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LP5910 数据表(PDF) 6 Page - Texas Instruments |
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LP5910 数据表(HTML) 6 Page - Texas Instruments |
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6 / 29 page ![]() 6 LP5910 SNVSA91C – SEPTEMBER 2015 – REVISED JUNE 2016 www.ti.com Product Folder Links: LP5910 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Unless otherwise specified, VIN = VOUT(NOM) + 0.5 V, VEN = 1 V, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF. (1)(2)(3) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (10) There is a 1-MΩ resistor between EN and ground on the device. LOGIC INPUT THRESHOLDS VIL EN low threshold (Off) VIN = 1.3 V to 3.3 V 0.3 V VIH EN high threshold (On) 1 IEN EN pin current(10) VEN = 3.3 V, VIN = 3.3 V 3.3 µA VEN = 0 V, VIN = 3.3 V 0.001 TRANSIENT CHARACTERISTICS (10) ΔVOUT Line transient(9) VIN = (VOUT(NOM) + 0.5 V) to (VOUT(NOM) + 1 V) in 30 µs IOUT = 1 mA 0 1 mV VIN = (VOUT(NOM) + 1 V) to (VOUT(NOM) + 0.5 V) in 30 µs IOUT = 1 mA –1 0 Load transient(9) IOUT = 1 mA to 100 mA in 10 µs –45 mV IOUT = 100 mA to 1 mA in 10 µs 45 Overshoot on start-up(9) 5% tON Turnon time From VEN > VIH to VOUT = 95% of VOUT(NOM) 80 200 µs OUTPUT DISCHARGE RAD Output discharge pulldown resistance VEN = 0 V, VIN = 2.3 V 160 Ω |
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