7808

ICS TECHNOLOGY CO., LTD SHENZHEN HAOLIN ELECTRONICS TECHNOLOGY CO., LTD TO-220-3L Plastic-Encapsulate Voltage Regulators TO-220-3L 7808 Three-terminal positive voltage regulator 1. IN 2. GND FEATURES Maximum Output current IOM: 1.5 A Output voltage Vo: 8 V Continuous total dissipation PD: 1.5 W (Ta= 25 ℃) 15W (Tc=25 ℃) 3. OUT ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit 35 V Input Voltage Vi Thermal Resistance from Junction to Ambient RθJA 83.3 ℃/W Thermal Resistance from Junction to Case RθJC 8.3 ℃/W Operating Junction Temperature Range Storage Temperature Range TOPR 0~+150 ℃ TSTG -55~+150 ℃ ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE(Vi=14V,Io=500mA, Ci=0.33μF, Co=0.1μF, unless otherwise specified ) Parameter Symbol Output Voltage Vo Load Regulation 10.5V≤V i≤23V, Io=5mA-1A, P≤15W ∆Vo Line Regulation ∆Vo Quiescent Current Iq Quiescent Current Change Output Voltage Drift Test conditions ∆Iq ∆VO/∆T Max Unit 25℃ 7.7 8 8.3 V 0-125℃ 7.6 8 8.4 V 25℃ 12 160 mV Io=250mA-750mA 25℃ 4 80 mV 10.5V≤V i≤25V 25℃ 6 160 mV 11V≤V i≤17V 25℃ 2 80 mV 25℃ 4.3 8 mA 10.5V≤V i≤25V 0-125℃ 1 mA 5mA≤IO≤1A 0-125℃ 0.5 mA IO=5mA 0-125℃ -0.8 mV/℃ 25℃ 52 μV 72 dB 2 V VN 10Hz≤f≤100KHz Ripple Rejection RR 11.5V≤V i≤21.5V,f=120Hz Dropout Voltage Vd Io=1A RO Typ Io=5mA-1.5A Output Noise Voltage Output Resistance Min 0-125℃ 25℃ f=1KHZ 25℃ 55 10 mΩ Short Circuit Current Isc 25℃ 450 mA Peak Current Ipk 25℃ 2.2 A TYPICAL APPLICATION Vi 1 3 Vo 7808 UTC Ci 0.33μF 2 Co 0.1μF D,Jul,2012 7808 Typical Characterisitics Dropout Characteristics Output Characteristics 10 10 Ta=25℃ IO=0mA Ta=25℃ 8 OUTPUT VOLTAGE 4 2 0 =0 m 6 I 6 O VO A (V) (V) OUTPUT VOLTAGE VO Pulsed 8 Pulsed IO=250mA、500mA、750mA、1A、1.5A 4 2 0 0 5 10 15 20 INPUT VOLTAGE VIN 25 30 35 5 (mA) Vin=14V Ta=25℃ Ta=25℃ (mA) Pulsed IQ 2 2.5 QUIESCENT CURRENT IQ IO=0mA Pulsed 1 0 5 10 15 20 INPUT VOLTAGE 2.0 1.5 VIN 25 30 1.0 0.0 35 0.3 0.6 0.9 OUTPUT CURRENT (V) Output Voltage vs Ambient Temperature IO 1.2 1.5 2.0 2.5 (A) Current Cut-off Grid Voltage 10 12 Vin=14V VIN=14V IO=500mA 9 (V) Pulsed Ta=25℃ Pulsed 8 VO 9 OUTPUT VOLTAGE (V) 20 (V) 3.0 0 OUTPUT VOLTAGE VO 15 VIN Quiescent Current vs Output Current Quiescent Current vs Input Voltage 3 QUIESCENT CURRENT 10 INPUT VOLTAGE (V) 6 7 6 5 3 4 -25 0 25 50 AMBIENT TEMPERATURE 75 TJ 100 125 (℃ ) 3 0.0 0.5 1.0 1.5 OUTPUT CURRENT IO (A) Power Derating Curve 1.5 POWER DISSIPATION PD (W) 2.0 1.0 0.5 0.0 0 25 50 75 AMBIENT TEMPERATURE 100 TJ 125 (℃ ) 150 D,Jul,2012