7805 ETC | Alldatasheet
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Technical content
7805 THREE-TERMINAL POSITIVE 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 Input Voltage Vin V 35 Maximum Dissipated Power(with heat sink) Ptot(max) W 15 Maximum Dissipated Power(without heat sink) Ptot(max) W 1.5 Thermal Resistance Junction to Case OjC °C/W 5.0 Thermal Resistance, Junction to Air OjA °C/W 65 Junction Temperature Tj 150 °C TO-220 1. Input 2. GND 3. Output Tc=-45÷+70°C
ELECTRICAL CHARACTERISTICS
(Vin=10V,Io=0.5A,Ci=0.33mkF,Co=0.1mkF,Tj=0+125°C, unless otherwise noted.) Characteristic Symbo l Norm Unit Min TYP Max Output Voltage(Tj=25°C) Vo 4.8 5.2 V Output Voltage (5.0mA≤Io≤1.0A,Po≤15W) 7.0V≤Vin≤20V Vo 4.75 5.25 V Line Regulation(Tj=+25°C) 7.0V≤Vin≤25 V
8.0 V≤Vin≤12 V
∆Vv 100 mV Load Regulation(Tj=+25°C) 5.0mA≤Io≤1.5A 0.25A≤Io≤0.75A ∆Vi 100 mV Quiescent Current(Tj=+25°C) Ib 8.0 mA Quiescent Current Change7.0 V≤Vin≤25 V 5.0mA≤Io≤1.0 A ∆Ib 1.3 0.5 mA Dropout Voltage(Io=1.0A,Tj=+25°C) Vi-Vo 2.0 V Short Circuit Current Limit(Ta=+25°C),Vin=35V Isс 0.4 A Peak Output Current(Tj=+25°C) Imax 2.2 A Average Temperature Coefficient of Output Voltage TCVo 0.3 mV/°C