AP1605SL-13 datasheet(4/8 Pages) DIODES

4 / 8 page

AP1605

PWM/PFM DUAL-MODE STEP-DOWN SWITCHING

REGULATOR

AP1605 Rev. 2

4 of 8

FEBRUARY 2009

www.diodes.com

Electrical Characteristics (VIN = 5V, T

A = 25°C, unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VIN

Input Voltage

AP1605 Series

2.5

VREF

Internal Reference Voltage

1.1625

1.2

1.2375

VUVLO

UVLO Voltage

Voltage required to maintain VOUT

2.2

MAXDTY Maximum Duty Ratio

100

PFMDTY PFM Duty Ratio

ISW

Switch Current

Duty = 50%

ISS

Current Consumption

POWERON

VOUT = 2.5V

100

µA

ISSS

Current Consumption

During Power Off

VON/OFF = 0V

µA

∆V

OUT1

Line Regulation

2.5V~7V @ IOUT = 0.1A

0.2

0.5

∆V

OUT2

Load Regulation

0.1A~3A

1.5

FOSC

Oscillation Frequency

220

300

380

KHz

VCEH

CE Pin “High” Voltage

Evaluate oscillation at SW pin

0.65

*Vcc

VCEL

CE Pin “Low” Voltage

Evaluate oscillation stop at SW

0.2

ISH

Power-Off Pin Input

Leakage Current

-0.1

0.1

µA

ISL

-0.1

0.1

µA

EFFI

Efficiency

VIN = 5V, VOUT = 2.5V IOUT = 1A

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