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| 79LXX LINEAR INTEGRATED CIRCUIT 3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATOR The Contek79LXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 100mA. DESCRIPTION SOP-8 1 FEATURES TO-92 1 *Output current up to 100mA *Fixed output voltage of -5V, -6V, -8V, -9V, -12V,-15V ,-18V and -24V available *Thermal overload shutdown protection *Short circuit current limiting SOT-89 TO-92, SOT-89: 1:GND 2:Input 3:Output SOP- 8 : 1. Vout ; 2,3,6,7 Vin ; 5. GND; 4,8 NC TEST CIRCUIT GND www..com OUTPUT INPUT Contek Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 1 79LXX PARAMETER Input voltage(for Vo=-5~-9V) (for Vo=-12~-15V) (for Vo=-18~-24V) Power Dissipation LINEAR INTEGRATED CIRCUIT SYMBOL VI VI VI PD TOPR TSTG 500 -30 ~ +125 -40 ~ +125 mW C C ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified ) VALUE -30 -35 UNIT V V Operating Junction Temperature Range Storage Temperature Range Contek79L05 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO TEST CONDITIONS VIN=-10V,Io=40mA VIN=-7~-20V,Io=40mA VIN=-10V,Io=1~100mA VIN=-10V,Io=40mA VIN=-8~-18V, Io=40mA, ein=1Vp-p ,f=120Hz VIN=-10V, BW=10Hz~100kH,Io=40mA MIN -4.8 TYP -5.0 15 7 3.5 71 120 MAX -5.2 150 60 6.0 UNIT V mV mV mA dB mV 41 Contek79L06 ELECTRICAL CHARACTERISTICS www..com (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO TEST CONDITIONS VIN=-12V,Io=40mA VIN=-8.5~-20V,Io=40mA VIN=-12V,Io=1~100mA VIN=-12V,Io=40mA VIN=-9~ -19V, Io=40mA,ein=1Vp-p ,f=120Hz VIN=-12V, BW=10Hz~100kH,Io=40mA MIN -5.76 TYP -6.0 15 7 3.5 71 120 MAX -5.2 150 60 6.0 UNIT V mV mV mA dB mV 41 Contek79L08 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO Test conditions VIN=-14V,Io=40mA VIN=-10.5~-23V,Io=40mA VIN=-14V,Io=1~100mA VIN=-14V,Io=40mA VIN=-11~ -21V, Io=40mA,ein=1Vp-p ,f=140Hz VIN=-14V, BW=10Hz~100kH,Io=40mA MIN -7.68 TYP -8.0 24 10 3.5 68 190 MAX -8.32 175 80 6.0 UNIT V mV mV mA dB mV 39 Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 2 79LXX PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage LINEAR INTEGRATED CIRCUIT SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO Contek79L09 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF,unless otherwise specified) TEST CONDITIONS VIN=-15V,Io=40mA VIN=-12.5~-24V,Io=40mA VIN=-15V,Io=1~100mA VIN=-15V,Io=40mA VIN=-12~ -22V, Io=40mA,ein=1Vp-p ,f=150Hz VIN=-15V, BW=10Hz~100kH,Io=40mA MIN -8.64 TYP -9.0 27 12 3.5 64 210 MAX -9.36 200 90 6.0 UNIT V mV mV mA dB mV 37 Contek79L12 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO TEST CONDITIONS VIN=-19V,Io=40mA VIN=-14.5~-27V,Io=40mA VIN=-19V,Io=1~100mA VIN=-19V,Io=40mA VIN=-15~ -25V, Io=40mA,ein=1Vp-p ,f=190Hz VIN=-19V, BW=10Hz~100kH,Io=40mA MIN -11.5 TYP -12.0 36 16 3.5 64 210 MAX -12.5 250 100 6.0 UNIT V mV mV mA dB mV 37 www..com Contek79L15 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO TEST CONDITIONS VIN=-23V,Io=40mA VIN=-17.5~-30V,Io=40mA VIN=-23V,Io=1~100mA VIN=-23V,Io=40mA VIN=-18.5~ -28.5V, Io=40mA,ein=1Vp-p ,f=230Hz VIN=-23V, BW=10Hz~100kH,Io=40mA MIN -14.4 TYP -15.0 45 20 3.5 63 340 MAX -15.6 300 150 6.0 UNIT V mV mV mA dB mV 34 Contek79L18 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO TEST CONDITIONS VIN=-27V,Io=40mA VIN=-20.5~-33V,Io=40mA VIN=-27V,Io=1~100mA VIN=-27V,Io=40mA VIN=-23~ -33V, Io=40mA,ein=1Vp-p ,f=270Hz VIN=-27V, BW=10Hz~100kH,Io=40mA MIN -17.3 TYP -18.0 54 23 3.5 60 410 MAX -18.7 300 170 6.0 UNIT V mV mV mA dB mV 33 Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 3 79LXX PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage LINEAR INTEGRATED CIRCUIT SYMBOL Vo Vo-VIN Vo-Io IQ RR VNO Contek79L24 ELECTRICAL CHARACTERISTICS (Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified) TEST CONDITIONS VIN=-33V,Io=40mA VIN=-27~-38V,Io=40mA VIN=-33V,Io=1~100mA VIN=-33V,Io=40mA VIN=-29~ -35V, Io=40mA,ein=1Vp-p ,f=330Hz VIN=-33V, BW=10Hz~100kH,Io=40mA MIN -23.0 TYP -24.0 72 30 3.5 55 550 MAX -25.0 350 200 6.0 UNIT V mV mV mA dB mV 31 APPLICATION CIRCUIT Vi 2 Contek 79LXX 1 3 Vo C1 0.33 mF C0 1.0 mF www..com Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 4 79LXX Fig.1 Power dissipation vs. ambient temperature LINEAR INTEGRATED CIRCUIT Fig.2 Input Voltage vs. Output Voltage Fig.3 Load Characteristics C) (Tj=25 TYPICAL PERFORMANCE CHARACTERISTICS 500 Power Dissiapation(mW) -40 -40 Output Voltage(V) Output Voltage(V) 400 TO-92 -30 Contek79L24 -30 Contek79L24 VIN=-33V 300 -20 200 SOT-89 Contek79L15 Contek79L09 Contek79L05 -20 Contek79L15 Contek79L05 VIN=-23V VIN=-10V -10 -10 100 0 25 50 75 100 125 0 0 50 Ambient temperature( C) Output Current(mA) 100 150 200 250 Fig.4 Short Circuit Current C) (Tj=25 300 -40 Fig.5 Output Voltage vs. Junction temperature Fig.6 Output Voltage vs. ambient temperature 5.2 8.2 Output Voltage(V) Output Current(mA) -30 Output Voltage(V) 200 Contek79L24 VIN=-33V -5.1 Contek79L08 -8.1 -20 Contek79L15 VIN=-23V Contek79L05 VIN=-10V -5.0 Contek79L05 -8.0 -10 100 0 -4.9 -7.9 -4.8 -25 -7.8 -50 www..com 0 -10 Dropout Voltage(V) -20 -30 -40 Ambient temperature( 25 75 125 175 C) Ambient temperature( 0 50 100 150 C) Fig.7 Contek79L05 Dropout C) Characteristics (Tj=25 -5.0 -8.0 Fig.8 Contek79L08 Dropout Characteristics (Tj=25 C) 5 Fig.9 Current vs. Input C) Voltage(Io=0mA,Tj=25 Io =5 m A Io =5 m A 4 Quiescent current(mA) Contek79L24 Output Voltage(V) Io =4 0m A Output Voltage(V) Io =4 0m A 3 Io =1 00 m A -4.5 -7.5 Io =1 00 m A Contek79L05 2 1 -5.5 -6.0 -6.5 -8.5 -9.0 -9.5 0 0 -10 Input Voltage(V) Input Voltage(V) Input Voltage(V) -20 -30 -40 Contek Microelectronics Co.,Ltd. CONTEK http://www.contek-ic.com E-mail:sales@contek-ic.com 5 |
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