AP3441 datasheet(5/15 Pages) DIODES

5 / 15 page

AP3441/L

Document number: DS39754 Rev. 1 - 2

5 of 15

www.diodes.com

March 2018

AP3441/L

Electrical Characteristics (@TA = +25ºC, VIN = 5.0V, VOUT = 2.5V, COUT = 22µF*2, L = 2.2µH, unless otherwise specified.)

Symbol

Parameters

Conditions

Min

Typ

Max

Unit

VIN

Input Voltage Range

–

2.7

–

5.5

VOUT

Output Voltage Range

–

0.6

–

VIN

Quiescent Current

VFB = 0.65V

–

µA

ISD

Shutdown Current

VEN = 0V

–

0.1

µA

VUVLO

Input UVLO Threshold

VIN Rises

–

2.4

2.5

VHYS

Input UVLO Hysteresis

VIN Falls

–

0.2

–

Feedback Input

VFB

Regulated Feedback Voltage

–

0.591

0.6

0.609

IFB

FB Leakage Current

VFB = 1V

–

0.2

µA

ILIM

Peak Inductor Current

–

3.5

–

Oscillator

fOSC

Oscillator Frequency

–

0.8

1.2

MHz

DMAX

Maximum Duty Cycle

–

100

–

MOSFET

RDS(ON)

Drain-Source On-State

Resistance

ILX = 100mA High Side

–

mΩ

ILX = 100mA Low Side

–

mΩ

RDISCH

Output Discharge Switch On

Resister

–

Ω

EN Pin

VENH

EN Threshold High

–

1.5

–

VENL

EN Threshold Low

–

0.4

IEN

EN Leakage Current

VIN= VEN =5V

-1.0

–

1.0

µA

Protection

VSCP

Short Circuit Protection Latch

Off Threshold

AP3441L only

–

0.42

–

tDELAY_SCP

Short Circuit Protection Delay

Time

–

TOTP

Over Temperature Protection

–

+150

–

°C

TDTH

OTP Hysteresis

–

+20

–

°C

VOVP

Vout Over Voltage Protection

AP3441L only

–

0.72

–

VIOVP

VIN Over Voltage Protection

VIN Rises

–

6.3

–

VIHSY

IOVP Hysteresis

VIN Falls

–

0.35

–

Soft Start

tSS

Soft-start Time

–

0.7

1.0

1.3

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