ACT4523AYH-T データシートの表示（PDF） - Active-Semi, Inc

部品番号

コンポーネント説明

一致するリスト

ACT4523AYH-T

Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

Active-Semi, Inc 

ELECTRICAL CHARACTERISTICS

(VIN = 12V, TA = 25°C, unless otherwise specified.)

PARAMETER

Input Voltage

Input Voltage Surge

VIN UVLO Turn-On Voltage

VIN UVLO Hysteresis

Standby Supply Current

Feedback Voltage

Internal Soft-Start Time

Error Amplifier Transconductance

Error Amplifier DC Gain

Switching Frequency

Foldback Switching Frequency

Maximum Duty Cycle

Minimum On-Time

COMP to Current Limit Transconductance

Secondary Cycle-by-Cycle Current Limit

Slope Compensation

ISET Voltage

TEST CONDITIONS

Input Voltage Rising

Input Voltage Falling

VFB = 1V

VFB = VCOMP = 0.8V,

∆ICOMP = ± 10µA

VFB = 0.808V

VFB = 0V

VCOMP = 1.2V

Duty = 0.5

Duty = DMAX

ISET to IOUT DC Room Temp Current Gain IOUT / ISET, RISET = 7.87kΩ

CC Controller DC Accuracy

OVP pin Voltage

High-Side Switch ON-Resistance

SW Off Leakage Current

Thermal Shutdown Temperature

RISET = 7.87kΩ, VOUT = 4.0V

OVP Pin Rising

Vin = VSW = 0V

Temperature Rising

Thermal Shutdown Temperature Hysteresis Temperature Falling

ACT4523A

Rev 0, 25-Jul-13

MIN

10

9.0

792

TYP

9.4

1.1

0.9

808

400

MAX UNIT

36

V

40

V

9.7

V

V

1.4 mA

824 mV

µs

650

µA/V

4000

V/V

250

kHz

36

kHz

85

%

190

ns

3.9

A/V

5.2

A

1.4

A

1.0

V

20000

A/A

2650

mA

0.8

V

85

mΩ

1

10

µA

155

°C

25

°C

Innovative PowerTM

-4-

www.active-semi.com

Copyright © 2013 Active-Semi, Inc.

Share Link: