AP3428 datasheet(5/13 Pages) DIODES

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AP3428/A

Document number: DS37417 Rev. 2 - 2

5 of 13

www.diodes.com

June 2016

AP3428/A

Electrical Characteristics (@TA = +25ºC, VIN = 5.0V, VOUT = 2.5V, COUT = 10µF, L = 2.2µH, unless otherwise specified.)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN

Input Voltage Range

–

2.5

–

5.5

VOUT

Output Voltage Range

–

0.6

–

VIN

Quiescent Current

VFB = 0.65V

–

µA

ISD

Shutdown Current

VEN = 0V

–

0.1

µA

VFB

Regulated Feedback Voltage

–

0.588

0.6

0.612

IFB

FB Leakage Current

VFB = 1V

–

0.2

µA

ILIM

Peak Inductor Current

–

1.3

–

fOSC

Oscillator Frequency

–

1.5

–

MHz

RDS(ON)

Drain-Source On-State

Resistance

ISW = 100mA High Side

–

250

–

mΩ

ISW = 100mA Low Side

–

170

–

mΩ

RDISCH

Output Discharge Switch On

Resister

–

2.1

–

Ω

VENH

EN Threshold High

–

1.5

–

VENL

EN Threshold Low

–

0.4

IEN

EN Leakage Current

VIN= VEN =5V

-1.0

–

1.0

µA

VUVLO

Input UVLO Threshold

–

2.4

2.7

VHYS

UVLO Hysteresis

–

0.1

–

TOTP

Over Temperature Protection

–

+160

–

°C

TOTH

OTP Hysteresis

–

+15

–

°C

tSS

Soft-start Time

–

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