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78TXX Dataheets PDF



Part Number 78TXX
Manufacturers Unisonic Technologies
Logo Unisonic Technologies
Description 3-TERMINALS 0.5A POSITIVE VOLTAGE REGULATOR
Datasheet 78TXX Datasheet78TXX Datasheet (PDF)

UNISONIC TECHNOLOGIES CO., LTD 78TXX LINEAR INTEGRATED CIRCUIT 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 5V, 6V, 8V, 9V, 12V, 15V and 18V * Thermal overload shutdown protection * Short circuit current limiting * Output transistor SOA protection available .

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UNISONIC TECHNOLOGIES CO., LTD 78TXX LINEAR INTEGRATED CIRCUIT 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 5V, 6V, 8V, 9V, 12V, 15V and 18V * Thermal overload shutdown protection * Short circuit current limiting * Output transistor SOA protection available  ORDERING INFORMATION Note: Ordering Number Lead Free Halogen Free 78TXXL-TA3-T 78TXXG-TA3-T 78TXXL-TQ2-R 78TXXG-TQ2-R 78TXXL-TQ2-T 78TXXG-TQ2-T 78TXXL-TQ3-R 78TXXG-TQ3-R 78TXXL-TQ3-T 78TXXG-TQ3-T 1. xx: output voltage, refer to Marking Information 2. Pin Code: I: Input G: GND O: Output Package TO-220 TO-263 TO-263 TO-263-3 TO-263-3 Pin Assignment 123 I GO I GO I GO I GO I GO Packing Tube Tape Reel Tube Tape Reel Tube www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd 1 of 7 QW-R101-021.F 78TXX LINEAR INTEGRATED CIRCUIT  MARKING INFORMATION PACKAGE TO-220 TO-263 TO-263-3 VOLTAGE CODE 05 : 5V 06 : 6V 08 : 8V 09 : 9V 12 : 12V 15 : 15V 18 : 18V  BLOCK DIAGRAM MARKING R13 T10 R17 T8 R14 T11 T5 R9 Z2 T12 T9 T14 R19 R18 R12 T13 R11 R10 R15 Z1 R16 T6 R5 T4 T15 R1 T1 R4 R6 T7 R2 C1 T3 T2 R8 R7 INPUT 1 OUTPUT 3 R3  TYPICAL APPLICATION CIRCUIT GND 2 VIN CI 0.33 μF 1 UTC78TXX 3 2 VoUT CO 0.1 μF Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 7 QW-R101-021.F 78TXX LINEAR INTEGRATED CIRCUIT  ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 35 V Output Current IOUT 0.5 A Power Dissipation PD Internally Limited W Junction Temperature TJ 0~+125 °C Storage Temperature TSTG -65 ~ +150 °C Notes:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. 2. 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 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 78T05 (VIN=10V, IOUT=0.5A) PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage For 78T06 (VIN=11V, IOUT=0.5A) PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL TEST CONDITIONS VOUT VOUT VOUT IQ IOUT=5mA~0.5A VIN =7.5~20V, IOUT=5mA~0.5A IOUT=5mA~0.5A IOUT=5mA~200 mA VIN =7V~25V VIN =7.5~20V, IOUT=0.5A IOUT=0.5A IQ VUT =7.5~20V IOUT=5mA~0.5A eN 10Hz≦f≦100kHz VOUT/T IOUT=5mA RR IPEAK VIN =8~18V, f=120Hz ISC VIN=35V VD SYMBOL TEST CONDITIONS VOUT IOUT=5mA~0.5A VIN=8.5~21V, IOUT=5mA~0.5A VOUT IOUT=5mA~0.5A IOUT=5mA~200mA VOUT VIN=8~25V VIN=8.5~21V, IOUT=0.5A IQ IOUT=0.5A IQ VIN =8.5~21V IOUT=5mA~0.5A eN 10Hz≦f≦100kHz VOUT/T IOUT=5mA RR VIN =9~19V, f=120Hz IPEAK ISC VIN=35V VD MIN TYP MAX UNIT 4.8 5 5.2 V 4.75 5.25 V 100 mV 50 mV 100 mV 50 mV 8 mA 1 mA 0.5 mA 40 μV -0.6 mV/℃ 62 80 dB 1.2 A 250 mA 2V MIN TYP MAX UNIT 5.76 6 6.24 V 5.7 6.3 V 60 mV 30 mV 60 mV 60 mV 8 mA 1 mA 0.5 mA 45 μV -0.7 mV/℃ 59 75 dB 1.2 A 250 mA 2V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 7 QW-R101-021.F 78TXX LINEAR INTEGRATED CIRCUIT  ELECTRICAL CHARACTERISTICS(Cont.) For 78T08 (VIN=14V, IOUT=0.5A) PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage For 78T09 (VIN=15V, IOUT=0.5A) PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage For 78T12 (VIN=19V, IOUT=0.5A) PARAMETER Output Voltage Load Regulation Line Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of VOUT Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage SYMBOL TEST CONDITIONS VOUT IOUT=5mA~0.5A VIN=10.5~23V, IOUT=5mA~0.5A VOUT IOUT=5mA~0.5A IOUT=5mA~200mA V.


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