7924*
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 -40 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=-33V,Io=0.5A,Ci=2.2mkF,Co=1.0mkF,Tj=0+125C, unless otherwise noted.) Characteristic Symbol Norm Unit Min TYP Max Output Voltage(Tj=25C) Vo -23 -25 V Vo Output Voltage (5.0mAIo1.0A,Po15W) -22,8 -25,2 V -27VVin-38V Line Regulation(Tj=+25C, Io=0,1A) Vv 240 mV -27 VVin-38 V 120 -30VVin-36 V (Tj=+25C, Io=0,5A) 470 -27 VVin-38 V 240 -30VVin-36 V Load Regulation(Tj=+25C) mV Vi 480 5.0mAIo1.5A 240 0.25AIo0.75A Quiescent Current(Tj=+25C) Ib 8.0 mA 1.0 mA Quiescent Current Change -27 VVin-38 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 1 mV/ Voltage C
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