78TXX

78TXX UTC | Alldatasheet

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UNISONIC TECHNOLOGIES CO., LTD 78TXX LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 7 Copyright © 2008 Unisonic Technologies Co., Ltd QW-R101-021,B 3-TERMINALS 0.5A POSITIVE VOLTAGE REGULATOR „ DESCRIPTION The UTC 78TXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 0.5 A. „ FEATURE * Output current up to 0.5 A * Fixed output voltage of 4.7V, 5V, 6V, 8V, 9V, 12V, 15V,18V and 24V available * Thermal overload shutdown protection * Short circuit current limiting * Output transistor SOA protection *Pb-free plating product number:78TXXL „ ORDERING INFORMATION Ordering Number Pin Assignment Normal Lead Free Plating 1 2 3 Package Packing 78Txx-TQ2-R 78TxxL-TQ2-R I G O TO-263 Tape Reel 78Txx-TQ2-T 78TxxL-TQ2-T I G O TO-263 Tube 78Txx-TQ3-R 78TxxL-TQ3-R I G O TO-263-3 Tape Reel 78Txx-TQ3-T 78TxxL-TQ3-T I G O TO-263-3 Tube Note: 1. xx: output voltage, refer to Marking Information 2. Pin Code: I: Input G: GND O: Output

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 7 www.unisonic.com.tw QW-R101-021,B „ MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-263 TO-263-3 47 : 4.7V 05 : 5V 06 : 6V 08 : 8V 09 : 9V 12 : 12V 15 : 15V 18 : 18V 24 : 24V

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 7 www.unisonic.com.tw QW-R101-021,B „ BLOCK DIAGRAM GND OUTPUT INPUT R13 R17 R9 Z2 T12 T14 R19 R18 R12 R11 R10 T8 T9 T1 3 T10 R14 T11 T5 R15 T15 R16 R1 R2 T1 T2 „ TYPICAL APPLICATION CIRCUIT 1VIN VoUT UTC78TXX CI 0.33 μF CO 0.1 μF Note:Bypass capacitors are recommended for optimum stabi lity and transient response and should be located as close as possible to the regulators.

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 7 www.unisonic.com.tw QW-R101-021,B „ ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified. ) PARAMETER SYMBOL RATINGS UNIT VOUT=4.7~18V 35 V Input Voltage VOUT=20~24V VIN 40 V Output Current I OUT 0.5 A Power Dissipation P D Internally Limited W Operating Junction Temperature T J 0~+125 °C Storage Temperature T STG -65 ~ +150 °C Note:1. Absolute maximum ratings are stress ratings only a nd functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. 2. The maximum steady state usable ou tput current are dependent on input vo ltage, heat sinking, lead length of the package and copper pattern of PCB. The dat a are showed as electrical characteristics table represents pulse test conditions with junction temperatures specified at the initiation of test. „ ELECTRICAL CHARACTERISTICS (TJ=25°C,CI =0.33uF,CO =0.1uF,PD≦7W,unless otherwise specified) For 78T47 (VIN=9.7V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 47 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 24 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN=7.2~19.7V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 40 μV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -0.6 mV/ °C Ripple Rejection RR V IN=7.7~17.7V, f=120Hz 62 80 dB Peak Output Current I PEAK 1.8 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V For 78T05 (VIN=10V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 100 mVLoad Regulation ΔVOUT IOUT=5mA~200 mA 50 mV VIN =7V~25V 100 mVLine Regulation ΔVOUT VIN =7.5~20V, IOUT=0.5A 50 mV Quiescent Current I Q I OUT=0.5A 8 mA VUT =7.5~20V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 40 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -0.6 mV/ °C Ripple Rejection RR V IN =8~18V,f=120Hz 62 80 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 7 www.unisonic.com.tw QW-R101-021,B „ ELECTRICAL CHARACTERISTICS(Cont.) For 78T06 (VIN=11V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 60 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 30 mV VIN=8~25V 60 mVLine Regulation ΔVOUT VIN=8.5~21V, IOUT=0.5A 60 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN =8.5~21V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 45 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -0.7 mV/ °C Ripple Rejection RR V IN =9~19V,f=120Hz 59 75 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V For 78T08 (VIN=14V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 80 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 40 mV VIN =10.5~25V 80 mVLine Regulation ΔVOUT VIN =10.5~23V, IOUT=0.5A 80 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN =10.5~23V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 58 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -0.9 mV/ °C Ripple Rejection RR V IN =11.5~21.5V, f=120Hz 56 72 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V For 78T09 (VIN=15V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 90 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 45 mV VIN =11.5~25V 90 mVLine Regulation ΔVOUT VIN =11.5~24V, IOUT=0.5A 90 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN=11.5~24V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 58 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -1.1 mV/ °C Ripple Rejection RR V IN=12.5~22.5V,f=120Hz 56 72 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 7 www.unisonic.com.tw QW-R101-021,B „ ELECTRICAL CHARACTERISTICS(Cont.) For 78T12 (VIN=19V, , IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 120 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 60 mV VIN=14.5~30V 120 mVLine Regulation ΔVOUT VIN=14.6~27V, IOUT=0.5A 120 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN =14.5~30V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 75 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -1.5 mV/ °C Ripple Rejection RR V IN =15~25V, f=120Hz 55 72 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V For 78T15 (VIN=23V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 150 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 75 mV VIN=18.5~30V 150 mVLine Regulation ΔVOUT VIN=17.5~30V, IOUT=0.5A 150 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN=17.5~30V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 90 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -1.8 mV/ °C Ripple Rejection RR V IN=18.5~28.5V, f=120Hz 54 70 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V For 78T18 (VIN=27V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 180 mVLoad Regulation ΔVOUT IOUT=5mA~200mA 90 mV VIN=21~33V 180 mVLine Regulation ΔVOUT VIN=21~33V, IOUT =0.5A 180 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN=21.5~33V 1 mAQuiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 110 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -2.2 mV/ °C Ripple Rejection RR V IN =22~32V,f=120Hz 53 69 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V

78TXX LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 7 www.unisonic.com.tw QW-R101-021,B „ ELECTRICAL CHARACTERISTICS(Cont.) For 78T24 (VIN=33V, IOUT=0.5A) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT IOUT=5mA~0.5A 240 mV Load Regulation ΔVOUT IOUT=5mA~200mA 120 mV VIN=27~38V 240 mV Line Regulation ΔVOUT VIN=27~38V, IOUT=0.5A 240 mV Quiescent Current I Q I OUT=0.5A 8 mA VIN=28~38V 1 mA Quiescent Current Change ΔIQ IOUT=5mA~0.5A 0.5 mA Output Noise Voltage eN 10Hz≦f≦100kHz 170 uV Temperature coefficient of VOUT ΔVOUT/ΔTI OUT=5mA -2.8 mV/ °C Ripple Rejection RR V IN =28~38V, f=120Hz 50 66 dB Peak Output Current I PEAK 1.2 A Short-Circuit Current I SC V IN=35V 250 mA Dropout Voltage V D 2 V UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in lif e support appliances, devices or systems where malfunction of these products can be reasonably expe cted to result in personal injury. Reproduction in whole or in part is prohibited without the prior writ ten consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.