AP3403 datasheet(4/9 Pages) DIODES

4 / 9 page

AP3403

Document number: DS36839 Rev. 3 - 2

4 of 9

www.diodes.com

May 2015

AP3403

A Product Line of

Diodes Incorporated

Electrical Characteristics (VIN = VEN = 3.6V (VOUT ≤ 2.6V), VIN = VEN = VOUT+1V (VOUT > 2.6V), unless otherwise specified.

Specification with standard typeface are for TA = +25ºC, and those in boldface type apply over the full operating temperature rang (TA = -40ºC to

+85ºC))

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIN

Input Voltage

1.0V ≤ VOUT

2.3

–

5.5

0.9V ≤ VOUT < 1.0V

2.3

–

5.25

0.7V ≤ VOUT < 0.9V

2.3

–

4.5

IDD

Supply Current

VIN = VEN = VFB = 3.6V

–

µA

ISTDB

Standby Current

VIN = 5.5V, VEN = 0V

–

µA

VUVLO

Input UVLO Threshold

VIN Rising

2.0

2.1

2.2

VHYS

Input UVLO Hysteresis

–

0.1

–

VENH

EN Active Threshold Voltage

VIN = 5.5V

1.0

–

VENL

EN Shutdown Threshold Voltage

VIN = 2.3V

–

0.4

VFB

Feedback Voltage

VIN = VEN = 3.6V

0.591

0.600

0.609

IFBH

FB High Input Current

VIN = VFB = 5.5V

VEN = 0V

-1

µA

IFBL

FB Low Input Current

VEN = VFB = 0V

VIN = 5.5V

-1

µA

RONH

High-side Switch On-resistance

VIN = 3.6V

ISW = 100mA

–

380

–

mΩ

RONL

Low-side Switch On-resistance

VIN = 3.6V

ISW = 100mA

–

300

–

mΩ

ILIMH

SW Current Limit

VIN = VEN = 3.6V

800

1000

–

fOSC

Oscillator Frequency

–

1.7

2.0

2.3

MHz

DMAX

Max. Duty Cycle

–

100

–

TOTSD

Thermal Shutdown

–

+140

–

ºC

THYS

Thermal Shutdown Hysteresis

–

+40

–

ºC

tSS

Soft-start Time

VIN = VEN = 3.6V

–

150

300

µs

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