7908*
THREE-TERMINAL NEGATIVE VOLTAGE REGULATOR IC
FEATURES: - OUTPUT CURRENT IN EXCESS OF 1A; - NO EXTERNAL COMPONENTS REQUIRED; - INTERNAL SHORT CIRCUIT CURRENT LIMITING; - INTERNAL THERMAL OVERLOAD PROTECTION; - OUTPUT TRANSISTOR SAFE-AREA COMPENSATION; - OUTPUT VOLTAGE OFFERED IN 4% TOLERANCE.
ABSOLUTE MAXIMUM RATINGS (Ta= 25 C) Characteristic Symbol Norm Unit TO-220 Input Voltage Vin V -35 Maximum Dissipated Ptot(max) W 15 Power(with heat sink) Maximum Dissipated Ptot(max) W 1.5 Power(without heat sink) Thermal Resistance OjC C/W 5.0 1 Junction to Case 1. GND Thermal Resistance, OjA C/W 65 2. Input Junction to Air 3. Output C 150 Junction Temperature Tj Tc=-45/+70C ELECTRICAL CHARACTERISTICS (Vin=-14V,Io=0.5A,Ci=2.2mkF,Co=1.0mkF,Tj=0+125C, unless otherwise noted.) Characteristic Symbo Norm Unit l Min TYP Max Output Voltage(Tj=25C) Vo -7.7 -8.3 V Vo Output Voltage (5.0mAIo1.0A,Po15W) -7.6 -8.4 V -10,5VVin-23V Line Regulation(Tj=+25C, Io=0,1A) Vv 80 mV -10,5 VVin-25 V 40 -11VVin-17 V (Tj=+25C, Io=0,5A) 160 -10,5 VVin-25 V 80 -11VVin-17 V Load Regulation(Tj=+25C) mV Vi 160 5.0mAIo1.5A 80 0.25AIo0.75A Quiescent Current(Tj=+25C) Ib 8.0 mA 1.0 mA Quiescent Current Change -10.5 VVin-25 V Ib 0.5 5.0mAIo1.5 A Dropout Voltage (Io=1.0A,Tj=+25C) Vi-Vo 2.0 V Average Temperature Coefficient of Output TCVo 0,5 mV/C Voltage
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