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AZ494CM PDF预览

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

AZ494CM 数据手册

 浏览型号AZ494CM的Datasheet PDF文件第2页 
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  
5
Reference Voltage (V)  
Reference Voltage Tolerance  
1%  
Frequency Change with Temperature (Max)  
Open Loop Voltage Gain (db)  
1%  
95  
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  
25  
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  

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