UNISONIC TECHNOLOGIES CO., LTD 79DXX LINEAR INTEGRATED CIRCUIT 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. FEATURES *Pb-free plating product number: 79DXXL * Output current up to 0.5A * -5V; -6V;-8V;-12V;-15V;-18V;-24V output voltage available * Thermal overload protection * Short circuit protection 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 www.unisonic.com.tw Copyright © 2007 Unisonic Technologies Co., Ltd Package Packing TO-251 TO-252 TO-252 Tube Tape Reel Tube 1 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE TO-251 TO-252 VOLTAGE CODE 05 06 08 12 15 18 24 : : : : : : : MARKING -5V -6V -8V -12V -15V -18V -24V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM GND R1 R2 OUTPUT Voltage reference Protection circuitry RSC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw INPUT 3 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS -35 -40 -40 ~ +85 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. SYMBOL θJA θJC RATINGS 65 5 VOUT= -5 ~ -18V VOUT= -20 ~ -24V THERMAL DATA PARAMETER Thermal Resistance Junction-Air Thermal Resistance Junction-Cases UNIT °C /W °C /W ELECTRICAL CHARACTERISTICS (0<TJ<125°C, unless otherwise specified) FOR 79D05 (VIN=-10V, IOUT=500mA, CI=33uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-7V ~ -20V TJ=25°C, VIN=-7V ~ -25V Line Regulation ΔVOUT TJ=25°C, VIN=-8V ~ -12V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-7V ~ -25V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage VN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz, VIN=-8V ~ -18V Dropout Voltage VD IOUT=1.0A, TJ=25°C FOR 79D06 (VIN=-11V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-8V ~ -21V TJ=25°C, VIN=-8V ~ -25V Line Regulation ΔVOUT TJ=25°C, VIN=-9V ~ -13V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-8V ~ -25V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN F=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR F=120Hz, VIN=-9V ~ -19V Dropout Voltage VD IOUT=0.5A, TJ=25°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN -4.80 TYP -5.0 MAX -5.20 UNIT V -5.25 V 10 100 10 3 4.3 0.05 0.1 -0.4 100 60 2 100 50 8 0.5 1.3 mV mV mV mV mA mA mA mV/°C μV dB V TYP -6.0 MAX -6.24 UNIT V -6.30 V 120 60 120 60 8 0.5 1.3 mV mV mV mV mA mA mA mV/°C μV dB V -4.75 54 MIN -5.76 -5.70 10 5 10 3 4.3 54 -0.5 130 60 2 4 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 79D08 (VIN=-14V, IOUT=500mA, CI=2.2uF,CO=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-10.5V ~ -23V TJ=25°C, VIN=-10.5V ~ -25V Line Regulation ΔVOUT TJ=25°C, VIN=-11.5V ~ -17V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current change ΔIQ VIN=-11.5V ~ -25V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz, VIN=-11.5V ~ -21.5V Dropout Voltage VD IOUT=0.5A, TJ=25°C FOR 79D09 (VIN=-15V, IOUT=500mA, CI=2.2uF,Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A,POUT<15W VIN =-11.5V ~ -24V TJ=25°C, VIN=-11.5V ~ - 25 V Line regulation ΔVOUT TJ=25°C, VIN =-12.5V ~ - 18V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-11.5V ~ -26V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz VIN =-12.5V ~ -22.5V Dropout Voltage VD IOUT=0.5A,TJ=25°C FOR 79D12 (VIN=-18V, IOUT=500mA, CI=2.2uF,Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-14.5V ~ -27V TJ=25°C, VIN=-14.5V ~ -30V Line Regulation ΔVOUT TJ=25°C, VIN=-16V ~ -22V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-14.5V ~ -30V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz, VIN=-15V ~ -25V Dropout Voltage VD IOUT=0.5A, TJ=25°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN -7.68 TYP -8.0 MAX -8.32 UNIT V -8.40 V 10 5 12 4 4.3 0.05 0.1 -0.6 175 60 2 100 80 160 80 8 0.5 1.0 mV mV mV mV mA mA mA mV/°C μV dB V TYP -9.0 MAX -9.36 UNIT V -9.45 V 10 5 12 4 4.3 0.05 0.1 -0.6 175 60 2 180 90 180 90 8 0.5 1.0 mV mV mV mV mA mA mA mV/°C μV dB V TYP -12.0 MAX -12.48 UNIT V -12.60 V 240 120 240 120 8 0.5 1.0 mV mV mV mV mA mA mA mV/°C μV dB V -7.60 54 MIN -8.64 -8.55 54 MIN -11.52 -11.40 54 12 6 12 4 4.3 0.05 0.1 -0.8 200 60 2 5 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 79D15 (VIN=-23V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W Vi=-17.5V ~ -30V TJ=25°C, VIN=-17.5V ~ -30V Line Regulation ΔVOUT TJ=25°C, VIN=-20V ~ -26V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-17.5V ~ -30.5V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz, VIN=-18.5V ~ -28.5V Dropout Voltage Vd IOUT=0.5A, TJ=25°C FOR 79D18 (VIN=-27V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER SYMBOL TEST CONDITIONS TJ=25°C Output Voltage VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-21V ~ -33V TJ=25°C, VIN=-21V ~ -33V Line Regulation ΔVOUT TJ=25°C, VIN=-24V ~ -30V TJ=25°C, IOUT=5.0mA ~ 0.5A Load Regulation ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA Quiescent Current IQ TJ=25°C IOUT=5mA ~ 0.5A Quiescent Current Change ΔIQ VIN=-21V ~ -32V Temperature Coefficient of VOUT ΔVOUT/ΔT IOUT=5mA Output Noise Voltage eN f=10Hz ~ 100kHz, Ta=25°C Ripple Rejection RR f=120Hz, VIN=-22V ~ -32V Dropout Voltage VD IOUT=0.5A, TJ=25°C MIN -14.40 TYP -15.0 MAX -15.60 UNIT V -15.75 V 12 6 12 4 4.3 0.05 0.1 -0.9 250 60 2 300 150 300 150 8 0.5 1.0 mV mV mV mV mA mA MA mV/°C μV dB V TYP -18.0 MAX -18.72 UNIT V -18.90 V 360 180 360 180 8 0.5 1.0 mV mV mV mV mA mA mA mV/°C μV dB V MAX -24.96 UNIT V -25.20 V 480 240 480 240 8 0.5 1.0 mV mV mV mV mA mA mA mV/°C μV dB V -14.25 54 MIN -17.28 -17.10 15 8 15 5.0 4.3 54 -1 300 60 2 FOR 79D24 (VIN=-33V, IOUT=500mA, CI=2.2uF, Co=1uF) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Temperature Coefficient of VOUT Output Noise Voltage Ripple Rejection Dropout Voltage SYMBOL TEST CONDITIONS TJ=25°C VOUT 5.0mA<IOUT<0.5A, POUT<15W VIN=-27V ~ -38V TJ=25°C, VIN=-27V ~ -38V ΔVOUT TJ=25°C, VIN=-30V ~ -36V TJ=25°C, IOUT=5.0mA ~ 0.5A ΔVOUT TJ=25°C, IOUT=5.0mA ~ 200mA IQ TJ=25°C IOUT=5mA ~ 0.5A ΔIQ VIN=-27V ~ -38V ΔVOUT/ΔT IOUT=5mA eN f=10Hz ~ 100kHz, Ta=25°C RR f=120Hz, VIN=-28V to -38V VD IOUT=0.5A,TJ=25°C UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN -23.04 TYP -24.0 -22.80 15 8 15 5.0 4.3 54 -1 400 60 2 6 of 7 QW-R101-012.E 79DXX LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUITS Fig.1 Fixed output regulator +20V UTC 78D15 1 +15V 3 0.33 μF 2 0.1 μF 1N4001 2.2 μF 1 1 μF 1N4001 2 UTC 79D15 3 -20V -15V Fig.2 Split power supply (±15V, 0.5A) C3 2.5 F C1 2.2 F R1 C2 1 F 1 R2 2 UTC 79DXX 3 -VOUT -VIN Fig.3 Circuit for increasing output voltage 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 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