Datasheet > AZ494CM

AZ494CM

更新时间： 2024-10-26 04:07:35

品牌	Logo	应用领域
BCDSEMI		/
页数	文件大小	规格书
2页	52K
描述
PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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中文翻译

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AZ494CM 数据手册

Product Brief

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

AZ494A/C

Description

Parametric Table

The AZ494A/C is a voltage mode pulse width modulation

switching regulator control circuit designed primarily for

power supply control. The AZ494A/C consists of a refer-

ence voltage circuit, two error amplifiers, an on-chip

adjustable oscillator, a dead-time control (DTC) compara-

tor, a pulse-steering control flip-flop, and an output con-

AZ494A

AZ494C

4.95

Reference Voltage (V)

Reference Voltage Tolerance

Frequency Change with Temperature (Max)

Open Loop Voltage Gain (db)

trol circuit. The precision of voltage reference (V ) is

REF

improved up to ± 1% through trimming and this provides

a better output voltage regulation. The AZ494A/C pro-

vides for push-pull or single-ended output operation,

which can be selected through the output control.

Unity-Gain Bandwidth (KHz)

650

Output Saturation Voltage (Common Emitter)

(V)

1.1

Rise Time (ns)

Fall Time (ns)

100

Features

Supply Voltage (V)

7 to 36

DIP-16

SOIC-16

Stable 4.95V/5V Reference Voltage Trimmed to

±1.0% Accuracy

Uncommitted Output TR for 200mA Sink or Source

Current

Single-End or Push-Pull Operation Selected by Out-

put Control

Internal Circuitry Prohibits Double Pulse at Either

Output

Package

Benefits

Complete PWM Control Circuit with Variable Duty

Cycle

On-Chip Oscillator With Master or Slave Operation

Higher Power Glitch Rejection

Very competitive price

Applications

Additional Available Materials

Samples

Data Sheet

Reliability Report

ESD Report

Application Notes

Demo Board

SMPS

Back Light Inverter

Charger

Apr. 2006

BCD Semiconductor Manufacturing Limited

中文翻译

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