AP3418 datasheet(4/11 Pages) DIODES

4 / 11 page

AP3418

Document number: DS37233 Rev. 3 - 2

4 of 11

www.diodes.com

November 2014

AP3418

A Product Line of

Diodes Incorporated

Electrical Characteristics (VIN = 5V, TA = +25ºC, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIN

Input Voltage

–

2.5

–

5.5

Quiescent Current

VFB = 0.65V

–

100

µA

ISTBY

Shutdown Supply Current

VEN = GND

–

0.1

µA

VREF

Reference Voltage

For Adjustable Output

Voltage

0.588

0.6

0.612

IFB_H

Feedback Bias Current

VFB = 1V

-0.1

–

0.1

µA

IFB_L

VFB = 0V

-0.1

–

0.1

RDS(ON)_ P

PMOSFET RON

ISW = 200mA

–

0.2

–

Ω

RDS(ON) _N

NMOSFET RON

ISW = -200mA

–

0.15

–

Ω

ILIM

Switch Current Limit

VFB = 0.55V

1.8

2.3

–

EN Pin Threshold

–

1.5

–

0.4

VUVLO

UVLO Threshold

VIN Rising

–

2.3

–

VHYS

UVLO Hysteresis

–

0.2

–

fOSC

Oscillator Frequency

–

1.12

1.40

1.68

MHz

DMAX

Max. Duty Cycle

–

100

–

DMIN

Min. Duty Cycle

–

ISW_H

SW Leakage Current

VSW = 0V

–

0.1

–

µA

ISW_L

VSW = 5V

–

0.1

–

tSS

Soft-start Time

–

TOTSD

Thermal Shutdown

–

+160

–

ºC

THYS

Thermal Shutdown Hysteresis

–

+20

–

ºC

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