79DXX

UNISONIC TECHNOLOGIES CO., LTD 79DXX 3 TERMINAL 0.5A NEGATIVE VOLTAGE REGULATOR DESCRIPTION The UTC 79DXX series of three-terminal negative regulators are available in TO-252 and TO-251 packages and with several fixed output voltage, making them useful in a wide range of application. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. LINEAR INTEGRATED CIRCUIT FEATURES * Output current up to 0.5A * -5V; -6V;-8V;-12V;-15V;-18V;-24V output voltage available * Thermal overload protection * Short circuit protection *Pb-free plating product number: 79DXXL ORDERING INFORMATION Ordering Number Pin Assignment Normal Lead Free Plating 1 2 3 79Dxx-TM3-T 79DxxL-TM3-T G I O 79Dxx-TN3-R 79DxxL-TN3-R G I O 79Dxx-TN3-T 79DxxL-TN3-T G I O Note: 1. xx: output voltage, refer to Marking Information 2. Pin Code: I: Input G: GND O: Output Package TO-251 TO-252 TO-252 Packing Tube Tape Reel Tube www.unisonic.com.tw Copyright © 2007 Unisonic Technologies Co., Ltd 1 of 7 QW-R101-012.E 79DXX MARKING INFORMATION PACKAGE VOLTAGE CODE 05 06 08 12 15 18 24 : : : : : : : -5V -6V -8V -12V -15V -18V -24V LINEAR INTEGRATED CIRCUIT MARKING TO-251 TO-252 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 7 QW-R101-012.E 79DXX BLOCK DIAGRAM GND LINEAR INTEGRATED CIRCUIT R1 R2 OUTPUT Voltage reference Protection circuitry RSC INPUT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 7 QW-R101-012.E 79DXX ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL VOUT= -5 ~ -18V VOUT= -20 ~ -24V LINEAR INTEGRATED CIRCUIT UNIT V Input Voltage VIN V Operating Temperature TOPR °C Storage Temperature TSTG -65 ~ +150 °C 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. RATINGS -35 -40 -40 ~ +85 THERMAL DATA PARAMETER Thermal Resistance Junction-Air Thermal Resistance Junction-Cases SYMBOL θJA θJC RATINGS 65 5 UNIT °C /W °C /W ELECTRICAL CHARACTERISTICS (0