Datasheet > AZ494DMTR

AZ494DMTR

更新时间： 2024-10-26 20:26:59

品牌	Logo	应用领域
美台 - DIODES		光电二极管
页数	文件大小	规格书
12页	759K
描述
Switching Regulator/Controller, Voltage-mode, 0.2A, 300kHz Switching Freq-Max, PDSO16

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技术参数
数据手册

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AZ494DMTR 技术参数

是否Rohs认证：	不符合	生命周期：	Active
Reach Compliance Code：	compliant	风险等级：	5.81
Is Samacsys：	N	控制模式：	VOLTAGE-MODE
JESD-30 代码：	R-PDSO-G16	端子数量：	16
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	0.2 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP16,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	YES	最大切换频率：	300 kHz
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
Base Number Matches：	1

AZ494DMTR 数据手册

Data Sheet

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

AZ494B/D

General Description

Features

The AZ494B/D is a voltage mode pulse width modula-

tion switching regulator control circuit designed pri-

marily for power supply control.

Stable 4.95V for AZ494B or 5V for AZ494D Ref-

erence Voltage Trimmed to ±1.5% Accuracy

Uncommitted Output TR for 200mA Sink or

Source Current

Single-End or Push-Pull Operation Selected by

Output Control

Internal Circuitry Prohibits Double Pulse at Either

Output

Complete PWM Control Circuit with Variable

Duty Cycle

The AZ494B/D consists of a reference voltage circuit,

two error amplifiers, an on-chip adjustable oscillator, a

dead-time control (DTC) comparator, a pulse-steering

control flip-flop, and an output control circuit. The

AZ494B/D is capable for push-pull or single-ended

output operation, which can be selected through the

output control.

On-Chip Oscillator with Master or Slave Opera-

tion

AZ494B has 4.95V and AZ494D has 5V reference

voltage respectively. The precision of voltage reference

Applications

(V ) is improved up to ± 1.5% through trimming

REF

and this provides a better output voltage regulation.

SMPS

Back Light Inverter

Charger

The AZ494B/D is available in standard packages of

DIP-16 and SOIC-16.

DIP-16

SOIC-16

Figure 1. Package Types of AZ494B/D

BCD Semiconductor Manufacturing Limited

Sep. 2009 Rev. 1. 3

12 3 4 5 6 7...12

中文翻译

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