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LP5907SNX-2.75 Datasheet(PDF) 6 Page - Texas Instruments |
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LP5907SNX-2.75 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 36 page 6 LP5907 SNVS798L – APRIL 2012 – REVISED SEPTEMBER 2016 www.ti.com Product Folder Links: LP5907 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated Electrical Characteristics (continued) VIN = VOUT(NOM) + 1 V, VEN = 1.2 V, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF, unless otherwise stated. (1)(2)(3) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (10) There is a 1-MΩ resistor between EN and ground on the device. eN Output noise voltage(9) BW = 10 Hz to 100 kHz IOUT = 1 mA 10 µVRMS IOUT = 250 mA 6.5 RAD Output Automatic Discharge pulldown resistance VEN < VIL (output disabled) 230 Ω TSD Thermal shutdown TJ rising 160 °C Thermal hysteresis TJ falling from shutdown 15 LOGIC INPUT THRESHOLDS VIL Low input threshold VIN = 2.2 V to 5.5 V VEN falling until the output is disabled 0.4 V VIH High input threshold VIN = 2.2 V to 5.5 V VEN rising until the output is enabled 1.2 V IEN Input current at EN pin(10) VEN = 5.5 V and VIN = 5.5 V 5.5 µA VEN = 0 V and VIN = 5.5 V 0.001 TRANSIENT CHARACTERISTICS ΔVOUT Line transient(9) VIN = (VOUT(NOM) + 1 V) to (VOUT(NOM) + 1.6 V) in 30 µs –1 mV VIN = (VOUT(NOM) + 1.6 V) to (VOUT(NOM) + 1.6 V) in 30 µs 1 Load transient(9) IOUT = 1 mA to 250 mA in 10 µs –40 mV IOUT = 250 mA to 1mA in 10 µs 40 Overshoot on start-up(9) Stated as a percentage of VOUT(NOM) 5% tON Turnon time From VEN > VIH to VOUT = 95% of VOUT(NOM) TA = 25°C 80 150 µs (1) The minimum capacitance should be greater than 0.5 μF over the full range of operating conditions. The capacitor tolerance should 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 and conditions. (2) This specification is verified by design. 6.6 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/Input capacitance(2) 5 500 mΩ |
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