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LP5912

SNVSA77D – DECEMBER 2015 – REVISED NOVEMBER 2016

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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