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LM317 Datasheet(PDF) 2 Page - Estek Electronics Co. Ltd |
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LM317 Datasheet(HTML) 2 Page - Estek Electronics Co. Ltd |
2 / 3 page Absolute Maximum Ratings OVER OPERATING TEMPERATURE RANGE (UNLESS OTHERWISE NOTED) Parameter Maximum Units Input-to-output differential voltage, VI - Vo 40 V Continuous total dissipation at 25 ° C free-air temperature 2 W Continuous total dissipation at (or below) 25 ° C case temperature 15 W Operating free-air, case, or virtual junction temperature range 0 to 125 ° C Storage temperature range -65 to 150 ° C Recommended Operating Conditions Parameter LM 317 Units min max Output current, I0 10 1500 mA Operating virtual junction temperature, TJ 0 125 ° C Electrical Characteristics Electrical Characteristics over recommended ranges of operating virtual junction temperature (unless other wise noted) (Note 1) Parameter Test Conditions* 317 Units Min Typ Max Input regulation (Note 2) VI-V0=3 V to 40 V, TJ = MIN to MAX 0.01 0.04 %/ V (Note 3) l0 = 10 mA to 1.5 A 0.02 0.07 Ripple rejection Vo=10 V, f=120 Hz 65 dB Vo=10 V, f=120 Hz 10-µF capacitor between ADJ and ground 66 80 Output regulation lo = 10 mA to 1.5 A, Vo ≤5 V 5 25 mV TJ= 25 ° C, (See Note 3) Vo > 5 V 0.1 0.5 % lo = 10 mA to 1.5 A, Vo ≤ 5 V 20 70 mV (Note 3) Vo > 5 V 0.3 1.5 % Output voltage change with temperature TJ = MIN to MAX 1 % Output voltage long-term drift (Note 4) After 1000 h at TJ = MAX and VI-Vo =40 V 0.3 1 % Output noise voltage f= 10 Hz to 10 kHz, TJ =25° C 0.003 % Minimum output current to maintain regulation VI-Vo = 40 V 3.5 10 mA Peak output current VI-Vo ≤ 15 V 1.5 2.2 A VI-Vo ≤ 40 V, TJ =25° C 0.15 0.4 Adjustment-terminal current 50 100 µA Change in adjustment-terminal current VI-Vo=2.5 V to 40 V, lo = 10 mA to 1.5 A Reference voltage (output to ADJ ) VI-Vo = 3 V to 40 V, lo=10 mA to 1.5 A, P ≤ 15W 0.2 5.0 µA 1.2 1.25 1.3 V BEIJING ESTEK ELECTRONICS CO.,LTD 2 |
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