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LP5912Q1.5DRVTQ1 Datasheet(PDF) 6 Page - Texas Instruments |
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LP5912Q1.5DRVTQ1 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 33 page 6 LP5912-Q1 SNVSAA8C – DECEMBER 2015 – REVISED SEPTEMBER 2016 www.ti.com Product Folder Links: LP5912-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) VIN = VOUT(NOM) + 0.5 V or 1.6 V, whichever is greater; VEN = 1.3 V, CIN = 1 µF, COUT = 1 µF, IOUT = 1 mA (unless otherwise stated). (1)(2)(3) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (9) This specification is ensured by design. (10) There is a 3-MΩ pulldown resistor between the EN pin and GND pin on the device. VIN to VOUT RIPPLE REJECTION PSRR Power Supply Rejection Ratio(9) ƒ = 100 Hz, VOUT ≥ 1.1 V, IOUT = 20 mA 80 dB ƒ = 1 kHz, VOUT ≥ 1.1 V, IOUT = 20 mA 75 ƒ = 10 kHz, VOUT ≥ 1.1 V, IOUT = 20 mA 65 ƒ = 100 kHz, VOUT ≥ 1.1 V, IOUT = 20 mA 40 ƒ = 100 Hz, 0.8 V < VOUT < 1.1 V, IOUT = 20 mA 65 ƒ = 1 kHz, 0.8 V < VOUT < 1.1 V, IOUT = 20 mA 65 ƒ = 10 kHz, 0.8 V < VOUT < 1.1 V, IOUT = 20 mA 65 ƒ = 100 kHz, 0.8 V < VOUT < 1.1 V, IOUT = 20 mA 40 OUTPUT NOISE VOLTAGE eN Noise voltage IOUT = 1 mA, BW = 10 Hz to 100 kHz 12 µVRMS IOUT = 500 mA, BW = 10 Hz to 100 kHz 12 THERMAL SHUTDOWN TSD Thermal shutdown temperature 160 °C THYS Thermal shutdown hysteresis 15 °C LOGIC INPUT THRESHOLDS VEN(OFF) OFF threshold VIN = 1.6 V to 6.5 V VEN falling until device is disabled 0.3 V VEN(ON) ON threshold 1.6 V ≤ VIN ≤ 6.5 V VEN rising until device is enabled 1.3 IEN Input current at EN pin(10) VEN = 6.5 V, VIN = 6.5 V 2.5 µA VEN = 0 V, VIN = 3.3 V 0.001 PGHTH PG high threshold (% of nominal VOUT) 94% PGLTH PG low threshold (% of nominal VOUT) 90% VOL(PG) PG pin low-level output voltage VOUT < PGLTH, sink current = 1 mA 100 mV IlKG(PG) PG pin leakage current VOUT < PGHTH, VPG = 6.5 V 1 µA tPGD PG delay time Time from VOUT > PG threshold to PG toggling 140 µs |
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