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AZ494CMTR-G1 PDF预览

AZ494CMTR-G1

更新时间: 2024-10-26 20:56:39
品牌 Logo 应用领域
美台 - DIODES /
页数 文件大小 规格书
13页 485K
描述
Switching Regulator/Controller,

AZ494CMTR-G1 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:,
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.76
Base Number Matches:1

AZ494CMTR-G1 数据手册

 浏览型号AZ494CMTR-G1的Datasheet PDF文件第2页浏览型号AZ494CMTR-G1的Datasheet PDF文件第3页浏览型号AZ494CMTR-G1的Datasheet PDF文件第4页浏览型号AZ494CMTR-G1的Datasheet PDF文件第5页浏览型号AZ494CMTR-G1的Datasheet PDF文件第6页浏览型号AZ494CMTR-G1的Datasheet PDF文件第7页 
A Product Line of  
Diodes Incorporated  
AZ494  
VOLTAGE MODE DUAL OUTPUT PWM CONTROLLER  
Description  
Pin Assignments  
(Top View)  
The AZ494 is a voltage mode pulse width modulation switching  
regulator control circuit designed primarily for power supply control.  
16  
15  
1IN+  
1IN-  
1
2
3
4
5
6
7
8
2IN+  
2IN-  
The AZ494 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 precision of voltage reference (VREF) is improved up to  
±1% through trimming and this provides a better output voltage  
regulation. The AZ494 provides for push-pull or single-ended output  
operation, which can be selected through the output control.  
14  
13  
12  
FEEDBACK  
DTC  
REF  
OUTPUT CTRL  
CT  
VCC  
C2  
E2  
E1  
RT  
11  
10  
9
GND  
The difference between AZ494A and AZ494C is that they have 4.95V  
and 5V reference voltage respectively.  
C1  
The AZ494 is available in standard packages of PDIP-16 and SO-16.  
SO-16  
Features  
(Top View)  
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 Output Control  
Internal Circuitry Prohibits Double Pulse at Either Output  
Complete PWM Control Circuit with Variable Duty Cycle  
On-Chip Oscillator with Master or Slave Operation  
16  
1
2
3
4
5
6
7
8
2IN+  
1IN+  
1IN-  
15  
14  
13  
2IN-  
FEEDBACK  
DTC  
REF  
OUTPUT CTRL  
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  
Halogen and Antimony Free. “Green” Device (Note 3)  
12 VCC  
CT  
11  
10  
9
C2  
E2  
E1  
RT  
GND  
C1  
Applications  
PDIP-16  
SMPS  
Back Light Inverter  
Charger  
Notes:  
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"  
and Lead-free.  
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and  
<1000ppm antimony compounds.  
1 of 13  
www.diodes.com  
March 2015  
© Diodes Incorporated  
AZ494  
Document number: DS37862 Rev.1 - 2  

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