UTC 79LXX LINEAR INTEGRATED CIRCUIT 3-TERMINAL 0.1A NEGATIVE VOLTAGE REGULATOR SOP-8 DESCRIPTION The UTC 79LXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 100mA. 1 TO-92 FEATURES 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 SOP-8 : 1. Vout ; 2,3,6,7 Vin ; 5. GND; 4,8 NC TO-92 : 1: GND 2: Input 3: Output SOT-89: 1: GND 2: Input 3: Output TEST CIRCUIT GND OUTPUT INPUT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R101-003,C UTC 79LXX LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified ) PARAMETER SYMBOL VALUE UNIT Input voltage(for Vo=-5~-9V) (for Vo=-12~-15V) (for Vo=-18~-24V) VI -30 V VI -35 V Power Dissipation PD VI 350 (SOT-89) 300 (SOP-8) mW 500 (TO-92) Operating Junction Temperature Range TOPR -30 ~ +125 °C Storage Temperature Range TSTG -40 ~ +125 °C UTC79L05 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, 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-VIN 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 µV 120 UTC79L06 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, 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-VIN 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 -6.24 150 60 6.0 V mV mV mA dB VNO 41 µV 120 UTC79L08 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage UTC SYMBOL Test conditions MIN TYP MAX UNIT Vo Vo-VIN 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 UNISONIC TECHNOLOGIES 39 µV 190 CO., LTD. 2 QW-R101-003,C UTC 79LXX LINEAR INTEGRATED CIRCUIT UTC79L09 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, 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-VIN 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 µV 210 UTC79L12 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL TEST CONDITIONS Vo Vo-VIN 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 VNO MIN TYP MAX UNIT -11.52 -12.0 -12.48 36 250 16 100 3.5 6.0 37 64 V mV mV mA dB 210 µV UTC79L15 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL TEST CONDITIONS Vo Vo-VIN 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 VNO TYP MAX UNIT -14.4 -15.0 45 20 3.5 34 63 MIN -15.6 300 150 6.0 V mV mV mA dB µV 340 UTC79L18 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage UTC SYMBOL TEST CONDITIONS Vo Vo-VIN 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 VNO UNISONIC TECHNOLOGIES MIN TYP MAX UNIT -17.28 -18.0 -18.72 54 300 23 170 3.5 6.0 33 60 V mV mV mA dB 410 µV CO., LTD. 3 QW-R101-003,C UTC 79LXX LINEAR INTEGRATED CIRCUIT UTC79L24 ELECTRICAL CHARACTERISTICS (Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified) PARAMETER Output Voltage Line Regulation Load Regulation Quiescent current Ripple Rejection Output Noise Voltage SYMBOL TEST CONDITIONS Vo Vo-VIN 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 VNO MIN TYP MAX UNIT -23.04 -24.0 -24.96 72 350 30 200 3.5 6.0 31 55 V mV mV mA dB 550 µV APPLICATION CIRCUIT Vi 2 C1 0.33 µF UTC UTC79LXX 1 Vo 3 C0 0.1 µF UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R101-003,C UTC 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 (Tj=25°C) -40 300 SOT-89 200 -40 -30 UTC79L24 -20 UTC79L15 UTC79L09 -10 100 UTC79L05 0 25 50 75 100 Output Voltage(V) TO-92 400 Output Voltage(V) Power Dissiapation(mW) 500 VIN=-33V -30 UTC79L24 -20 UTC79L15 -10 VIN=-23V UTC79L05 VIN=-10V 0 125 0 50 Ambient temperature(°C ) 100 150 200 250 Output Current(mA) Fig.4 Short Circuit Current (Tj=25°C) Fig.5 Output Voltage vs. Junction temperature Fig.6 Output Voltage vs. ambient temperature 300 200 5.2 -30 -20 -10 UTC79L24 VIN=-33V UTC79L15 VIN=-23V UTC79L05 VIN=-10V Output Voltage(V) Output Voltage(V) Output Current(mA) -40 8.2 -5.1 -8.1 UTC79L08 -5.0 -8.0 UTC79L05 -4.9 -7.9 100 0 0 -10 -20 -30 -40 -4.8 -25 25 75 125 175 -7.8 -50 Dropout Voltage(V) Ambient temperature(°C ) Fig.7 UTC79L05 Dropout Characteristics (Tj=25°C) Fig.8 UTC79L08 Dropout Characteristics (Tj=25°C) 0 50 100 150 Ambient temperature(°C ) Fig.9 Current vs. Input Voltage(Io=0mA,Tj=25°C) 5 -8.0 A Quiescent current(mA) Io =5 m A Io =1 00 m -4.5 4 Io =4 0m A Output Voltage(V) A Io =1 00 m Io =4 0m A Output Voltage(V) Io =5 m A -5.0 -7.5 UTC79L24 3 UTC79L05 2 1 0 -5.5 -6.0 -6.5 Input Voltage(V) UTC -8.5 -9.0 -9.5 0 Input Voltage(V) UNISONIC TECHNOLOGIES -10 -20 -30 -40 Input Voltage(V) CO., LTD. 5 QW-R101-003,C