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| 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..com www.unisonic.com.tw Copyright (c) 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 www..com 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 www..com UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 7 QW-R101-012.E 79DXX ABSOLUTE MAXIMUM RATINGS (Ta=25C) 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 JA JC RATINGS 65 5 UNIT C /W C /W ELECTRICAL CHARACTERISTICS (0 MIN -5.76 -5.70 MAX -6.24 -6.30 10 5 10 3 4.3 120 60 120 60 8 0.5 1.3 54 -0.5 130 60 2 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 7 QW-R101-012.E 79DXX ELECTRICAL CHARACTERISTICS(Cont.) LINEAR INTEGRATED CIRCUIT FOR 79D08 (VIN=-14V, IOUT=500mA, CI=2.2uF,CO=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25C Output Voltage VOUT 5.0mA TYP -8.0 MAX -8.32 -8.40 UNIT V V mV mV mV mV mA mA mA mV/C V dB V UNIT V V mV mV mV mV mA mA mA mV/C V dB V UNIT V V mV mV mV mV mA mA mA mV/C V dB V 54 10 5 12 4 4.3 0.05 0.1 -0.6 175 60 2 TYP -9.0 100 80 160 80 8 0.5 1.0 MIN -8.64 -8.55 MAX -9.36 -9.45 54 10 5 12 4 4.3 0.05 0.1 -0.6 175 60 2 TYP -12.0 180 90 180 90 8 0.5 1.0 MIN -11.52 -11.40 MAX -12.48 -12.60 54 12 6 12 4 4.3 0.05 0.1 -0.8 200 60 2 240 120 240 120 8 0.5 1.0 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 7 QW-R101-012.E 79DXX ELECTRICAL CHARACTERISTICS(Cont.) LINEAR INTEGRATED CIRCUIT FOR 79D15 (VIN=-23V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25C Output Voltage VOUT 5.0mA TYP -15.0 MAX -15.60 -15.75 UNIT V V mV mV mV mV mA mA MA mV/C V dB V UNIT V V mV mV mV mV mA mA mA mV/C V dB V 54 12 6 12 4 4.3 0.05 0.1 -0.9 250 60 2 TYP -18.0 300 150 300 150 8 0.5 1.0 MIN -17.28 -17.10 MAX -18.72 -18.90 15 8 15 5.0 4.3 360 180 360 180 8 0.5 1.0 54 -1 300 60 2 MIN -23.04 -22.80 TYP -24.0 MAX -24.96 -25.20 UNIT V V mV mV mV mV mA mA mA mV/C V dB V 15 8 15 5.0 4.3 480 240 480 240 8 0.5 1.0 54 -1 400 60 2 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 7 QW-R101-012.E 79DXX APPLICATION CIRCUITS LINEAR INTEGRATED CIRCUIT Fig.1 Fixed output regulator +20V 1 0.33 F UTC 78D15 2 +15V 3 0.1 F 1N4001 2.2 F 2 -20V 1 1 F 3 1N4001 UTC 79D15 -15V Fig.2 Split power supply (15V, 0.5A) C1 2.2 F 2 -VIN C3 2.5 F 1 R1 C2 1F R2 UTC 79DXX 3 -VOUT Fig.3 Circuit for increasing output voltage UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even www..com 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 life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 7 QW-R101-012.E |
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