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LP2992AIM5-2.5 Datasheet(PDF) 6 Page - Texas Instruments |
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LP2992AIM5-2.5 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 35 page LP2992 SNVS171I – NOVEMBER 2001 – REVISED NOVEMBER 2015 www.ti.com Electrical Characteristics (continued) Unless otherwise specified: VIN = VOUT(NOM) + 1 V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2 V. MIN (minimum) and MAX (maximum) limits apply over the recommended operating temperature range unless otherwise noted; typical limits apply for TA = TJ = 25°C. LP2992AI-X.X(1) LP2992I-X.X (1) PARAMETER TEST CONDITIONS TYP UNIT MIN MAX MIN MAX IL = 0 mA, TJ = 25°C 65 95 95 IL = 0 mA 125 125 IL = 1 mA, TJ = 25°C 75 110 110 IL = 1 mA 170 170 IL = 50 mA, TJ = 25°C 350 600 600 IL = 50 mA 1000 1000 IGND Ground pin current µA IL = 150 mA, TJ = 25°C 850 1500 1500 IL = 150 mA 2500 2500 IL = 250 mA, TJ = 25°C 1500 2300 2300 IL = 250 mA 4000 4000 VON/OFF < 0.3 V, TJ = 25°C 0.01 0.8 0.8 VON/OFF < 0.15 V 0.05 2 2 High = O/P ON 1.4 1.6 1.6 VON/OFF ON/OFF input voltage(3) V Low = O/P OFF 0.55 0.15 0.15 VON/OFF = 0 0.01 –2 –2 ION/OFF ON/OFF input current µA VON/OFF = 5 V 5 15 15 Bandwidth = 300 Hz to 50 kHz en Output noise voltage (RMS) COUT = 10 µF 30 µV CBYPASS = 10 nF f = 1 kHz, CBYPASS = 10 nF ΔVOUT/ΔVIN Ripple rejection 45 dB COUT = 10 µF IO(SC) Short-circuit current RL = 0 (steady state) (4) 400 mA IO(PK) Peak output current VOUT ≥ VO(NOM) – 5% 350 mA (3) The ON/OFF input must be properly driven to prevent possible mis-operation. For details, see Operation with ON/OFF Control. (4) The LP2992 has thermal foldback current limiting which allows a high peak current when VOUT > 0.5 V, and then reduces the maximum output current as VOUT is forced to ground (see Typical Characteristics curves). 6 Submit Documentation Feedback Copyright © 2001–2015, Texas Instruments Incorporated Product Folder Links: LP2992 |
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