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LP5912Q1.2DRVTQ1 Datasheet(PDF) 7 Page - Texas Instruments |
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LP5912Q1.2DRVTQ1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page 7 LP5912-Q1 www.ti.com SNVSAA8C – DECEMBER 2015 – REVISED SEPTEMBER 2016 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 TRANSITION CHARACTERISTICS ΔVOUT Line transients(9) For VIN ↑ and VOUT(NOM) ≥ 1.1 V: VIN = (VOUT(NOM) + 0.5 V) to (VOUT(NOM) + 1.1 V), VIN trise = 30 µs 1 mV For VIN ↑ and VOUT(NOM) < 1.1 V: VIN = 1.6 V to 2.2 V, VIN trise = 30 µs For VIN ↓ and VOUT(NOM) ≥ 1.1 V: VIN = (VOUT(NOM) + 1.1 V) to (VOUT(NOM) + 0.5 V) VIN tfall = 30 µs –1 For VIN ↓ and VOUT(NOM) < 1.1 V: VIN = 2.2 V to 1.6 V VIN tfall = 30 µs Load transients(9) IOUT = 5 mA to 500 mA IOUT trise = 10 µs –45 mV IOUT = 500 mA to 5 mA IOUT tfall = 10 µs 45 Overshoot on start-up(9) Stated as a percentage of VOUT(NOM) 5% tON Turnon time From VEN > VEN(ON) to VOUT = 95% of VOUT(NOM) 200 µs OUTPUT AUTO DISCHARGE RATE RAD Output discharge pulldown resistance VEN = 0 V, VIN = 3.6 V 100 Ω (1) The minimum capacitance must be greater than 0.5 μF over full range of operating conditions. The capacitor tolerance must be 30% or better over the full temperature range. The full range of operating conditions for the capacitor in the application must be considered during device selection to ensure this minimum capacitance specification is met. X7R capacitors are recommended however capacitor types X5R, Y5V, and Z5U may be used with consideration of the application conditions. (2) This specification is verified by design. 7.6 Output and Input Capacitors over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN(1) TYP MAX UNIT CIN Input capacitance(2) Capacitance for stability 0.7 1 µF COUT Output capacitance(2) 0.7 1 10 µF ESR Output voltage(2) 5 500 mΩ |
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