UNISONIC TECHNOLOGIES CO., LTD 78TXXA
3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
1
LINEAR INTEGRATED CIRCUIT
DESCRIPTION
The UTC 78TXXA family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A.
TO-263
FEATURES
* Peak Output Current Up To 1 A * Fixed Output Voltage Of 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V and 24V Available * Thermal Overload Shutdown Protection * Short Circuit Current Limiting * Output Transistor SOA Protection
1
TO-263-3
ORDERING INFORMATION
Normal 78TXXA-TQ2-R 78TXXA-TQ2-T 78TXXA-TQ3-R Ordering Number Lead Free 78TXXAL-TQ2-R 78TXXAL-TQ2-T 78TXXAL-TQ3-R Halogen Free 78TXXAG-TQ2-R 78TXXAG-TQ2-T 78TXXAG-TQ3-R Package TO-263 TO-263 TO-263-3 TO-263-3 Pin Assignment 1 2 3 I G O I G O I G O I G O Packing Tape Reel Tube Tape Reel Tube
78TXXA-TQ3-T 78TXXAL-TQ3-T 78TXXAG-TQ3-T Note: Pin Code: I: Input G: GND O: Output
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1 of 7
QW-R101-011.I
78TXXA
MARKING INFORMATION
PACKAGE VOLTAGE CODE 05 :5.0V 06 :6.0V 07 :7.0V 08 :8.0V 09 :9.0V 10 :10V 12 :12V 15 :15V 18 :18V 24 :24V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-263 TO-263-3
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2 of 7
QW-R101-012.I
78TXXA
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
INPUT
1
R13 T10 R17 T8 R9 T9 Z2 T12 T14 R19 R18 R12 R11 R10
R14 T11 T5 T6
T13
OUTPUT
3
R8 R15 T4 Z1 T15 R5
R4 R6
T7 R1 R2 C1 T3 T1 T2 R3 R7
R16
GND
2
APPLICATION CIRCUIT
VIN
1
UTC 78TXXA 2
3
VOUT
CI 0.33 μF
CO 0.1 μF
Note 1: To specify an output voltage, substitute voltage value for "XX". 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators.
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www.unisonic.com.tw
3 of 7
QW-R101-012.I
78TXXA
PARAMETER VOUT=5~18V VOUT=24V
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
SYMBOL RATING UNIT VIN 35 V Input Voltage VIN 40 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Junction Temperature TJ +125 °С Operating Junction Temperature TOPR -40~ +85 °С Storage Temperature TSTG -40~ +150 °С Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (TJ= 0°С-125°С,CI =0.33uF,CO=0.1uF,unless otherwise specified) (Note 1)
FOR 78T05A (VIN=10V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change VOUT ΔVOUT ΔVOUT IQ ΔI Q TEST CONDITIONS TJ=25°C, IOUT=5mA - 1.0A VIN=7.5V~20V,IOUT=5mA-1.0A, PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=7V~25V, TJ=25°C VIN=7.5V~20V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=7.5V~20V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=8V-18V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=8.5V~21V,IOUT=5mA-1.0A, PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=8V~25V, TJ=25°C VIN=8.5V~21V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=8.5V~21V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=9V-19V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C MIN 4.80 4.75 TYP 5.0 MAX 5.20 5.25 50 25 50 50 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V
Output Noise Voltage eN Temperature coefficient of Vo ΔVo/ΔT Ripple Rejection RR Peak Output Current IPEAK Short-Circuit Current ISC Dropout Voltage VD FOR 78T06A (VIN=11V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT ΔVOUT ΔVOUT IQ ΔI Q eN ΔVo/ΔT RR IPEAK ISC VD
62
40 -0.6 80 1.8 250 2.0 TYP 6.0 MAX 6.24 6.30 60 30 60 60 8.0 1.0 0.5
MIN 5.76 5.70
59
45 -0.7 75 1.8 250 2.0
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4 of 7
QW-R101-012.I
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T07A (VIN=13V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change VOUT ΔVOUT ΔVOUT IQ ΔI Q
LINEAR INTEGRATED CIRCUIT
Output Noise Voltage eN Temperature coefficient of Vo ΔVo/ΔT Ripple Rejection RR Peak Output Current IPEAK Short-Circuit Current ISC Dropout Voltage VD FOR 78T08A (VIN=14V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT ΔVOUT ΔVOUT IQ ΔI Q eN ΔVo/ΔT RR IPEAK ISC VD
TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=9.5V~22V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=9V~25V, TJ=25°C VIN=9.5V~22V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=9.5V~22V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=10V-20V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=10.5V~23V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=10.5V~25V, TJ=25°C VIN=10.5V~23V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=10.5V~23V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=11.5V~21.5V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C TEST CONDITIONS TJ=25°C, IOUT=5mA - 1.0A VIN=11.5V~24V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=11.5V~25 V, TJ=25°C VIN=11.5V~24V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=11.5V~24V IOUT=5mA–1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=12.5V~22.5V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C
MIN 6.72 6.65
TYP 7.0
MAX 7.28 7.35 70 35 70 70 8.0 1.0 0.5
59
50 -0.8 75 1.7 250 2.0 TYP 8.0 MAX 8.32 8.40 80 40 80 80 8.0 1.0 0.5
UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V 5 of 7
MIN 7.68 7.60
56
58 -0.9 72 1.8 250 2.0 TYP 9.0 MAX 9.36 9.45 90 45 90 90 8.0 1.0 0.5
FOR 78T09A (VIN=15V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT ΔVOUT ΔVOUT IQ ΔI Q eN ΔVo/ΔT RR IPEAK ISC VD
MIN 8.64 8.55
56
58 -1.1 72 1.8 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-012.I
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T10A (VIN=16V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change VOUT ΔVOUT ΔVOUT IQ ΔI Q
LINEAR INTEGRATED CIRCUIT
Output Noise Voltage eN Temperature coefficient of Vo ΔVo/ΔT Ripple Rejection RR Peak Output Current IPEAK Short-Circuit Current ISC Dropout Voltage VD FOR 78T12A (VIN=19V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT ΔVOUT ΔVOUT IQ ΔI Q eN ΔVo/ΔT RR IPEAK ISC VD
TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=12.5V~25V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=13V~25V, TJ=25°C VIN=13V~25V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=12.6V~25V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=13V-23V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=14.5V~27V,IOUT=5mA-1.0A,PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=14.5V~30V, TJ=25°C VIN=14.6V~27V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=14.5V~30V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=15V-25V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C
MIN 9.60 9.50
TYP 10.0
56
58 -1.1 72 1.8 250 2.0 TYP 12.0
MAX UNIT 10.40 V 10.50 V 100 mV 50 mV 100 mV 100 mV 8.0 mA 1.0 mA 0.5 mA μV mV/°C dB A mA V MAX UNIT 12.48 V 12.60 V 120 mV 60 mV 120 mV 120 mV 8.0 mA 1.0 mA 0.5 mA μV mV/°C dB A mA V MAX 15.60 15.75 150 75 150 150 8.0 1.0 0.5 UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V 6 of 7
QW-R101-012.I
MIN 11.52 11.40
55
75 -1.5 72 1.8 250 2.0 TYP 15.0
FOR 78T15A (VIN=23V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage VOUT ΔVOUT ΔVOUT IQ ΔI Q eN ΔVo/ΔT RR IPEAK ISC VD
TEST CONDITIONS MIN TJ=25°C, IOUT=5mA-1.0A 14.40 VIN=17.5V~30V,IOUT=5mA-1.0A,PD≦15W 14.25 TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=18.5V~30V, TJ=25°C VIN=17.7V~30V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=17.5V~30V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=18.5V~28.5V, f=120Hz, TJ=25°C 54 TJ=25°C VIN=35V, TJ=25°C TJ=25°C
90 -1.8 70 1.8 250 2.0
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T18A (VIN=27V, IOUT=0.5A) PARAMETER SYMBOL Output Voltage Load Regulation Line regulation Quiescent Current Quiescent Current Change VOUT ΔVOUT ΔVOUT IQ ΔI Q
LINEAR INTEGRATED CIRCUIT
Output Noise Voltage eN Temperature coefficient of Vo ΔVo/ΔT Ripple Rejection RR Peak Output Current IPEAK Short-Circuit Current ISC Dropout Voltage VD FOR 78T24A (VIN=33V, IOUT=0.5A) PARAMETER SYMBOL
TEST CONDITIONS TJ=25°C, IOUT=5mA-1.0A VIN=21V~33V, IOUT=5mA-1.0A, PD≦15W TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=21V~33V, TJ=25°C VIN=21V~33V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=21.5V~33V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=22V-32V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C
MIN 17.28 17.10
TYP 18.0
MAX 18.72 18.90 180 90 180 180 8.0 1.0 0.5
53
110 -2.2 69 1.8 250 2.0
UNIT V V mV mV mV mV mA mA mA μV mV/°C dB A mA V
TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 23.04 24.0 24.96 V Output Voltage VOUT 25.20 V VIN=27V~38V, IOUT=5mA-1.0A, PD≦15W 22.80 TJ=25°C, IOUT=5mA-1.0A 240 mV Load Regulation ΔVOUT 120 mV TJ=25°C, IOUT=0.25A-0.75A VIN=27V~38V, TJ=25°C 240 mV Line regulation ΔVOUT 240 mV VIN=27V~38V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=28V~38V 1.0 mA Quiescent Current Change ΔI Q IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 170 μV Temperature coefficient of Vo ΔVo/ΔT IOUT=5mA -2.8 mV/°C Ripple Rejection RR VIN=28V-38V, f=120Hz, TJ=25°C 50 66 dB Peak Output Current IPEAK TJ=25°C 1.8 A Short-Circuit Current ISC VIN=35V, TJ=25°C 250 mA Dropout Voltage VD TJ=25°C 2.0 V Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation