AP3441/L

Document number: DS39754 Rev. 3 - 2

5 of 13

www.diodes.com

September 2019

© Diodes Incorporated

AP3441/L

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

Symbol

Parameters

Conditions

Min

Typ

Max

Unit

VIN Pin

VIN

Input Voltage Range

—

2.7

—

5.5

V

VOUT

Output Voltage Range

—

0.6

—

VIN

V

IQ

Quiescent Current

VFB = 0.65V

—

55

—

µA

ISD

Shutdown Current

VEN = 0V

—

0.1

1

µA

VUVLO

Input UVLO Threshold

VIN Rises

—

2.4

2.5

V

VHYS

Input UVLO Hysteresis

VIN Falls

—

0.2

—

V

Feedback Input

VFB

Regulated Feedback Voltage

—

0.591

0.6

0.609

V

IFB

FB Leakage Current

VFB = 1V

—

—

0.2

µA

ILIM

Peak Inductor Current

—

3.5

—

—

A

Oscillator

fOSC

Oscillator Frequency

—

0.8

1

1.2

MHz

DMAX

Maximum Duty Cycle

—

100

—

—

%

MOSFET

RDS(ON)

Drain-Source On-State

Resistance

ILX = 100mA High Side

—

72

—

mΩ

ILX = 100mA Low Side

—

53

—

mΩ

RDISCH

Output Discharge Switch On

Resister

—

—

50

—

Ω

EN Pin

VENH

EN Threshold High

—

1.5

—

—

V

VENL

EN Threshold Low

—

—

—

0.4

V

IEN

EN Leakage Current

VIN= VEN =5V

-1.0

—

1.0

µA

Protection

VSCP

Short Circuit Protection Latch

Off Threshold

AP3441L only

—

0.42

—

V

tDELAY_SCP

Short Circuit Protection Delay

Time

—

—

30

—

ms

TOTP

Over Temperature Protection

—

—

+150

—

°C

TDTH

OTP Hysteresis

—

—

+20

—

°C

VOVP

VOUT Over Voltage Protection

AP3441L only

—

0.72

—

V

VIOVP

VIN Over Voltage Protection

VIN Rises

—

6.3

—

V

VIHSY

IOVP Hysteresis

VIN Falls

—

0.35

—

V

Soft Start

tSS

Soft-Start Time

—

0.7

1.0

1.3

ms