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AZ494DMTR PDF预览

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

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

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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  
1

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