AP3401 datasheet(4/11 Pages) DIODES

номер детали	AP3401

подробное описание детали	1.5MHZ, 1A STEP-DOWN DC - DC BUCK CONVERTER

PDF	11 Pages

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производитель	DIODES [Diodes Incorporated]

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4 / 11 page

AP3401

Document number: DS37389 Rev. 2 - 2

4 of 11

www.diodes.com

June 2016

AP3401

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

VIN

Input Voltage Range

2.5

5.5

Operating Ambient Temperature

-40

+85

°C

Junction Temperature Range

-40

+125

°C

Electrical Characteristics (@VIN = 5V, VOUT = 1.2V, L = 2.2µH, CIN = COUT = 10µF, TA = +25°C, unless otherwise specified.)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VIN

Input Voltage Range

–

2.5

–

5.5

VFB

Regulated Feedback Voltage

–

0.588

0.6

0.612

IFB

FB Leakage Current

VFB = 1V

–

0.2

μA

Quiescent Current

VFB = 0.65V

–

μA

ISD

Shutdown Current

VEN = 0V

–

0.1

μA

ILIM

Peak Inductor Current

–

1.3

–

fOSC

Oscillator Frequency

–

1.5

–

MHz

RDS(ON)

Drain to Source On-state

Resistance

ILX = 100mA, high side

–

250

–

Ω

ILX = 100mA, low side

–

170

–

VENH

EN High Threshold

–

1.5

–

VENL

EN Low Threshold

–

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

–

Maximum Duty Cycle

–

100

–

RDSCH

Output Discharge Switch On

Resistance

–

2.1

–

Ω

TOTP

Over Temperature Protection

–

+160

–

°C

TOTH

OTP Hysteresis

–

+15

–

°C

tSS

Soft-start Time

–

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