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