ISL9000AIRPLZ datasheet(7/13 Pages) INTERSIL

Part #	ISL9000AIRPLZ

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

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Manufacturer	INTERSIL [Intersil Corporation]

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ISL9000A

7

FN6391.2

March 26, 2014

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DEVICE START-UP CHARACTERISTICS

Device Enable Time

tEN

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

reaches 95% of the VOx(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

-0.3

0.5

V

Input High Voltage

VIH

1.4

VIN +

0.3

V

Input Leakage Current

IIL, IIH

0.1

µA

Pin Capacitance

CPIN

Informative

5

pF

POR1, POR2 PIN CHARACTERISTICS

POR1, POR2 Thresholds

VPOR+

As a percentage of nominal output voltage

91

94

97

%

VPOR-

87

90

93

%

POR1 Delay

tP1LH

1.0

2.0

3.0

ms

tP1HL

25

µs

POR2 Delay

tP2LH

CPOR = 0.01µF

100

200

300

ms

tP2HL

25

µs

POR1, POR2 Pin Output Low

Voltage

VOL

@ IOL = 1.0mA

0.2

V

POR1, POR2 Pin Internal

Pull-Up Resistance

RPOR

78

100

180

k

Ω

NOTES:

6. Limits established by characterization and are not production tested.

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

8. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization

and are not production tested.

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 + 0.5V) to 6.5V with a minimum VIN of 2.3V; CIN = 1µF; CO = 1µF; CBYP = 0.01µF;

CPOR = 0.01µF. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 8) TYP

MAX

(Note 8)

UNITS

VPOR+

VPOR-

<tP1HL

tP2LH

tP1LH

tP1HL

tP2HL

<tP2HL

VO1

VO2

POR1

POR2

EN2

tEN

VPOR-

FIGURE 2. TIMING PARAMETER DEFINITION

EN1

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