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LM317L http://onsemi.com 6 LM317L Vin Vout Vout = 1.25 V RL Cin 0.1 mF Adjust R1 240 1% D1 * 1N4002 CO + 1 mF 14.30V 4.30V R2 1.65K 1% ** 10 mF + *D1 Discharges CAdj if Output is Shorted to Ground. f = 120 Hz VO **CAdj provides an AC ground to the adjust pin. Figure 4. Ripple Rejection Test Circuit Figure 5. Load Regulation Figure 6. Ripple Rejection Figure 7. Current Limit Figure 8. Dropout Voltage 0.4 0.2 0 −0.2 −0.4 −0.6 −0.8 −1.0 −50 −25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (°C) Vin = 45 V Vout = 5.0 V IL = 5.0 mA to 40 mA Vin = 10 V Vout = 5.0 V IL = 5.0 mA to 100 mA 80 70 60 50 −50 −25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (°C) IL = 40 mA f = 120 Hz Vout = 10 V Vin = 14 V to 24 V −50 −25 0 25 50 75 100 125 150 TJ, JUNCTION TEMPERATURE (°C) 2.5 2.0 1.5 1.0 0.5 IL = 5.0 mA IL = 100 mA 0.50 0.40 0.30 0.20 0.10 0 0 1020304050 Vin−Vout, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V) TJ = 25°C TJ = 150°C |
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