APW7134 Просмотр технического описания (PDF) - Kingbright

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APW7134

Dual 1.5MHz, 600mA Synchronous Step-Down Converter

Kingbright 

APW7134

Recommended Operating Conditions (Note 3)

Symbol

Parameter

VIN1/IN2

R2/R4

IOUT

TA

TJ

Input Supply Voltage (IN1/IN2 to GND1/GND2)

Feedback Resistance (Note 3)

Output Current

Operating ambient temperature

Operating junction temperature

Note 3: Please refer to the typical application circuit.

Min.

2.5

-40

-40

Value

Typ.

Max.

5.5

200

600

85

125

Unit

V

KΩ

mA

°C

°C

Electrical Characteristics

The * denotes the specifications that apply over TA = -40°C ~ 85°C, otherwise specifications are at TA=25°C

Symbol

Parameter

Test Conditions

APW7134

Unit

Min. Typ. Max.

VIN1/IN2 Each Converter Input Voltage Range

* 2.5

5.5

V

IFB1/FB2 Each Converter Feedback current

VFB1/FB2=0.6V

* -30

30

nA

Each Converter Regulated Feedback

VFB1/FB2

Voltage

* 0.588 0.6 0.612 V

Each Converter Reference voltage Line

∆VFB1/FB2

VIN1/IN2=2.5V to 5.5V

*

regulation

0.04 0.4 %/V

VIN1/IN2=3V,VFB=0.5V

IPK Each Converter Peak Inductor Current or VOUT=90%,

Duty cycle < 35%

0.75 1 1.25

A

VLOADR Each Converter Load Regulation

0.5

%

IQ Each Converter Quiescent Current

Duty Cycle=0; VFB=1.5V

300 400 µA

Copyright © ANPEC Electronics Corp.

4

Rev. A.1 - Aug., 2006

www.anpec.com.tw

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