UNISONIC TECHNOLOGIES CO., 79TXXA LINEAR INTEGRATED CIRCUIT 3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR 1 DESCRIPTION The UTC 79TXXA series of three-terminal negative regulators are available in TO-263 package 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. TO-263 1 TO-263-3 FEATURES *Output current up to 1A *-5V, -6V, -8V, -9V, -12V, -15V, -18V, -24V output voltage available *Thermal overload protection *Short circuit protection ORDERING INFORMATION Ordering Number Lead Free Halogen Free 79TXXAL-TQ2-R 79TXXAG-TQ2-R 79TXXAL-TQ2-T 79TXXAG-TQ2-T 79TXXAL-TQ3-R 79TXXAG-TQ3-R 79TXXAL-TQ3-T 79TXXAG-TQ3-T Note: Pin Code: I: Input G: GND O: Output www.unisonic.com.tw Copyright © 2011 Unisonic Technologies Co., Package TO-263 TO-263 TO-263-3 TO-263-3 Pin Assignment 1 2 3 G I O G I O G I O G I O Packing Tape Reel Tube Tape Reel Tube 1 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE VOLTAGE CODE TO-263 TO-263-3 05 :5.0V 06 :6.0V 08 :8.0V 09 :9.0V 12 :12V 15 :15V 18 :18V 24 :24V MARKING BLOCK DIAGRAM GND R1 R2 OUTPUT Voltage reference Protection circuitry RSC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw INPUT 2 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25℃, unless otherwise specified) PARAMETER SYMBOL RATING UNIT Input voltage VIN -35 V Output Current IOUT 1 A Power Dissipation PD Internally Limited W Operating Temperature TOPR 0 ~ +125 ℃ Storage Temperature TSTG -65 ~ +150 ℃ 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. THERMAL DATA PARAMETER Junction to Ambient Junction to Case SYMBOL θJA θJC RATINGS 65 5 UNIT ℃/W ℃/W ELECTRICAL CHARACTERISTICS (Refer to test circuits, TJ= 0°С-125℃, IOUT =500mA, CO=1uF, unless otherwise specified) FOR 79T05A (VIN =-10V, CI =33uF) PARAMETER SYMBOL TEST CONDITIONS MIN TJ=25℃ -4.80 Output Voltage VOUT IOUT =5mA ~ 1A, PD≦15W, VIN= -7V ~ -20V -4.75 TJ=25℃, VIN =-7V ~ -25V Line Regulation ΔVOUT TJ=25℃, VIN =-8V ~ -12V TJ=25℃, IOUT =5mA ~ 1A Load Regulation ΔVOUT TJ=25℃, IOUT =250mA ~ 750mA Quiescent Current IQ TJ=25℃ IOUT =5mA ~ 1A Quiescent Current Change ΔIQ VIN =-7V ~ -25V Temperature coefficient of VO ΔVO/ΔT IOUT =5mA Output Noise Voltage eN f=10Hz ~ 100kHz, TA=25℃ Ripple Rejection RR f=120Hz, VIN =-8V ~ -18V 54 Dropout Voltage VD IOUT =1.0A, TJ=25℃ Short-Circuit Current ISC VIN =-35V, TA=25℃ Peak Output Current IPEAK TJ=25℃ FOR 79T06A (VIN =-11V, CI =2.2uF) PARAMETER SYMBOL TEST CONDITIONS MIN TJ=25℃ -5.76 Output Voltage VOUT IOUT =5mA ~ 1A, PD≦15W, VIN =-8V~ -21V -5.70 TJ=25℃, VIN =-8V ~ -25V Line Regulation ΔVOUT TJ=25℃, VIN =-9V ~ -13V TJ=25℃, IOUT =5mA ~ 1A Load Regulation ΔVOUT TJ=25℃, IOUT =250mA ~ 750mA Quiescent Current IQ TJ=25℃ IOUT =5mA ~ 1A Quiescent Current Change ΔIQ VIN =-8V ~ -25V Temperature coefficient of VO ΔVO/ΔT IOUT =5mA f=10Hz ~ 100kHz, TA=25℃ Output Noise Voltage eN Ripple Rejection Dropout Voltage Short-Circuit Current Peak Output Current RR VD ISC IPEAK f=120Hz, VIN =-9V ~ -19V IOUT =1.0A, TJ=25℃ VIN =-35V, TA=25℃ TJ=25℃ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 54 TYP -5.0 10 10 3 3 0.05 0.1 -0.4 100 60 2 300 2.2 TYP -6.00 10 5 10 3 3 -0.5 130 60 2 300 2.2 MAX UNIT -5.20 V -5.25 V 100 mV mV 100 mV 50 mV 6 mA 0.5 mA 1.3 mA mV/℃ μV dB V mA A MAX UNIT -6.24 V -6.30 V 120 mV 60 mV 120 mV 60 mV 6 mA 0.5 mA 1.3 mA mV/℃ μV dB V mA A 3 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 79T08A (VIN =-14V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change IQ ΔIQ Temperature coefficient of VO ΔVO/ΔT Output Noise Voltage eN Ripple Rejection RR Dropout Voltage VD Short-Circuit Current ISC Peak Output Current IPEAK FOR 79T09A (VIN =-15V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change Temperature coefficient of VO Output Noise Voltage Ripple Rejection Dropout Voltage Short-Circuit Current Peak Output Current IQ ΔIQ ΔVO/ΔT eN RR VD ISC IPEAK TEST CONDITIONS TJ=25℃ IOUT =5mA~1A, PD≦15W, VIN=-10.5V~-23V TJ=25℃, VIN =-10.5V ~ -25V TJ=25℃, VIN =-11.5V ~ -17V TJ=25℃, IOUT =5mA ~ 1A TJ=25℃, IOUT =250mA ~ 750mA TJ=25℃ IOUT =5mA ~ 1A VIN =-11.5V ~ -25V IOUT =5mA f=10Hz ~ 100kHz,TA=25℃ f=120Hz, VIN =-11.5V ~ -21.5V IOUT =1.0A,TJ=25℃ VIN =-35V,TA=25℃ TJ=25℃ 54 TEST CONDITIONS MIN -8.64 TJ=25℃ IOUT =5mA~1A, PD≦15W, VIN =-11.5V~-23V -8.55 TJ=25℃, VIN =-11.5V ~ -26 V TJ=25℃, VIN =-12V ~ -18V TJ=25℃, IOUT =5mA ~ 1A TJ=25℃, IOUT =0.25A - 0.75A TJ=25℃ IOUT =5mA ~ 1A VIN =-11.5V ~ -26V IOUT =5mA f=10Hz ~ 100kHz, TA=25℃ f=120Hz,TJ=25℃, VIN =-12.5V ~ -22.5V 54 IOUT =1.0A, TJ=25℃ VIN =-35V, TA=25℃ TJ=25℃ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN -7.68 -7.60 TYP -8.0 10 5 12 4 3 0.05 0.1 -0.6 175 60 2 300 2.2 TYP -9.0 10 5 12 4 3 0.05 0.1 -0.6 175 60 2.0 300 2.2 MAX UNIT -8.32 V -8.40 V 100 mV 80 mV 160 mV 80 mV 6 mA 0.5 mA 1.0 mA mV/℃ μV dB V mA A MAX UNIT -9.36 V -9.45 V 180 mV 90 mV 180 mV 90 mV 6 mA 0.5 mA 1.0 mA mV/℃ μV dB V mA A 4 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 79T12A (VIN =-18V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change IQ ΔIQ Temperature coefficient of VO ΔVO/ΔT eN Output Noise Voltage Ripple Rejection RR Dropout Voltage VD Short-Circuit Current ISC Peak Output Current IPEAK FOR 79T15A (VIN =-23V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change Temperature coefficient of VO Output Noise Voltage Ripple Rejection Dropout Voltage Short-Circuit Current Peak Output Current IQ ΔIQ ΔVO/ΔT eN RR VD ISC IPEAK TEST CONDITIONS MIN TYP MAX UNIT -11.52 -12.0 -12.48 V IOUT =5mA~1A, PD≦15W, VIN =-14.5V~-27V -11.40 -12.60 V TJ=25℃, VIN =-14.5V ~ -30V 12 240 mV TJ=25℃, VIN =-16V ~ -22V 6 120 mV TJ=25℃, IOUT =5mA ~ 1A 12 240 mV TJ=25℃, IOUT =250mA ~ 750mA 4 120 mV TJ=25℃ 3 6 mA 0.05 0.5 mA IOUT =5mA ~ 1A VIN =-14.5V ~ -30V 0.1 1.0 mA mV/℃ IOUT =5mA -0.8 f=10 Hz ~ 100kHz, TA=25℃ 200 μV f=120Hz, VIN =-15V ~ -25V 54 60 dB IOUT =1.0A, TJ=25℃ 2 V VIN =-35V, TA=25℃ 300 mA TJ=25℃ 2.2 A TJ=25℃ TEST CONDITIONS MIN TYP MAX UNIT -14.40 -15.0 -15.60 V IOUT =5mA~1A, PD≦15W, VIN=-17.5V~ -30V -14.25 -15.75 V TJ=25℃, VIN =-17.5V to -30V 12 300 mV TJ=25℃, VIN =-20V to -26V 6 150 mV TJ=25℃, IOUT =5mA ~ 1A 12 300 mV TJ=25℃, IOUT =250mA ~ 750mA 4 150 mV TJ=25℃ 3 6 mA IOUT =5mA ~ 1A 0.05 0.5 mA VIN =-17.5V to -30.5V 0.1 1.0 mA mV/℃ IOUT =5mA -0.9 f=10 Hz ~ 100kHz,TA=25℃ 250 μV f=120Hz, VIN =-18.5V to -28.5V 54 60 dB IOUT =1.0A, TJ=25℃ 2 V VIN =-35V, TA=25℃ 300 mA TJ=25℃ 2.2 A TJ=25℃ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) FOR 79T18A (VIN =-27V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change IQ ΔIQ Temperature coefficient of VO ΔVO/ΔT Output Noise Voltage eN Ripple Rejection RR Dropout Voltage VD Short-Circuit Current ISC Peak Output Current IPEAK FOR 79T24A (VIN =-33V, CI =2.2uF) PARAMETER SYMBOL Output Voltage VOUT Line Regulation ΔVOUT Load Regulation ΔVOUT Quiescent Current Quiescent Current Change Temperature coefficient of VO Output Noise Voltage Ripple Rejection Dropout Voltage Short-Circuit Current Peak Output Current IQ ΔIQ ΔVO/ΔT eN RR VD ISC IPEAK TEST CONDITIONS TJ=25℃ IOUT=5mA~1A, PD≦15W, VIN=-21V~-33V TJ=25℃, VIN =-21V ~ -33V TJ=25℃, VIN =-24V ~ -30V TJ=25℃, IOUT =5mA ~ 1A TJ=25℃, IO=250mA ~ 750mA TJ=25℃ IOUT =5mA ~ 1A VIN =-21V ~ -32V IO=5mA f=10hz ~ 100kHz, TA=25℃ f=120Hz, VIN =-22V ~ -32V IO=1.0A, TJ=25℃ VIN =-35V, TA=25℃ TJ=25℃ TEST CONDITIONS MIN TYP MAX UNIT -23.04 -24 -24.96 V IOUT =5mA ~ 1A, PD≦15W, VIN =-27V~ -38V -22.80 -25.20 V TJ=25℃, VIN =-27V ~ -38V 15 480 mV TJ=25℃, VIN =-30V ~ -36V 8 240 mV TJ=25℃, IOUT =5mA ~ 1A 15 480 mV TJ=25℃, IOUT =250mA ~ 750mA 5.0 240 mV TJ=25℃ 3 6 mA IOUT =5mA ~ 1A 0.5 mA VIN =-27V ~ -38V 1.0 mA mV/℃ IOUT =5mA -1 f=10Hz ~ 100kHz, TA=25℃ 400 μV f=120Hz, VIN =-28V ~ -38V 54 60 dB IOUT =1.0A, TJ=25℃ 2 V VIN =-35V, TA=25℃ 300 mA TJ=25℃ 2.2 A TJ=25℃ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX UNIT -17.28 -18.0 -18.72 V -17.10 -18.90 V 15 360 mV 8 180 mV 15 360 mV 5.0 180 mV 3 6 mA 0.5 mA 1.0 mA mV/℃ -1 300 μV 54 60 dB 2 V 300 mA 2.2 A 6 of 7 QW-R101-013.Da 79TXXA LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUITS Fig.1 Fixed output regulator Fig.2 Split power supply (+-15V, 1A) C3 2.5 F C1 2.2 F R1 1 2 UTC 79TXXA 3 C2 1 F R2 -VO -VI 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-R101-013.Da