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LM2941-MD8 Datasheet(PDF) 6 Page - Texas Instruments |
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LM2941-MD8 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 30 page LM2941, LM2941C SNVS770I – JUNE 1999 – REVISED JANUARY 2015 www.ti.com Electrical Characteristics: LM2941T, LM2941S, LM2941LD (continued) 5 V ≤ VOUT ≤ 20 V, VIN = VOUT + 5 V, COUT = 22 μF, unless otherwise specified. MIN (minimum) and MAX (maximum) specifications in apply over the full Operating Temperature Range (unless otherwise specified) and typical values apply at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ON/OFF threshold IOUT ≤ 1 A 1.30 0.80 voltage ON V ON/OFF threshold IOUT ≤ 1 A 2 1.3 voltage OFF VON/OFF = 2 V, IOUT ≤ 1 A 50 300 ON/OFF threshold μA current VON/OFF = 2 V, IOUT ≤ 1 A, TJ = 25°C 50 100 6.6 Electrical Characteristics: LM2941CT, LM2941CS 5 V ≤ VOUT ≤ 20 V, VIN = VOUT + 5 V, COUT = 22 μF, unless otherwise specified. MIN (minimum) and MAX (maximum) specifications in apply over the full Operating Temperature Range (unless otherwise specified) and typical values apply at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 5 mA ≤ IOUT ≤ 1 A (1) 1.211 1.275 1.339 Reference voltage V 5 mA ≤ IOUT ≤ 1 A (1), T J = 25°C 1.237 1.275 1.313 VOUT + 2 V ≤ VIN ≤ 26 V, IOUT = 5 mA, TJ = Line regulation 4 10 mV/V 25°C Load regulation 50 mA ≤ IOUT ≤ 1 A, TJ = 25°C 7 10 mV/V Output impedance 100 mADC and 20 mArms, ƒOUT = 120 Hz 7 m Ω/V VOUT + 2 V ≤ VIN < 26 V, IOUT = 5 mA, TJ = 10 15 mA 25°C Quiescent current VIN = VOUT + 5 V, IOUT = 1 A 30 60 mA VIN = VOUT + 5 V, IOUT = 1 A, TJ = 25°C 30 45 10 Hz to 100 kHz 0.003% RMS output noise, % of VOUT IOUT = 5 mA Ripple rejection ƒOUT = 120Hz, 1 Vrms, IL = 100 mA, TJ = 25°C 0.005 0.02 %/V Long-term stability 0.4 %/1000 Hr IOUT = 1A 0.5 1 V Dropout voltage IOUT = 1A, TJ = 25°C 0.5 0.8 IOUT = 100 mA 110 200 mV Short-circuit current VIN max = 26 V (2), T J = 25°C 1.6 1.9 A VOUT max 1 V above nominal VOUT, ROUT = 100 55 Maximum line transient 45 V Ω, t ≤ 100 ms, , TJ = 25°C Maximum operational input TJ = 25°C 26 31 VDC voltage Reverse polarity ROUT = 100 Ω, VOUT ≥ −0.6 V, TJ = 25°C −15 −30 DC input voltage V Reverse polarity t ≤ 100 ms, ROUT = 100 Ω, TJ = 25°C −45 −55 transient input voltage ON/OFF threshold IOUT ≤ 1 A, TJ = 25°C 1.3 0.8 voltage ON V ON/OFF threshold IOUT ≤ 1 A, TJ = 25°C 2 1.3 voltage OFF ON/OFF threshold VON/OFF = 2 V, IOUT ≤ 1 A, TJ = 25°C 50 100 μA current (1) The output voltage range is 5 V to 20 V and is determined by the two external resistors, R1 and R2. See Typical Application. (2) Output current capability will decrease with increasing temperature, but will not go below 1 A at the maximum specified temperatures. 6 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated Product Folder Links: LM2941 LM2941C |
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