LM2931AT-5.0

Order this document by LM2931/D Low Dropout Voltage Regulators The LM2931 series consists of positive fixed and adjustable output voltage regulators that are specifically designed to maintain proper regulation with an extremely low input–to–output voltage differential. These devices are capable of supplying output currents in excess of 100 mA and feature a low bias current of 0.4 mA at 10 mA output. Designed primarily to survive in the harsh automotive environment, these devices will protect all external load circuitry from input fault conditions caused by reverse battery connection, two battery jump starts, and excessive line transients during load dump. This series also includes internal current limiting, thermal shutdown, and additionally, is able to withstand temporary power–up with mirror–image insertion. Due to the low dropout voltage and bias current specifications, the LM2931 series is ideally suited for battery powered industrial and consumer equipment where an extension of useful battery life is desirable. The ‘C’ suffix adjustable output regulators feature an output inhibit pin which is extremely useful in microprocessor–based systems. • Input–to–Output Voltage Differential of < 0.6 V @ 100 mA LM2931 Series LOW DROPOUT VOLTAGE REGULATORS FIXED OUTPUT VOLTAGE Z SUFFIX PLASTIC PACKAGE CASE 29 1 2 3 Pin 1. Output 2. Ground 3. Input T SUFFIX PLASTIC PACKAGE CASE 221A Heatsink surface connected to Pin 2. Pin 1. Input 2. Ground 3. Output 3 • • • • • • • • • • Output Current in Excess of 100 mA Low Bias Current 60 V Load Dump Protection – 50 V Reverse Transient Protection Internal Current Limiting with Thermal Shutdown Temporary Mirror–Image Protection Ideally Suited for Battery Powered Equipment Economical 5–Lead TO–220 Package with Two Optional Leadforms Available in Surface Mount SOP–8, D2PAK and DPAK Packages High Accuracy (±2%) Reference (LM2931AC) Available 1 2 1 3 1 2 3 DT SUFFIX PLASTIC PACKAGE CASE 369A (DPAK) D2T SUFFIX PLASTIC PACKAGE CASE 936 (D2PAK) DT–1 SUFFIX PLASTIC PACKAGE CASE 369 (DPAK) 1 2 3 Heatsink surface (shown as terminal 4 in case outline drawing) is connected to Pin 2. (See Following Page for Ordering Information.) FIXED N.C. Gnd Input 8 1 5 4 N.C. Gnd Output 8 1 ADJUSTABLE OUTPUT VOLTAGE Pin 1. Adjust 2. Output Inhibit 3. Ground 4. Input 5. Output 1 5 TH SUFFIX PLASTIC PACKAGE CASE 314A (Top View) ADJUSTABLE Output Inhibit Gnd Input 8 1 5 4 D SUFFIX PLASTIC PACKAGE CASE 751 (SOP–8) Adjust Gnd Output TV SUFFIX PLASTIC PACKAGE CASE 314B T SUFFIX PLASTC PACKAGE CASE 314D 1 1 5 5 D2T SUFFIX PLASTIC PACKAGE CASE 936A (D2PAK) Heatsink surface (shown as terminal 6 in case outline drawing) is connected to Pin 3. Rev 4 1 5 (Top View) Heatsink surface connected to Pin 3. © Motorola, Inc. 1997 MOTOROLA ANALOG IC DEVICE DATA 1 LM2931 Series ORDERING INFORMATION Output Device Di LM2931AD–5.0 LM2931ADT–5.0 LM2931ADT–1–5.0 LM2931AD2T–5.0 LM2931AT–5.0 LM2931AZ–5.0 LM2931D–5.0 LM2931D2T–5.0 LM2931DT–5.0 LM2931DT–1–5.0 LM2931T–5.0 LM2931Z–5.0 LM2931CD LM2931CD2T LM2931CT LM2931CTH LM2931CTV LM2931ACD LM2931ACD2T LM2931ACT LM2931ACTH LM2931ACTV Adjustable Adj bl ±2 0% 2.0% Adjustable Adj j bl ±5 0% 5.0% 5.0 V ±3.8% 38 % Voltage Tolerance Case C 751 369A 369 936 221A 29 751 936 369A 369 221A 29 751 936A 314D 314A 314B 751 936A 314D 314A 314B Package Pk SOP–8 Surface Mount Surface Mount DPAK DPAK Surface Mount D2PAK TO–220 Type TO–92 Type SOP–8 Surface Mount Surface Mount D2PAK Surface Mount DPAK DPAK TO–220 Type TO–92 Type SOP–8 Surface Mount Surface Mount D2PAK 5–Pin TO–220 Type 5–Pin Horizontal Leadform 5–Pin Vertical Leadform SOP–8 Surface Mount Surface Mount D2PAK 5–Pin TO–220 Type 5–Pin Horizontal Leadform 5–Pin Vertical Leadform Representative Schematic Diagram Input 6.0 6.0 k 350 500 Output 30 k 30 k * 3.94 k Adjust 3.0 k EPI Bias 30 k 30 k 6.8 V Output Inhibit 50 k 48 k 180 k 184 k 5.8 V 92.8 k * 11.5 k Ground *Deleted on Adjustable Regulators This device contains 26 active transistors. 35 k 10 k 2 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series MAXIMUM RATINGS Rating Input Voltage Continuous Transient Input Voltage (τ ≤ 100 ms) Transient Reverse Polarity Input Voltage 1.0% Duty Cycle, τ ≤ 100 ms Power Dissipation Case 29 (TO–92 Type) TA = 25°C Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Case 221A, 314A, 314B and 314D (TO–220 Type) TA = 25°C Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Case 369 and 369A (DPAK) [Note 1] TA = 25°C Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Case 751 (SOP–8) [Note 2] TA = 25°C Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Case 936 and 936A (D2PAK) [Note 3] TA = 25°C Thermal Resistance, Junction–to–Ambient Thermal Resistance, Junction–to–Case Tested Operating Junction Temperature Range Storage Temperature Range Symbol VI VI(τ) –VI(τ) Value 40 60 – 50– Unit Vdc Vpk Vpk PD RθJA RθJC PD RθJA RθJC PD RθJA RθJC PD RθJA RθJC PD RθJA RθJC TJ Tstg Internally Limited 178 83 Internally Limited 65 5.0 Internally Limited 92 6.0 Internally Limited 160 25 Internally Limited 70 5.0 – 40 to +125 – 65 to +150 W °C/W °C/W W °C/W °C/W W °C/W °C/W W °C/W °C/W W °C/W °C/W °C °C NOTES: 1. DPAK Junction–to–Ambient Thermal Resistance is for vertical mounting. Refer to Figure 24 for board mounted Thermal Resistance. 2. SOP–8 Junction–to–Ambient Thermal Resistance is for minimum recommended pad size. Refer to Figure 23 for Thermal Resistance variation versus pad size. 3. D2PAK Junction–to–Ambient Thermal Resistance is for vertical mounting. Refer to Figure 25 for board mounted Thermal Resistance. 4. ESD data available upon request. ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 10 mA, CO = 100 µF, CO(ESR) = 0.3 Ω, TJ = 25°C [Note 1].) LM2931–5.0 Characteristic Ch ii FIXED OUTPUT Output Voltage Vin = 14 V, IO = 10 mA, TJ = 25°C Vin = 6.0 V to 26 V, IO ≤ 100 mA, TJ = – 40° to +125°C Line Regulation Vin = 9.0 V to 16 V Vin = 6.0 V to 26 V Load Regulation (IO = 5.0 mA to 100 mA) Output Impedance IO = 10 mA, ∆IO = 1.0 mA, f = 100 Hz to 10 kHz Bias Current Vin = 14 V, IO = 100 mA, TJ = 25°C Vin = 6.0 V to 26 V, IO = 10 mA, TJ = – 40° to +125°C Output Noise Voltage (f = 10 Hz to 100 kHz) Long Term Stability VO 4.75 4.50 Regline – – Regload ZO – IB – – Vn S – – 5.8 0.4 700 20 30 1.0 – – – – – – 5.8 0.4 700 20 30 1.0 – – µVrms mV/kHR 200 – – 200 – mA – 2.0 4.0 14 10 30 50 – – – 2.0 4.0 14 10 30 50 mV mΩ 5.0 – 5.25 5.50 4.81 4.75 5.0 – 5.19 5.25 mV V Symbol S bl Min Typ Max Min LM2931A–5.0 Typ Max Unit Ui NOTES: 1. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 2. The reference voltage on the adjustable device is measured from the output to the adjust pin across R1. MOTOROLA ANALOG IC DEVICE DATA 3 LM2931 Series ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 10 mA, CO = 100 µF, CO(ESR) = 0.3 Ω, TJ = 25°C [Note 1].) LM2931–5.0 Ch ii Characteristic FIXED OUTPUT Ripple Rejection (f = 120 Hz) Dropout Voltage IO = 10 mA IO = 100 mA Over–Voltage Shutdown Threshold Output Voltage with Reverse Polarity Input (Vin = –15 V) RR VI–VO – – Vth(OV) –VO 26 – 0.3 0.015 0.16 29.5 0 0.2 0.6 40 – – – 26 – 0.3 0.015 0.16 29.5 0 0.2 0.6 40 – V V 60 90 – 60 90 – dB V S bl Symbol Min Typ Max Min LM2931A–5.0 Typ Max Ui Unit ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 10 mA, CO = 100 µF, CO(ESR) = 0.3 Ω, TJ = 25°C [Note 1].) LM2931C Characteristic ADJUSTABLE OUTPUT Reference Voltage (Note 2, Figure 18) IO = 10 mA, TJ = 25°C IO ≤ 100 mA, TJ = – 40 to +125°C Output Voltage Range Line Regulation (Vin = VO + 0.6 V to 26 V) Load Regulation (IO = 5.0 mA to 100 mA) Output Impedance IO = 10 mA, ∆IO = 1.0 mA, f = 10 Hz to 10 kHz Bias Current IO = 100 mA IO = 10 mA Output Inhibited (Vth(OI) = 2.5 V) Adjustment Pin Current Output Noise Voltage (f = 10 Hz to 100 kHz) Long–Term Stability Ripple Rejection (f = 120 Hz) Dropout Voltage IO = 10 mA IO = 100 mA Over–Voltage Shutdown Threshold Output Voltage with Reverse Polarity Input (Vin = –15 V) Output Inhibit Threshold Voltages Output “On”: TJ = 25°C TJ = – 40° to +125°C Output “Off”: TJ = 25°C TJ = – 40° to +125°C Output Inhibit Threshold Current (Vth(OI) = 2.5 V) Vref 1.14 1.08 VOrange Regline Regload ZO – IB – – – IAdj Vn S RR VI–VO – – Vth(OV) –VO Vth(OI) – – 2.50 3.25 Ith(OI) – 2.15 – 2.26 – 30 1.90 1.20 – – 50 – – 2.50 3.25 – 2.15 – 2.26 – 30 1.90 1.20 – – 50 µA 26 – 0.3 0.015 0.16 29.5 0 0.2 0.6 40 – – – 26 –0.3 0.015 0.16 29.5 0 0.2 0.6 40 – V V V – – – 0.10 6.0 0.4 0.2 0.2 140 0.4 0.003 – 1.0 1.0 – – – – – – – – – – 0.10 6.0 0.4 0.2 0.2 140 0.4 0.003 – 1.0 1.0 – – – – µA µVrms/V %/kHR %/V V 40 – – 40 – mA 3.0 to 24 – – 1.20 – 2.7 to 29.5 0.2 0.3 1.26 1.32 – 1.5 1.0 1.17 1.15 3.0 to 24 – – 1.20 – 2.7 to 29.5 0.2 0.3 1.23 1.25 – 1.5 1.0 V mV/V %/V mΩ/V V Symbol Min Typ Max Min LM2931AC Typ Typ Unit NOTES: 1. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 2. The reference voltage on the adjustable device is measured from the output to the adjust pin across R1. 4 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series Figure 1. Dropout Voltage versus Output Current 200 Vin –VO , DROPOUT VOLTAGE (mV) Vin –VO , DROPOUT VOLTAGE (mV) 160 120 80 40 0 Vin = 14 V ∆Vout = 100 mV TJ = 25°C 300 Vin = 14 V ∆Vout = 100 mV 200 Figure 2. Dropout Voltage versus Junction Temperature IO = 100 mA 100 IO = 50 mA IO = 10 mA 0 0 25 50 75 100 125 0 20 40 60 IO, OUTPUT CURRENT (mA) 80 100 TJ, JUNCTION TEMPERATURE (°C) Figure 3. Peak Output Current versus Input Voltage 350 I O , OUTPUT CURRENT (mA) TJ = –40°C 250 TJ = 85°C 6.0 5.0 4.0 3.0 2.0 1.0 0 Figure 4. Output Voltage versus Input Voltage TJ = 25°C 150 Dashed lines below Vin = 5.0 V are for Adjustable output devices only. 50 0 5.0 10 15 20 Vin, INPUT VOLTAGE (V) 25 30 VO , OUTPUT VOLTAGE (V) Vout = 5.0 V TA = 25°C RL = 50 Ω IO = 100 mA 0 1.0 2.0 3.0 4.0 Vin, INPUT VOLTAGE (V) 5.0 6.0 Figure 5. Output Voltage versus Input Voltage Vin , INPUT VOLTAGE (10 V/DIV) 6.0 VO , OUTPUT VOLTAGE (V) 5.0 4.0 3.0 2.0 1.0 0 –20 Vout = 5.0 V RL = 500 Ω TA = 25°C –10 0 10 20 30 Vin, INPUT VOLTAGE (V) 40 50 60 VCC = 15 V VFB1 = 5.05 V Figure 6. Load Dump Characteristics Vout = 5.0 V RL = 50 Ω CO = 100 µF τ = 150 ms TA = 25°C VO, OUTPUT VOLTAGE (5.0 V/DIV) 0 0 t, TIME (50 ms/DIV) MOTOROLA ANALOG IC DEVICE DATA 5 LM2931 Series Figure 7. Bias Current versus Input Voltage 12 10 8.0 6.0 4.0 2.0 0 –20 RL = 100 Ω RL = 500 Ω 0 –10 0 10 20 30 Vin, INPUT VOLTAGE (V) 40 50 60 0 20 40 60 80 100 RL = 50 Ω Vout = 5.0 V TJ = 25°C 8.0 Figure 8. Bias Current versus Output Current IB , BIAS CURRENT (mA) IB , BIAS CURRENT (mA) 6.0 Vin = 14 V Vout = 5.0 V TJ = 25°C 4.0 2.0 IO, OUTPUT CURRENT (mA) Figure 9. Bias Current versus Junction Temperature 8.0 IO , OUTPUT IMPEDANCE (Ω ) Vin = 14 V Vout = 5.0 V IB , BIAS CURRENT (mA) 6.0 IO = 100 mA 2.0 1.6 1.2 0.8 0.4 0 –25 0 25 50 75 TJ, JUNCTION TEMPERATURE (°C) 100 125 Figure 10. Output Impedance versus Frequency Vin = 14 V Vout = 5.0 V IO = 10 mA DIO = 1.0 mA CO = 100 µF TJ = 25°C CO(ESR) = 0.15 Ω Tantulum 4.0 IO = 50 mA IO = 0 mA 0 –55 2.0 CO(ESR) = 0.3 Ω Electrolytic 10 100 1.0 k 10 k 100 k f, FREQUENCY (Hz) 1.0 M 10 M Figure 11. Ripple Rejection versus Frequency 95 RR, RIPPLE REJECTION RATIO (dB) RR, RIPPLE REJECTION RATIO (dB) Figure 12. Ripple Rejection versus Output Current 95 85 Vin = 14 V Vout = 5.0 V DVin = 100 mV RL = 500 Ω CO = 100 µF TJ = 25°C CO(ESR) = 0.15 Ω Tantulum 85 75 75 65 CO(ESR) = 0.3 Ω Electrolytic 1.0 k 10 k 100 k 1.0 M 10 M Vin = 14 V Vout = 5.0 V f = 120 Hz TJ = 25°C 55 10 100 f, FREQUENCY (Hz) 65 0 20 40 60 IO, OUTPUT CURRENT (mA) 80 100 6 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series OUTPUT VOLTAGE DEVIATION, ∆ VO , (2.0 mV/DIV) OUTPUT CURRENT, OUTPUT VOLTAGE DEVIATION, I out (mA) ∆ VO , (2.0 mV/DIV) Figure 13. Line Regulation Figure 14. Load Regulation 18.5 INPUT VOLTAGE, V in, (V) Vout = 5.0 V RL = 500 Ω CO = 100 µF CO(ESR) = 0.3 Ω TA = 25°C Vin = 14 V Vout = 5.0 V Cin = 1000 µF 100 CO = 100 µF CO(ESR) = 0.3 Ω TA = 25°C 14 t, TIME (10 µs/DIV) 0 t, TIME (10 µs/DIV) Figure 15. Reference Voltage versus Output Voltage 1.240 Vref, REFERENCE VOLTAGE (V) LM2931C Adjustable IO = 10 mA Vin = Vout + 1.0 V TA = 25°C V th(on/off) , OUTPUT INHIBIT-THRESHOLDS (V) 2.6 2.5 2.4 2.3 2.2 2.1 2.0 Figure 16. Output Inhibit–Thresholds versus Output Voltage LM2931C Adjustable IO = 10 mA Vin = Vout + 1.0 V TA = 25°C 1.220 Output “Off” 1.200 1.180 Output “On” 1.160 0 3.0 6.0 9.0 12 15 18 21 24 VO, OUTPUT VOLTAGE (V) 0 3.0 6.0 9.0 12 15 18 VO, OUTPUT VOLTAGE (V) 21 24 APPLICATIONS INFORMATION The LM2931 series regulators are designed with many protection features making them essentially blow–out proof. These features include internal current limiting, thermal shutdown, overvoltage and reverse polarity input protection, and the capability to withstand temporary power–up with mirror–image insertion. Typical application circuits for the fixed and adjustable output device are shown in Figures 17 and 18. The input bypass capacitor Cin is recommended if the regulator is located an appreciable distance (≥ 4″) from the supply input filter. This will reduce the circuit’s sensitivity to the input line impedance at high frequencies. This regulator series is not internally compensated and thus requires an external output capacitor for stability. The capacitance value required is dependent upon the load current, output voltage for the adjustable regulator, and the type of capacitor selected. The least stable condition is encountered at maximum load current and minimum output voltage. Figure 22 shows that for operation in the “Stable” region, under the conditions specified, the magnitude of the output capacitor impedance |ZO| must not exceed 0.4 Ω. This limit must be observed over the entire operating temperature range of the regulator circuit. With economical electrolytic capacitors, cold temperature operation can pose a serious stability problem. As the electrolyte freezes, around – 30°C, the capacitance will decrease and the equivalent series resistance (ESR) will increase drastically, causing the circuit to oscillate. Quality electrolytic capacitors with extended temperature ranges of – 40° to +85°C and – 55° to +105°C are readily available. Solid tantalum capacitors may be a better choice if small size is a requirement, however, the maximum ZO limit over temperature must be observed. Note that in the stable region, the output noise voltage is linearly proportional to ZO. In effect, CO dictates the high frequency roll–off point of the circuit. Operation in the area titled “Marginally Stable” will cause the output of the regulator to exhibit random bursts of oscillation that decay in an under–damped fashion. Continuous oscillation occurs when operating in the area titled “Unstable”. It is suggested that oven testing of the entire circuit be performed with maximum load, minimum input voltage, and minimum ambient temperature. MOTOROLA ANALOG IC DEVICE DATA 7 LM2931 Series Figure 17. Fixed Output Regulator Input Vin Cin 0.1 LM2931–5.0 Fixed Output IB Gnd Output Vout CO Vin 51 k Cin 0.1 2 1 IB Gnd Output Inhibit Figure 18. Adjustable Output Regulator Input LM2931C Adjustable Output Output Vout R1 Adjust CO IAdj R2 Switch Position 1 = Output “On”, 2 = Output “Off” V out + Vref 1 ) R2 ) IAdj R2 R 1 22.5 k w R R1)R2R 1 2 Figure 19. (5.0 A) Low Differential Voltage Regulator Input ≥ 6.0 V 68 R 5.0 V @ 5.0 A LM2931–5.0 + 100 100 + Output D45VH7 Input R Figure 20. Current Boost Regulator with Short Circuit Projection RSC Output LM2931–5.0 + 100 100 + The LM2931 series can be current boosted with a PNP transistor. The D45VH7, on a heatsink, will provide an output current of 5.0 A with an input to output voltage differential of approximately 1.0 V. Resistor R in conjunction with the VBE of the PNP determines when the pass transistor begins conducting. This circuit is not short circuit proof. The circuit of Figure 19 can be modified to provide supply protection against short circuits by adding the current sense resistor RSC and an additional PNP transistor. The current sensing PNP must be capable of handling the short circuit current of the LM2931. Safe operating area of both transistors must be considered under worst case conditions. Figure 21. Constant Intensity Lamp Flasher 100 Figure 22. Output Noise Voltage versus Output Capacitor Impedance Vn , OUTPUT NOISE VOLTAGE (mVrms) Vin = 5.6 V Vout = 5.0 V IO = 100 mA Vnrms 10 Hz to 10 MHz |ZO| @ 40 kHz TA = 25°C Input 6.4 V to 30 V LM2931C 2.0 k 100 8.2 k + Unstable Marginally Stable 10 CM #345 + 100 33 k 1.0 0.1 Stable 6.2 V 0 fosc = 2.2 Hz 0.01 10 100 1.0 k |ZO|, MAGNITUDE OF CAPACITOR IMPEDANCE (mΩ) 10 k 8 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series Figure 23. SOP–8 Thermal Resistance and Maximum Power Dissipation versus P.C.B. Copper Length PD, MAXIMUM POWER DISSIPATION (W) PD, MAXIMUM POWER DISSIPATION (W) PD, MAXIMUM POWER DISSIPATION (W) 170 R θ JA, THERMAL RESISTANCE JUNCTION–TO–AIR (°C/W) 150 130 110 90 70 50 30 0 10 RθJA 20 Graph represents symmetrical layout L PD(max) for TA = 50°C 3.2 2.8 2.4 2.0 1.6 1.2 0.8 0.4 L, LENGTH OF COPPER (mm) Figure 24. DPAK Thermal Resistance and Maximum Power Dissipation versus P.C.B. Copper Length 100 R θ JA, THERMAL RESISTANCE JUNCTION–TO–AIR (°C/W) 90 80 70 60 50 RθJA 40 0 5.0 10 15 20 25 30 L, LENGTH OF COPPER (mm) Minimum Size Pad Free Air Mounted Vertically PD(max) for TA = 50°C 2.0 oz. Copper L 2.4 2.0 1.6 1.2 0.8 0.4 0 Figure 25. 3–Pin and 5–Pin D2PAK Thermal Resistance and Maximum Power Dissipation versus P.C.B. Copper Length 80 R θ JA, THERMAL RESISTANCE PD(max) for TA = 50°C 70 60 50 40 RθJA 30 0 5.0 10 15 20 Free Air Mounted Vertically Minimum Size Pad 3.0 2.0 oz. Copper L 2.5 2.0 1.5 1.0 JUNCTION–TO–AIR (°C/W) 3.5 L, LENGTH OF COPPER (mm) MOTOROLA ANALOG IC DEVICE DATA ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎÎ ÎÎÎ ÎÎÎ ÎÎÎ Î ÎÎÎÎÎÎÎ Î ÎÎÎ 2.0 oz. Copper L 3.0 mm 30 40 50 L L 25 30 9 LM2931 Series DEFINITIONS Dropout Voltage – The input/output voltage differential at which the regulator output no longer maintains regulation against further reductions in input voltage. Measured when the output decreases 100 mV from nominal value at 14 V input, dropout voltage is affected by junction temperature and load current. Line Regulation – The change in output voltage for a change in the input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that the average chip temperature is not significantly affected. Load Regulation – The change in output voltage for a change in load current at constant chip temperature. Maximum Power Dissipation – The maximum total device dissipation for which the regulator will operate within specifications. Bias Current – That part of the input current that is not delivered to the load. Output Noise Voltage – The rms AC voltage at the output, with constant load and no input ripple, measured over a specified frequency range. Long–Term Stabliity – Output voltage stability under accelerated life test conditions with the maximum rated voltage listed in the devices electrical characteristics and maximum power dissipation. 10 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series OUTLINE DIMENSIONS Z SUFFIX PLASTIC PACKAGE CASE 29–04 (TO–92 Type) ISSUE AD A R P SEATING PLANE B F L K NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. CONTOUR OF PACKAGE BEYOND DIMENSION R IS UNCONTROLLED. 4. DIMENSION F APPLIES BETWEEN P AND L. DIMENSION D AND J APPLY BETWEEN L AND K MINIMUM. LEAD DIMENSION IS UNCONTROLLED IN P AND BEYOND DIMENSION K MINIMUM. INCHES MIN MAX 0.175 0.205 0.170 0.210 0.125 0.165 0.016 0.022 0.016 0.019 0.045 0.055 0.095 0.105 0.015 0.020 – 0.500 – 0.250 0.080 0.105 0.100 – – 0.115 – 0.135 MILLIMETERS MIN MAX 5.20 4.45 5.33 4.32 4.19 3.18 0.55 0.41 0.48 0.41 1.39 1.15 2.66 2.42 0.50 0.39 – 12.70 – 6.35 2.66 2.04 2.54 – – 2.93 – 3.43 X X G H V 1 D J C N SECTION X–X N DIM A B C D F G H J K L N P R V T SUFFIX PLASTIC PACKAGE CASE 221A–06 (TO–220 Type) ISSUE Y –T– B F T 4 SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIM Z DEFINES A ZONE WHERE ALL BODY AND LEAD IRREGULARITIES ARE ALLOWED. INCHES MIN MAX 0.570 0.620 0.380 0.405 0.160 0.190 0.025 0.035 0.142 0.147 0.095 0.105 0.110 0.155 0.018 0.025 0.500 0.562 0.045 0.060 0.190 0.210 0.100 0.120 0.080 0.110 0.045 0.055 0.235 0.255 0.000 0.050 – 0.045 0.080 – MILLIMETERS MIN MAX 14.48 15.75 9.66 10.28 4.82 4.07 0.88 0.64 3.73 3.61 2.66 2.42 3.93 2.80 0.64 0.46 12.70 14.27 1.52 1.15 5.33 4.83 3.04 2.54 2.79 2.04 1.39 1.15 6.47 5.97 1.27 0.00 – 1.15 2.04 – C S Q 123 A U K H Z L V G D N J R DIM A B C D F G H J K L N Q R S T U V Z MOTOROLA ANALOG IC DEVICE DATA 11 LM2931 Series OUTLINE DIMENSIONS TH SUFFIX PLASTIC PACKAGE CASE 314A–03 (TO–220 Type) ISSUE D –P– B Q OPTIONAL CHAMFER –T– C E SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION D DOES NOT INCLUDE INTERCONNECT BAR (DAMBAR) PROTRUSION. DIMENSION D INCLUDING PROTRUSION SHALL NOT EXCEED 0.043 (1.092) MAXIMUM. INCHES MIN MAX 0.572 0.613 0.390 0.415 0.170 0.180 0.025 0.038 0.048 0.055 0.570 0.585 0.067 BSC 0.015 0.025 0.730 0.745 0.320 0.365 0.140 0.153 0.210 0.260 0.468 0.505 MILLIMETERS MIN MAX 14.529 15.570 9.906 10.541 4.318 4.572 0.635 0.965 1.219 1.397 14.478 14.859 1.702 BSC 0.381 0.635 18.542 18.923 8.128 9.271 3.556 3.886 5.334 6.604 11.888 12.827 U 12345 A L F K G D 5 PL 0.014 (0.356) M T P M J 5 PL S DIM A B C D E F G J K L Q S U TV SUFFIX PLASTIC PACKAGE CASE 314B–05 (TO–220 Type) ISSUE J B –P– C E NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION D DOES NOT INCLUDE INTERCONNECT BAR (DAMBAR) PROTRUSION. DIMENSION D INCLUDING PROTRUSION SHALL NOT EXCEED 0.043 (1.092) MAXIMUM. Q U K F 12345 A S L W V DIM A B C D E F G H J K L N Q S U V W G D 5 PL 0.10 (0.254) M 0.24 (0.610) J 5 PL MT N H TP M –T– SEATING PLANE INCHES MIN MAX 0.572 0.613 0.390 0.415 0.170 0.180 0.025 0.038 0.048 0.055 0.850 0.935 0.067 BSC 0.166 BSC 0.015 0.025 0.900 1.100 0.320 0.365 0.320 BSC 0.140 0.153 – 0.620 0.468 0.505 – 0.735 0.090 0.110 MILLIMETERS MIN MAX 14.529 15.570 9.906 10.541 4.318 4.572 0.635 0.965 1.219 1.397 21.590 23.749 1.702 BSC 4.216 BSC 0.381 0.635 22.860 27.940 8.128 9.271 8.128 BSC 3.556 3.886 – 15.748 11.888 12.827 – 18.669 2.286 2.794 12 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series OUTLINE DIMENSIONS T SUFFIX PLASTIC PACKAGE CASE 314D–03 (TO–220 Type) ISSUE D –T– –Q– B U A L 12345 SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION D DOES NOT INCLUDE INTERCONNECT BAR (DAMBAR) PROTRUSION. DIMENSION D INCLUDING PROTRUSION SHALL NOT EXCEED 10.92 (0.043) MAXIMUM. DIM A B C D E G H J K L Q U S INCHES MIN MAX 0.572 0.613 0.390 0.415 0.170 0.180 0.025 0.038 0.048 0.055 0.067 BSC 0.087 0.112 0.015 0.025 1.020 1.065 0.320 0.365 0.140 0.153 0.105 0.117 0.543 0.582 MILLIMETERS MIN MAX 14.529 15.570 9.906 10.541 4.572 4.318 0.965 0.635 1.397 1.219 1.702 BSC 2.845 2.210 0.635 0.381 25.908 27.051 9.271 8.128 3.886 3.556 2.972 2.667 13.792 14.783 C E K S G D 5 PL 0.356 (0.014) M J H M TQ DT–1 SUFFIX PLASTIC PACKAGE CASE 369–07 (DPAK) ISSUE L B V R 4 C E NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D E F G H J K R S V INCHES MIN MAX 0.235 0.250 0.250 0.265 0.086 0.094 0.027 0.035 0.033 0.040 0.037 0.047 0.090 BSC 0.034 0.040 0.018 0.023 0.350 0.380 0.175 0.215 0.050 0.090 0.030 0.050 MILLIMETERS MIN MAX 5.97 6.35 6.35 6.73 2.19 2.38 0.69 0.88 0.84 1.01 0.94 1.19 2.29 BSC 0.87 1.01 0.46 0.58 8.89 9.65 4.45 5.46 1.27 2.28 0.77 1.27 A 1 2 3 S –T– SEATING PLANE K F D G 3 PL M J H 0.13 (0.005) T MOTOROLA ANALOG IC DEVICE DATA 13 LM2931 Series OUTLINE DIMENSIONS DT SUFFIX PLASTIC PACKAGE CASE 369A–13 (DPAK) ISSUE Y –T– B V R 4 SEATING PLANE C E DIM A B C D E F G H J K L R S U V Z INCHES MIN MAX 0.235 0.250 0.250 0.265 0.086 0.094 0.027 0.035 0.033 0.040 0.037 0.047 0.180 BSC 0.034 0.040 0.018 0.023 0.102 0.114 0.090 BSC 0.175 0.215 0.020 0.050 0.020 ––– 0.030 0.050 0.138 ––– MILLIMETERS MIN MAX 5.97 6.35 6.35 6.73 2.19 2.38 0.69 0.88 0.84 1.01 0.94 1.19 4.58 BSC 0.87 1.01 0.46 0.58 2.60 2.89 2.29 BSC 4.45 5.46 0.51 1.27 0.51 ––– 0.77 1.27 3.51 ––– S 1 2 3 A K F L D G 2 PL Z U J H 0.13 (0.005) T M D SUFFIX PLASTIC PACKAGE CASE 751–05 (SOP–8) ISSUE S A 8 D 5 C E 1 4 H 0.25 M B M h B C e A SEATING PLANE X 45 _ NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. DIMENSIONS ARE IN MILLIMETERS. 3. DIMENSION D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE MOLD PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A A1 B C D E e H h L MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.18 0.25 4.80 5.00 3.80 4.00 1.27 BSC 5.80 6.20 0.25 0.50 0.40 1.25 0_ 7_ q L 0.10 A1 0.25 B M CB S A S q 14 MOTOROLA ANALOG IC DEVICE DATA LM2931 Series OUTLINE DIMENSIONS D2T SUFFIX PLASTIC PACKAGE CASE 936–03 (D2PAK) ISSUE B TERMINAL 4 –T– E K B H F 1 2 3 DIM A B C D E F G H J K L M N P R S U V INCHES MIN MAX 0.386 0.403 0.356 0.368 0.170 0.180 0.026 0.036 0.045 0.055 0.051 REF 0.100 BSC 0.539 0.579 0.125 MAX 0.050 REF 0.000 0.010 0.088 0.102 0.018 0.026 0.058 0.078 5 _ REF 0.116 REF 0.200 MIN 0.250 MIN MILLIMETERS MIN MAX 9.804 10.236 9.042 9.347 4.318 4.572 0.660 0.914 1.143 1.397 1.295 REF 2.540 BSC 13.691 14.707 3.175 MAX 1.270 REF 0.000 0.254 2.235 2.591 0.457 0.660 1.473 1.981 5 _ REF 2.946 REF 5.080 MIN 6.350 MIN NOTES: 1 DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2 CONTROLLING DIMENSION: INCH. 3 TAB CONTOUR OPTIONAL WITHIN DIMENSIONS A AND K. 4 DIMENSIONS U AND V ESTABLISH A MINIMUM MOUNTING SURFACE FOR TERMINAL 4. 5 DIMENSIONS A AND B DO NOT INCLUDE MOLD FLASH OR GATE PROTRUSIONS. MOLD FLASH AND GATE PROTRUSIONS NOT TO EXCEED 0.025 (0.635) MAXIMUM. A U S V M J D 0.010 (0.254) M T G N R L P C D2T SUFFIX PLASTIC PACKAGE CASE 936A–02 (D2PAK) ISSUE A –T– A E S V H 1 2 3 4 5 TERMINAL 6 NOTES: 6 DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 7 CONTROLLING DIMENSION: INCH. 8 TAB CONTOUR OPTIONAL WITHIN DIMENSIONS A AND K. 9 DIMENSIONS U AND V ESTABLISH A MINIMUM MOUNTING SURFACE FOR TERMINAL 6. 10 DIMENSIONS A AND B DO NOT INCLUDE MOLD FLASH OR GATE PROTRUSIONS. MOLD FLASH AND GATE PROTRUSIONS NOT TO EXCEED 0.025 (0.635) MAXIMUM. INCHES MIN MAX 0.386 0.403 0.356 0.368 0.170 0.180 0.026 0.036 0.045 0.055 0.067 BSC 0.539 0.579 0.050 REF 0.000 0.010 0.088 0.102 0.018 0.026 0.058 0.078 5 _ REF 0.116 REF 0.200 MIN 0.250 MIN MILLIMETERS MIN MAX 9.804 10.236 9.042 9.347 4.318 4.572 0.660 0.914 1.143 1.397 1.702 BSC 13.691 14.707 1.270 REF 0.000 0.254 2.235 2.591 0.457 0.660 1.473 1.981 5 _ REF 2.946 REF 5.080 MIN 6.350 MIN U K B M L P D 0.010 (0.254) M T G N R C DIM A B C D E G H K L M N P R S U V MOTOROLA ANALOG IC DEVICE DATA 15 LM2931 Series Motorola reserves the right to make changes without further notice to any products herein. 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Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303–675–2140 or 1–800–441–2447 JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4–32–1, Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan. 81–3–5487–8488 Mfax™: RMFAX0@email.sps.mot.com – TOUCHTONE 602–244–6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, – US & Canada ONLY 1–800–774–1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 INTERNET: http://motorola.com/sps 16 ◊ LM2931/D MOTOROLA ANALOG IC DEVICE DATA