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Quiescent current vs output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Quiescent current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Supply voltage rejection vs output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Supply voltage rejection vs frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Supply voltage rejection vs temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Minimum load current vs temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Stability for adjustable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Stability for 2.85 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Stability for 12 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Line transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Line transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Line transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Load transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Load transient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Drawing dimension D2PAK (type STD-ST). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Drawing dimension D2PAK (type WOOSEOK-SUBCON.) . . . . . . . . . . . . . . . . . . . . . . . . . 28 D2PAK footprint recommended data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Drawing dimension D2PAK/A (type STD-ST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Drawing dimension D2PAK/A (type WOOSEOK-Subcon.) . . . . . . . . . . . . . . . . . . . . . . . . . 32 D2PAK/A footprint recommended data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
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List of tables
LD1086xx
List of tables
Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Table 18. Table 19. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics of LD1086#15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Electrical characteristics of LD1086#18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Electrical characteristics of LD1086#25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Electrical characteristics of LD1086#33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Electrical characteristics of LD1086#36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Electrical characteristics of LD1086#50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Electrical characteristics of LD1086#80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Electrical characteristics of LD1086#12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Electrical characteristics of LD1086# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Electrical characteristics of LD1086DTTRY and LD1086VY (Automotive Grade) . . . . . . . 18 D2PAK mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Footprint data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 D2PAK/A mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Footprint data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
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LD1086xx
Diagram
1
Figure 1.
Diagram
Schematic diagram
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Pin configuration
LD1086xx
2
Figure 2.
Pin configuration
Pin connections (top view)
TO-220
D2PAK
DPAK
D2PAK/A
Note:
The TAB is physically connected to the output (this is valid for the TO-220 package too).
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LD1086xx
Maximum ratings
3
Table 2.
Maximum ratings
Absolute maximum ratings
Parameter DC input voltage Output current Power dissipation Storage temperature range Operating junction temperature range Value 30 Internally Limited Internally Limited -55 to +150 -40 to +125 Unit V mA mW °C °C
Symbol VI IO PD TSTG TOP
Note:
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied Thermal data
Parameter Thermal resistance junction-case Thermal resistance junction-ambient TO-220 3 50 D2PAK D2PAK/A 3 62.5 DPAK 8 Unit °C/W °C/W
Table 3.
Symbol RthJC RthJA
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Schematic application
LD1086xx
4
Figure 3.
Schematic application
Application circuit
R2 V O = V REF ⋅ ⎛ 1 + ------⎞ ⎝ R⎠
1
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LD1086xx
Electrical characteristics
5
Table 4.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics
Electrical characteristics of LD1086#15 (VI = 4.5 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 3.4 to 30V Line regulation IO = 0 mA, VI = 3.1 to 18V, TJ = 25°C IO = 0 mA, VI = 3.1 to 15V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation SVR eN S S Supply voltage rejection IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 6.5 ± 3V 60 1.5 0.05 Min. 1.485 1.47 Typ. 1.5 1.5 0.2 0.4 0.5 1 1.3 5 2 0.02 0.01 82 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 1.515 1.53 4 4 8 16 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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Electrical characteristics Table 5.
Symbol VO ΔVO ΔVO Vd Iq Isc
LD1086xx
Electrical characteristics of LD1086#18 (VI = 4.8 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 3.4 to 30V Line regulation IO = 0 mA, VI = 3.4 to 18V, TJ = 25°C IO = 0 mA, VI = 3.4 to 15V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 6.8 ± 3V 60 1.5 0.05 Min. 1.782 1.764 Typ. 1.8 1.8 0.2 0.4 0.5 1 1.3 5 2 0.02 0.01 82 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 1.818 1.836 4 4 8 16 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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LD1086xx
Electrical characteristics
Table 6.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics of LD1086#25 (VI = 5.5 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 4.1 to 30V Line regulation IO = 0 mA, VI = 4.1 to 18V, TJ = 25°C IO = 0 mA, VI = 4.1 to 18V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 7.5 ± 3V 60 1.5 0.05 Min. 2.475 2.45 Typ. 2.5 2.5 0.2 0.4 0.5 1 1.3 5 2 0.2 0.008 81 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 2.525 2.55 4 4 8 16 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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Electrical characteristics
LD1086xx
Table 7.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics of LD1086#33 (VI = 6.3 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 4.9 to 30V Line regulation IO = 0 mA, VI = 4.9 to 18V, TJ = 25°C IO = 0 mA, VI = 4.9 to 18V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 8.3 ± 3V 60 1.5 0.05 Min. 3.267 3.234 Typ. 3.3 3.3 0.5 1 1 7 1.3 5 2 0.2 0.008 79 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 3.333 3.366 6 6 10 25 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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LD1086xx
Electrical characteristics
Table 8.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics of LD1086#36 (VI = 6.6 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 5.2 to 30V Line regulation IO = 0 mA, VI = 5.2 to 18V, TJ = 25°C IO = 0 mA, VI = 5.2 to 18V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 8.6 ± 3V 60 1.5 0.05 Min. 3.564 3.528 Typ. 3.6 3.6 0.5 1 3 7 1.3 5 2 0.2 0.01 78 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 3.636 3.672 10 10 15 25 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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Electrical characteristics
LD1086xx
Table 9.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics of LD1086#50 (VI = 8 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 6.6 to 30V Line regulation IO = 0 mA, VI = 6.6 to 20V, TJ = 25°C IO = 0 mA, VI = 6.6 to 20V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 10 ± 3V 60 1.5 0.05 Min. 4.95 4.9 Typ. 5 5 0.5 1 5 10 1.3 5 2 0.2 0.01 75 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 5.05 5.1 10 10 20 35 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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LD1086xx
Electrical characteristics
Table 10.
Symbol VO ΔVO ΔVO Vd Iq Isc
Electrical characteristics of LD1086#80 (VI = 11 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 9.8 to 30V Line regulation IO = 0 mA, VI = 9.8 to 20V, TJ = 25°C IO = 0 mA, VI = 9.8 to 20V Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO =1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 13 ± 3V 54 1.5 0.04 Min. 7.92 7.84 Typ. 8 8 1 2 8 12 1.3 5 2 0.2 0.01 71 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 8.08 8.16 18 18 30 60 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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Electrical characteristics
LD1086xx
Table 11.
Symbol VO
Electrical characteristics of LD1086#12 (VI = 15 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 0 mA, TJ = 25°C IO = 0 to 1.5A, VI = 13.8 to 30V Line regulation IO = 0 mA, VI = 13.8 to 25V, TJ = 25°C IO = 0 mA, VI = 13.8 to 25V Min. 11.88 11.76 Typ. 12 12 1 2 12 24 1.3 5 1.5 0.05 2 0.2 0.01 54 66 0.003 0.5 TA = 125°C, 1000Hrs 0.5 0.04 Max. 12.12 12.24 25 25 36 72 1.5 10 Unit V V mV mV mV mV V mA A A %/W dB % % %
ΔVO
ΔVO Vd Iq Isc
Load regulation Dropout voltage Quiescent current Short circuit current Thermal regulation
IO = 0 to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI ≤30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF, IO = 1.5A VI = 17 ± 3V
SVR eN S S
Supply voltage rejection
RMS Output noise voltage (% of TA = 25°C, f =10Hz to 10kHz VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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LD1086xx
Electrical characteristics
Table 12.
Symbol VO
Electrical characteristics of LD1086# (VI = 4.25 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Test condition IO = 10mA TJ = 25°C IO = 10mA to 1.5A, VI = 2.85 to 30V Line Regulation IO = 10mA, VI = 2.8 to 16.5V, TJ = 25°C IO = 10mA, VI = 2.8 to 16.5V Min. 1.237 1.225 Typ. 1.25 1.25 0.015 0.035 0.1 0.2 1.3 3 1.5 0.05 2.3 0.2 0.01 60 88 40 0.2 0.003 0.5 TA = 125°C, 1000Hrs 0.5 120 5 0.04 Max. 1.263 1.275 0.2 0.2 0.3 0.4 1.5 10 Unit V V % % % % V mA A A %/W dB µA µA % % %
ΔVO
ΔVO Vd IO(min) Isc
Load Regulation Dropout Voltage Minimum Load Current Short Circuit Current Thermal Regulation
IO = 10mA to 1.5A, TJ = 25°C IO = 0 to 1.5A IO = 1.5A VI = 30V VI - VO = 5V VI - VO = 25V TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF,CADJ = 25 µF, IO = 1.5A, VI = 6.25 ± 3V VI = 4.25V, IO = 10 mA
(1)
SVR IADJ ΔIADJ eN S S
Supply Voltage Rejection Adjust Pin Current Adjust Pin Current Change
IO = 10mA to 1.5A, VI = 2.8 to 16.5V TA = 25°C, f =10Hz to 10kHz
RMS Output Noise Voltage (% of VO) Temperature Stability Long Term Stability
1. See short-circuit current curve for available output current at fixed dropout.
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Electrical characteristics Table 13.
Symbol VO ΔVO ΔVO Vd IO(min) Isc
LD1086xx
Electrical characteristics of LD1086DTTRY and LD1086VY (Automotive Grade) (VI = 4.25 V, CI = CO =10 µF, TA = -40 to 125 °C, unless otherwise specified).
Parameter Output voltage (1) Line regulation Load regulation Dropout voltage Minimum load current Short circuit current Thermal regulation Test condition IO = 10 mA TA = 25°C IO = 10 mA to 1.5 A, VI = 2.85 to 30 V IO = 10 mA, VI = 2.8 to 16.5 V IO = 0 to 1.5 A IO = 1.5 A VI = 30 V VI - VO = 5 V, TA = 25°C VI - VO = 25 V, TA = 25°C TA = 25°C, 30ms pulse f = 120 Hz, CO = 25 µF,CADJ = 25 µF, IO = 1.5 A, VI = 6.25 ± 3 V, TA = 25°C VI = 4.25 V, IO = 10 mA IO = 10 mA to 1.5 A, VI = 2.8 to 16.5 V TA = 25°C, f =10 Hz to 10 KHz 60 1.5 0.05 Min. 1.237 1.225 Typ. 1.25 1.25 0.035 0.2 1.3 3 2.3 0.2 0.01 88 40 0.2 0.003 0.5 TA = 125°C, 1000 Hrs 0.5 120 5 0.04 Max. 1.263 1.275 0.2 0.4 1.5 10 Unit V V % % V mA A A %/W dB μA μA % % %
SVR IADJ ΔIADJ eN S S
Supply voltage rejection Adjust pin current Adjust pin current change (1) RMS output noise voltage (% of VO) Temperature stability Long term stability
1. See short-circuit current curve for available output current at fixed dropout.
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LD1086xx
Typical application
6
Figure 4.
Typical application
(Unless otherwise specified TJ = 25 °C, CI = CO = 10 µF) Output voltage vs temperature Figure 5. Output voltage vs temperature
Figure 6.
Output voltage vs temperature
Figure 7.
Short circuit current vs dropout voltage
Figure 8.
Line regulation vs temperature
Figure 9.
Load regulation vs temperature
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Typical application
LD1086xx
Figure 10. Dropout voltage vs temperature
Figure 11. Dropout voltage vs output current
Figure 12. Adjust pin current vs input voltage Figure 13. Adjust pin current vs temperature
Figure 14. Adjust pin current vs output current
Figure 15. Quiescent current vs output current
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LD1086xx
Typical application
Figure 16. Quiescent current vs input voltage Figure 17. Supply voltage rejection vs output current
Figure 18. Supply voltage rejection vs frequency
Figure 19. Supply voltage rejection vs temperature
Figure 20. Minimum load current vs temperature
Figure 21. Stability for adjustable
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Typical application
LD1086xx
Figure 22. Stability for 2.85V
Figure 23. Stability for 12V
Figure 24. Line transient
Figure 25. Line transient
VI=12 to 13V, IO=200mA, CI = 1µF(tant), CO=10µF(tant), No CADJ
VI=12 to 13V, IO=200mA, CI = 1µF(tant), CO=10µF(tant), No CADJ
Figure 26. Line transient
Figure 27. Load transient
VI=12 to 13V, IO=200mA, CI = 1µF(tant), CO=10µF(tant), CADJ = 1µF
VI=13V, IO=0.1 to 1.5A, CI = 1µF(tant), CO=10µF(tant) CADJ =1µF
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LD1086xx Figure 28. Load transient
Typical application Figure 29. Thermal protection
VI=13V, IO=0.1 to 1.5A, CI=1µF(tant), CO=10µF(tant), CADJ =1µF
VO=2.85V
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Package mechanical data
LD1086xx
7
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
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LD1086xx
Package mechanical data
TO-220 mechanical data
Dim. A C D D1 E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 DIA. 13.0 2.65 15.25 6.2 3.5 3.75 0.49 0.61 1.14 1.14 4.95 2.4 10.0 16.4 14.0 2.95 15.75 6.6 3.93 3.85 0.511 0.104 0.600 0.244 0.137 0.147 mm. Min. 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 2.7 10.40 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.551 0.116 0.620 0.260 0.154 0.151 Typ. Max. 4.60 1.32 2.72 Min. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.106 0.409 inch. Typ. Max. 0.181 0.051 0.107
P011C
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Package mechanical data
LD1086xx
DPAK mechanical data
mm. Dim. Min. A A1 A2 B b4 C C2 D D1 E E1 e e1 H L (L1) L2 L4 R V2 2.2 0.9 0.03 0.64 5.2 0.45 0.48 6 5.1 6.4 4.7 2.28 4.4 9.35 1 2.8 0.8 0.6 0.2 0° 8° 0° 1 0.023 0.008 8° 4.6 10.1 0.173 0.368 0.039 0.110 0.031 0.039 6.6 0.252 0.185 0.090 0.181 0.397 Typ. Max. 2.4 1.1 0.23 0.9 5.4 0.6 0.6 6.2 Min. 0.086 0.035 0.001 0.025 0.204 0.017 0.019 0.236 0.200 0.260 Typ. Max. 0.094 0.043 0.009 0.035 0.212 0.023 0.023 0.244 inch.
0068772-F
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LD1086xx
Package mechanical data
Figure 30. Drawing dimension D2PAK (type STD-ST)
0079457/L
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Package mechanical data
LD1086xx
Figure 31. Drawing dimension D2PAK (type WOOSEOK-SUBCON.)
0079457/L 28/39
LD1086xx
Package mechanical data
Table 14.
D2PAK mechanical data
Type STD-ST Type WOOSEOK-SUBCON. mm. Max. 4.60 0.23 0.93 1.70 0.60 1.36 9.35 Min. 4.30 0 0.70 1.17 0.45 1.25 9 7.50 10.40 9.80 7.50 2.54 4.88 15 2.49 2.29 1.27 1.30 0.4 0° 8° 0° 5.28 15.85 2.69 2.79 1.40 1.75 15 2.20 1.79 1 1.20 0.30 3° 2.54 5.08 15.30 15.60 2.60 2.79 1.40 1.60 10.20 0.50 1.30 9.20 Typ. Max. 4.70 0.20 0.90 1.37 0.60 1.40 9.40
Dim. Min. A A1 b b2 c c2 D D1 E E1 e e1 H J1 L L1 L2 R V2 4.40 0.03 0.70 1.14 0.45 1.23 8.95 7.50 10 8.50
mm. Typ.
Note:
The D2PAK package coming from the subcontractor Wooseok is fully compatible with the ST's package suggested footprint.
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Package mechanical data
LD1086xx
Figure 32. D2PAK footprint recommended data
Table 15.
Footprint data
Values mm. A B C D E F G 12.20 9.75 16.90 3.50 1.60 2.54 5.08 inch. 0.480 0.384 0.665 0.138 0.063 0.100 0.200
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LD1086xx
Package mechanical data
Figure 33. Drawing dimension D2PAK/A (type STD-ST)
7106164/E
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Package mechanical data
LD1086xx
Figure 34. Drawing dimension D2PAK/A (type WOOSEOK-Subcon.)
7106164/E 32/39
LD1086xx
Package mechanical data
Table 16.
D2PAK/A mechanical data
Type STD-ST Type WOOSEOK-Subcon. mm. Max. 4.60 0.23 0.93 1.30 1.70 0.60 1.36 9.35 1.17 0.45 1.25 9 7.50 10.40 9.80 7.50 2.54 4.88 15 2.49 2.29 1.27 0.4 0° 8° 0° 5.28 15.85 2.69 2.79 1.40 15 2.20 1.79 1 0.30 3° 2.54 5.08 15.30 15.60 2.60 2.79 1.40 10.20 0.50 1.30 9.20 1.37 0.60 1.40 9.40 Min. 4.30 0 0.70 Typ. Max. 4.70 0.20 0.90
Dim. Min. A A1 b b1 b2 c c2 D D1 E E1 e e1 H J1 L L1 R V2 4.40 0.03 0.70 0.80 1.14 0.45 1.23 8.95 7.50 10 8.50
mm. Typ.
Note:
The D2PAK/A package coming from the subcontractor Wooseok is fully compatible with the ST's package suggested footprint.
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Package mechanical data
LD1086xx
Figure 35. D2PAK/A footprint recommended data
Table 17.
Footprint data
Values mm. A B C D E F G 12.20 9.75 16.90 3.50 1.60 2.54 5.08 inch. 0.480 0.384 0.665 0.138 0.063 0.100 0.200
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LD1086xx
Package mechanical data
Tape & reel DPAK-PPAK mechanical data
mm. Dim. Min. A C D N T Ao Bo Ko Po P 6.80 10.40 2.55 3.9 7.9 6.90 10.50 2.65 4.0 8.0 12.8 20.2 60 22.4 7.00 10.60 2.75 4.1 8.1 0.268 0.409 0.100 0.153 0.311 0.272 0.413 0.104 0.157 0.315 13.0 Typ. Max. 330 13.2 0.504 0.795 2.362 0.882 0.2.76 0.417 0.105 0.161 0.319 0.512 Min. Typ. Max. 12.992 0.519 inch.
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Package mechanical data
LD1086xx
Tape & reel D2PAK-P2PAK-D2PAK/A-P2PAK/A mechanical data
mm. Dim. Min. A C D N T Ao Bo Ko Po P 10.50 15.70 4.80 3.9 11.9 10.6 15.80 4.90 4.0 12.0 12.8 20.2 60 14.4 10.70 15.90 5.00 4.1 12.1 0.413 0.618 0.189 0.153 0.468 0.417 0.622 0.193 0.157 0.472 13.0 Typ. Max. 180 13.2 0.504 0.795 2.362 0.567 0.421 0.626 0.197 0.161 0.476 0.512 Min. Typ. Max. 7.086 0.519 inch.
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LD1086xx
Order codes
8
Table 18.
Order codes
Order codes
Packages TO-220 D2PAK LD1086D2T15R LD1086V18 LD1086V25 LD1086V33 LD1086V36 LD1086D2T50TR LD1086V80 LD1086V12 LD1086V LD1086VY (1) LD1086D2T80TR LD1086D2T12TR LD1086D2TTR LD1086D2MTR LD1086DTTR LD1086DTTRY (1) LD1086DT50TR LD1086DT80TR LD1086D2T18TR LD1086D2T25TR LD1086D2T33TR LD1086D2M33TR D2PAK/A DPAK LD1086DT15R LD1086DT18TR LD1086DT25TR LD1086DT33TR Output voltage 1.5 V 1.8 V 2.5 V 3.3 V 3.6 V 5.0 V 8.0 V 12.0 V ADJ ADJ
1. Automotive Grade products.
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Revision history
LD1086xx
9
Table 19.
Date
Revision history
Document revision history
Revision 11 12 13 14 15 16 17 18 19 20 21 Mistake VO (typ.), table 9 - pag. 6. Mistake order codes - Table 1. Mistake U.M. Load regulation - V ==> mV. Order codes updated and new template. D2PAK mechanical data updated and add footprint data. Order codes updated. Order codes updated. Add note on Figure 2. Modified: Table 18. Added new order codes for Automotive grade products. Modified: Table 18 on page 37. Changes
25-Aug-2004 07-Oct-2004 08-Feb-2005 16-May-2006 19-Jan-2007 05-Apr-2007 07-Jun-2007 19-Jul-2007 03-Dec-2007 31-Jan-2008 18-Feb-2008
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LD1086xx
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