LP5910 datasheet(6/31 Pages) TI

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6.5 Electrical Characteristics (continued)

VIN = VOUT(NOM) + 0.5 V, VEN = 1 V, IOUT = 1 mA, CIN = 1 µF, and COUT = 1 µF (unless otherwise noted)(1) (2) (3)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PSRR

Power supply rejection ratio(10)

ƒ = 100 Hz, IOUT = 20 mA, VOUT ≥ 1 V

ƒ = 1 kHz, IOUT = 20 mA, VOUT ≥ 1 V

ƒ = 10 kHz, IOUT = 20 mA, VOUT ≥ 1 V

ƒ = 100 kHz, IOUT = 20 mA, VOUT ≥ 1 V

ƒ = 2 MHz, IOUT = 20 mA, VOUT ≥ 1 V

ƒ = 100 Hz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

ƒ = 1 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

ƒ = 10 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

ƒ = 100 kHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

ƒ = 2 MHz, IOUT = 20 mA, 0.8 V < VOUT < 1 V

Output noise voltage(10)

BW = 10 Hz to 100 kHz

IOUT = 1 mA

µVRMS

IOUT = 300 mA

TSD

Thermal shutdown

TJ rising until output is OFF

160

°C

Thermal hysteresis

TJ falling from shutdown

LOGIC INPUT THRESHOLDS

VIL

EN low threshold (Off)

VIN = 1.3 V to 3.3 V

0.3

VIH

EN high threshold (On)

IEN

EN pin current(9)

VEN = 3.3 V, VIN = 3.3 V

3.3

µA

VEN = 0 V, VIN = 3.3 V

0.001

TRANSIENT CHARACTERISTICS(9)

ΔVOUT

Line transient(10)

VIN = (VOUT(NOM) + 0.5 V) to (VOUT(NOM) + 1 V)

in 30 µs

IOUT = 1 mA

VIN = (VOUT(NOM) + 1 V) to (VOUT(NOM) + 0.5 V)

in 30 µs

IOUT = 1 mA

–1

Load transient(10)

IOUT = 1 mA to 100 mA in 10 µs

–45

IOUT = 100 mA to 1 mA in 10 µs

Overshoot on start-up(10)

tON

Turnon time

From VEN > VIH to VOUT = 95% of VOUT(NOM)

200

µs

OUTPUT DISCHARGE

RAD

Output discharge pulldown

resistance

VEN = 0 V, VIN = 2.3 V

160

(1)

All voltages are with respect to the device GND pin.

(2)

Minimum and maximum limits are ensured through test, design, or statistical correlation over the TJ range of –40°C to 125°C, unless

otherwise stated. Typical values represent the most likely parametric norm at TA = 25°C, and are provided for reference purposes only.

(3)

CIN, COUT: Low-ESR Surface-Mount-Ceramic Capacitors (MLCCs) used in setting electrical characteristics.

(4)

The device maintains a stable, regulated output voltage without a load current.

(5)

Quiescent current is defined here as the difference in current between the input voltage source and the load at VOUT. IQ = (IIN – IOUT)

(6)

Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device.

(7)

Output reverse current (IRO) is measured at the IN pin.

(8)

Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its

nominal value. Dropout voltage is not a valid condition for output voltages less than 1.3 V as compliance with the minimum operating

input voltage can not be ensured.

(9)

There is a 1-MΩ resistor between EN and ground on the device.

(10) This specification is verified by design.

LP5910

SNVSA91F – SEPTEMBER 2015 – REVISED APRIL 2021

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