LP38859 datasheet(6/25 Pages) TI

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LP38859

SNVS337F – JUNE 2006 – REVISED SEPTEMBER 2015

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Electrical Characteristics (continued)

Unless otherwise specified: VIN = VOUT(NOM) + 1 V, VBIAS = 3 V, IOUT = 10 mA, CIN = COUT = 10 µF, CBIAS = 1 µF, CSS = open.

Typical limits apply for TJ = 25°C; minimum and maximum limits apply over the junction temperature (TJ) range of -40°C to

+125°C, unless otherwise specified. Minimum and maximum limits are specified through test, design, or statistical correlation.

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC PARAMETERS

VIN = VOUT(NOM) + 1 V

ƒ = 120 Hz

PSRR

Ripple rejection for VIN input

(VIN)

voltage

VIN = VOUT(NOM) + 1 V

ƒ = 1 kHz

VBIAS = VOUT(NOM) + 3 V

f = 120 Hz

PSRR

Ripple rejection for VBIAS voltage

(VBIAS)

VBIAS = VOUT(NOM) + 3 V

ƒ = 1 kHz

Output noise density

ƒ = 120 Hz

µV/

√Hz

BW = 10 Hz

− 100 kHz, VOUT = 1.8 V

150

Output noise voltage

µVRMS

BW = 300 Hz

− 300 kHz, VOUT = 1.8

THERMAL PARAMETERS

Thermal shutdown junction

TSD

160

°C

temperature

TSD(HYS)

Thermal shutdown hysteresis

°C

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