UNISONIC TECHNOLOGIES CO., LTD 78TXXA
3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
1
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.
LINEAR INTEGRATED CIRCUIT
TO-263
FEATURES
*Peak output current up to 1 A *Fixed output voltage of 3.3V, 4.7V ,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
*Pb-free plating product number: 78TXXAL
ORDERING INFORMATION
Order Number Pin Assignment Package Normal Lead Free Plating 1 2 3 78TxxA-TQ2-D-R 78TxxAL-TQ2-D-R I G O TO-263 78TxxA-TQ3-D-R 78TxxAL-TQ3-D-R I G O TO-263-3 Note: xx: output voltage, refer to Marking Information Packing Tape Reel Tape Reel
MARKING INFORMATION
PACKAGE VOLTAGE CODE 33 :3.3V 47 :4.7V 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 MARKING
TO-263 TO-263-3
UTC 78TXXA
VOLTAGE CODE DATE CODE
1
2
3
www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd.
1 of 8
QW-R101-011,F
78TXXA
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
INPUT
1
R13 T10 R17 T8 R9 T9 Z2 T12 T14 R19 R18 R12
R14 T11 T5 T6
T13 R11
OUTPUT
R10
3
R8 R15 T4 Z1 T15 R5
R4 R6
T7 R1 R2 C1 T3 T1 T2 R7
R16
R3
GND
2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R101-011,F
78TXXA
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
PARAMETER SYMBOL RATING UNIT VOUT=3.3~18V VIN 35 V Input Voltage VOUT=24V VIN 40 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Junction Temperature TJ +125 °C Operating Junction Temperature TOPR 0~ +70 °C Storage Temperature TSTG -40~ +150 °C Note 1. 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. 2. The device is guaranteed to meet performance specification within 0℃~+70℃ operating temperature range and assured by design from -20℃~+85℃.
ELECTRICAL CHARACTERISTICS
FOR 78T33A (VIN=5.8V, IOUT=0.5A, TJ= 0°C-125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 3.168 3.30 3.432 V Output Voltage VOUT 3.465 V VIN=5.8V~18.3V, IOUT=5mA-1.0A, PD≦15W 3.135 TJ=25°C, IOUT=5mA-1.0A 33 mV Load Regulation ∆VOUT 17 mV TJ=25°C, IOUT=0.25A-0.75A VIN=5.8V~18.3V, TJ=25°C 33 mV Line regulation ∆VOUT 33 mV VIN=5.8V~18.3V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=5.8V~18.3V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 55 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5Ma -0.4 mV/°C Ripple Rejection RR VIN=6.3V-16.3V, f=120Hz,TJ=25°C 57 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 FOR 78T47A (VIN=9.7V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 4.512 4.70 4.888 V Output Voltage VOUT VIN=7.2V~19.7V,IOUT=5mA-1.0A,PD≦15W 4.465 4.935 V 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 ∆VOUT IQ ∆IQ eN ∆Vo/∆T RR IPEAK ISC VD TJ=25°C, IOUT=5mA-1.0A TJ=25°C, IOUT=0.25A-0.75A VIN=7.2V~19.7V, TJ=25°C VIN=7.2V~19.7V, TJ=25°C, IOUT=1.0A TJ=25°C, IOUT≦1.0A VIN=7.2V~19.7V IOUT=5mA-1.0A 10Hz≦f≦100kHz IOUT=5mA VIN=7.7V-17.7V, f=120Hz, TJ=25°C TJ=25°C VIN=35V, TJ=25°C TJ=25°C 47 24 47 47 8.0 1.0 0.5 40 -0.6 80 1.8 250 2.0 mV mV mV mV mA mA mA µV mV/°C dB A mA V
62
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 8
QW-R101-011,F
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
LINEAR INTEGRATED CIRCUIT
FOR 78T05A (VIN=10V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA - 1.0A 4.80 5.0 5.20 V Output Voltage VOUT 5.25 V VIN=7.5V~20V,IOUT=5mA-1.0A, PD≦15W 4.75 TJ=25°C, IOUT=5mA-1.0A 50 mV Load Regulation ∆VOUT 25 mV TJ=25°C, IOUT=0.25A-0.75A VIN=7V~25V, TJ=25°C 50 mV Line regulation ∆VOUT 50 mV VIN=7.5V~20V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=7.5V~20V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 40 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -0.6 mV/°C Ripple Rejection RR VIN=8V-18V, f=120Hz, TJ=25°C 62 80 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 FOR 78T06A (VIN=11V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 5.76 6.0 6.24 V Output Voltage VOUT 6.30 V VIN=8.5V~21V,IOUT=5mA-1.0A, PD≦15W 5.70 TJ=25°C, IOUT=5mA-1.0A 60 mV Load Regulation ∆VOUT 30 mV TJ=25°C, IOUT=0.25A-0.75A VIN=8V~25V, TJ=25°C 60 mV Line regulation ∆VOUT 60 mV VIN=8.5V~21V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=8.5V~21V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 45 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -0.7 mV/°C Ripple Rejection RR VIN=9V-19V, f=120Hz, TJ=25°C 59 75 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 FOR 78T07A (VIN=13V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 6.72 7.0 7.28 V Output Voltage VOUT VIN=9.5V~22V,IOUT=5mA-1.0A,PD≦15W 6.65 7.35 V TJ=25°C, IOUT=5mA-1.0A 70 mV Load Regulation ∆VOUT TJ=25°C, IOUT=0.25A-0.75A 35 mV VIN=9V~25V, TJ=25°C 70 mV Line regulation ∆VOUT VIN=9.5V~22V, TJ=25°C, IOUT=1.0A 70 mV Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=9.5V~22V 1.0 mA Quiescent Current Change ∆IQ 0.5 mA IOUT=5mA-1.0A Output Noise Voltage eN 10Hz≦f≦100kHz 50 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -0.8 mV/°C Ripple Rejection RR VIN=10V-20V, f=120Hz, TJ=25°C 59 75 dB Peak Output Current IPEAK TJ=25°C 1.7 A Short-Circuit Current ISC VIN=35V, TJ=25°C 250 mA Dropout Voltage VD TJ=25°C 2.0 V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R101-011,F
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
LINEAR INTEGRATED CIRCUIT
FOR 78T08A (VIN=14V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 7.68 8.0 8.32 V Output Voltage VOUT 8.40 V VIN=10.5V~23V,IOUT=5mA-1.0A,PD≦15W 7.60 TJ=25°C, IOUT=5mA-1.0A 80 mV Load Regulation ∆VOUT 40 mV TJ=25°C, IOUT=0.25A-0.75A VIN=10.5V~25V, TJ=25°C 80 mV Line regulation ∆VOUT 80 mV VIN=10.5V~23V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=10.5V~23V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 58 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -0.9 mV/°C Ripple Rejection RR VIN=11.5V~21.5V, f=120Hz, TJ=25°C 56 72 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 FOR 78T09A (VIN=15V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA - 1.0A 8.64 9.0 9.36 V Output Voltage VOUT 9.45 V VIN=11.5V~24V,IOUT=5mA-1.0A,PD≦15W 8.55 TJ=25°C, IOUT=5mA-1.0A 90 mV Load Regulation ∆VOUT 45 mV TJ=25°C, IOUT=0.25A-0.75A VIN=11.5V~25 V, TJ=25°C 90 mV Line regulation ∆VOUT 90 mV VIN=11.5V~24V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=11.5V~24V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA–1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 58 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -1.1 mV/°C RR VIN=12.5V~22.5V, 56 72 dB Ripple Rejection f=120Hz, TJ=25°C 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 FOR 78T10A (VIN=16V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 9.60 10.0 10.40 V Output Voltage VOUT VIN=12.5V~25V,IOUT=5mA-1.0A,PD≦15W 9.50 10.50 V TJ=25°C, IOUT=5mA-1.0A 100 mV Load Regulation ∆VOUT TJ=25°C, IOUT=0.25A-0.75A 50 mV VIN=13V~25V, TJ=25°C 100 mV Line regulation ∆VOUT VIN=13V~25V, TJ=25°C, IOUT=1.0A 100 mV Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=12.6V~25V 1.0 mA Quiescent Current Change ∆IQ 0.5 mA IOUT=5mA-1.0A Output Noise Voltage eN 10Hz≦f≦100kHz 58 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -1.1 mV/°C Ripple Rejection RR VIN=13V-23V, f=120Hz, TJ=25°C 56 72 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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R101-011,F
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
LINEAR INTEGRATED CIRCUIT
FOR 78T12A (VIN=19V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 11.52 12.0 12.48 V Output Voltage VOUT 12.60 V VIN=14.5V~27V,IOUT=5mA-1.0A,PD≦15W 11.40 TJ=25°C, IOUT=5mA-1.0A 120 mV Load Regulation ∆VOUT 60 mV TJ=25°C, IOUT=0.25A-0.75A VIN=14.5V~30V, TJ=25°C 120 mV Line regulation ∆VOUT 120 mV VIN=14.6V~27V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=14.5V~30V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 75 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -1.5 mV/°C Ripple Rejection RR VIN=15V-25V, f=120Hz, TJ=25°C 55 72 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 FOR 78T15A (VIN=23V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 14.40 15.0 15.60 V Output Voltage VOUT 15.75 V VIN=17.5V~30V,IOUT=5mA-1.0A,PD≦15W 14.25 TJ=25°C, IOUT=5mA-1.0A 150 mV Load Regulation ∆VOUT 75 mV TJ=25°C, IOUT=0.25A-0.75A VIN=18.5V~30V, TJ=25°C 150 mV Line regulation ∆VOUT 150 mV VIN=17.7V~30V, TJ=25°C, IOUT=1.0A Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=17.5V~30V 1.0 mA Quiescent Current Change ∆IQ IOUT=5mA-1.0A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 90 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -1.8 mV/°C Ripple Rejection RR VIN=18.5V~28.5V, f=120Hz, TJ=25°C 54 70 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 FOR 78T18A (VIN=27V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 17.28 18.0 18.72 V Output Voltage VOUT VIN=21V~33V, IOUT=5mA-1.0A, PD≦15W 17.10 18.90 V TJ=25°C, IOUT=5mA-1.0A 180 mV Load Regulation ∆VOUT TJ=25°C, IOUT=0.25A-0.75A 90 mV VIN=21V~33V, TJ=25°C 180 mV Line regulation ∆VOUT VIN=21V~33V, TJ=25°C, IOUT=1.0A 180 mV Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=21.5V~33V 1.0 mA Quiescent Current Change ∆IQ 0.5 mA IOUT=5mA-1.0A Output Noise Voltage eN 10Hz≦f≦100kHz 110 µV Temperature coefficient of Vo ∆Vo/∆T IOUT=5mA -2.2 mV/°C Ripple Rejection RR VIN=22V-32V, f=120Hz, TJ=25°C 53 69 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
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 8
QW-R101-011,F
78TXXA
ELECTRICAL CHARACTERISTICS(Cont.)
LINEAR INTEGRATED CIRCUIT
FOR 78T24A (VIN=33V, IOUT=0.5A, TJ= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT TJ=25°C, IOUT=5mA-1.0A 23.04 24.0 24.96 V Output Voltage VOUT VIN=27V~38V, IOUT=5mA-1.0A, PD≦15W 22.80 25.20 V TJ=25°C, IOUT=5mA-1.0A 240 mV Load Regulation ∆VOUT TJ=25°C, IOUT=0.25A-0.75A 120 mV VIN=27V~38V, TJ=25°C 240 mV Line regulation ∆VOUT VIN=27V~38V, TJ=25°C, IOUT=1.0A 240 mV Quiescent Current IQ TJ=25°C, IOUT≦1.0A 8.0 mA VIN=28V~38V 1.0 mA Quiescent Current Change ∆IQ 0.5 mA IOUT=5mA-1.0A Output Noise Voltage eN 10Hz≦f≦100kHz 170 µV Temperature coefficient of Vo ∆Vo/∆T 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
