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LM2941CS Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM2941CS Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 10 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage (Survival Voltage, ≤ 100 ms) LM2941T, LM2941S 60V LM2941CT, LM2941CS 45V Internal Power Dissipation (Note 3) Internally Limited Maximum Junction Temperature 150˚C Storage Temperature Range −65˚C ≤ T J ≤ +150˚C Lead Temperature (Soldering, 10 seconds) TO-220 (T) Package 260˚C TO-263 (S) Package 260˚C ESD susceptibility to be determined. Operating Ratings Maximum Input Voltage 26V Temperature Range LM2941T −40˚C ≤ T J ≤ 125˚C LM2941CT 0˚C ≤ T J ≤ 125˚C LM2941S −40˚C ≤ T J ≤ 125˚C LM2941CS 0˚C ≤ T J ≤ 125˚C LM2941J −55˚C ≤ T J ≤ 125˚C LM2941WG −55˚C ≤ T J ≤ 125˚C Electrical Characteristics — LM2941T, LM2941S, LM2941J, LM2941WG 5V ≤ V O ≤ 20V, VIN = VO + 5V, CO = 22 µF, unless otherwise specified. Specifications in standard typeface apply for TJ = 25˚C, while those in boldface type apply over the full Operating Temperature Range. Parameter Conditions Typ LM2941J LM2941WG Limit (Note 2) (Note 4) LM2941T LM2941S Limit (Note 5) Units (Limits) Reference Voltage 5 mA ≤ I O ≤ 1A (Note 6) 1.275 1.237/1.211 1.237/1.211 V(min) 1.313/1.339 1.313/1.339 V(max) Line Regulation V O +2V ≤ VIN ≤ 26V, IO = 5 mA 4 10/10 10/10 mV/V(max) Load Regulation 50 mA ≤ I O ≤ 1A 7 10/10 10/10 mV/V(max) Output Impedance 100 mADC and 20 mArms 7 m Ω/V f O = 120 Hz Quiescent Current V O +2V ≤ VIN < 26V, IO = 5 mA 10 15/20 15/20 mA(max) V IN = VO + 5V, IO = 1A 30 45/60 45/60 mA(max) RMS Output Noise, 10 Hz–100 kHz 0.003 % % of V OUT I O = 5mA Ripple Rejection f O = 120 Hz, 1 Vrms, IL = 100 mA 0.005 0.02/0.04 0.02/0.04 %/V(max) Long Term Stability 0.4 %/1000 Hr Dropout Voltage I O = 1A 0.5 0.8/1.0 0.8/1.0 V(max) I O = 100 mA 110 200/200 200/200 mV(max) Short Circuit Current V IN max = 26V (Note 7) 1.9 1.6/1.3 1.6 A(min) Maximum Line V O max 1V above nominal VO 75 60/60 60/60 V(min) Transient R O = 100Ω,T ≤ 100 ms Maximum Operational Input Voltage 31 26/26 26/26 V DC Reverse Polarity DC Input Voltage R O = 100Ω,VO ≥ −0.6V −30 −15/−15 −15/−15 V(min) Reverse Polarity Transient Input Voltage T ≤ 100 ms, R O = 100Ω −75 −50/−50 −50/−50 V(min) ON/OFF Threshold Voltage ON I O ≤ 1A 1.30 0.80/0.80 0.80/0.80 V(max) ON/OFF Threshold Voltage OFF I O ≤ 1A 1.30 2.00/2.00 2.00/2.00 V(min) ON/OFF Threshold Current V ON/OFF = 2.0V, IO ≤ 1A 50 100/300 100/300 µA(max) www.national.com 2 |
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