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ISL9011A

Dual LDO with Low Noise, Low IQ, and High PSRR

Intersil 

ISL9011A

Electrical Specifications

Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature

range of the device as follows: TA = -40°C to +85°C; VIN = (VO+1.0V) to 6.5V with a minimum VIN of 2.3V;

CIN = 1μF; CO = 1μF; CBYP = 0.01μF (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNITS

DEVICE START-UP CHARACTERISTICS

Device Enable TIme

tEN Time from assertion of the ENx pin to when the output voltage

reaches 95% of the VO(nom)

250 500

µs

LDO Soft-Start Ramp Rate

tSSR Slope of linear portion of LDO output voltage ramp during start-

up

30

60

µs/V

EN1, EN2 PIN CHARACTERISTICS

Input Low Voltage

VIL

Input High Voltage

VIH

Input Leakage Current

IIL, IIH

Pin Capacitance

CPIN Informative

NOTE:

6. VOx = 0.98 * VOx(NOM); Valid for VOx greater than 1.85V.

-0.3

0.5

V

1.4

VIN +0.3 V

0.1

µA

5

pF

4

FN6437.0

January 30, 2007

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