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UCC25701Q PDF预览

UCC25701Q

更新时间： 2024-11-30 19:52:39
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关
页数 文件大小 规格书
24页 1106K
描述
1.2A SWITCHING CONTROLLER, 700kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, LCC-20

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中文翻译

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UCC25701Q 技术参数

生命周期：Obsolete零件包装代码：QLCC
包装说明：QCCN,针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.72
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：13 V
最小输入电压：9.6 V标称输入电压：11 V
JESD-30 代码：S-PQCC-N20长度：8.965 mm
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.2 A封装主体材料：PLASTIC/EPOXY
封装代码：QCCN封装形状：SQUARE
封装形式：CHIP CARRIER认证状态：Not Qualified
座面最大高度：4.57 mm表面贴装：YES
切换器配置：SINGLE最大切换频率：700 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：1.27 mm
端子位置：QUAD宽度：8.965 mm
Base Number Matches：1

UCC25701Q 数据手册

 浏览型号UCC25701Q的Datasheet PDF文件第2页浏览型号UCC25701Q的Datasheet PDF文件第3页浏览型号UCC25701Q的Datasheet PDF文件第4页浏览型号UCC25701Q的Datasheet PDF文件第5页浏览型号UCC25701Q的Datasheet PDF文件第6页浏览型号UCC25701Q的Datasheet PDF文件第7页 
application  
INFO  
UCC15701/2  
UCC25701/2  
UCC35701/2  
available  
Advanced Voltage Mode Pulse Width Modulator  
FEATURES  
DESCRIPTION  
700kHz Operation  
The UCC35701/UCC35702 family of pulse width modulators is intended for  
isolated switching power supplies using primary side control. They can be  
used for both off-line applications and DC/DC converter designs such as in  
a distributed power system architecture or as a telecom power source.  
Integrated Oscillator/ Voltage Feed  
Forward Compensation  
Accurate Duty Cycle Limit  
Accurate Volt-second Clamp  
Optocoupler Interface  
The devices feature low startup current, allowing for efficient off-line start-  
ing, yet have sufficient output drive to switch power MOSFETs in excess of  
500kHz.  
Voltage feed forward compensation is operational over a 5:1 input range  
and provides fast and accurate response to input voltage changes over a  
4:1 range. An accurate volt-second clamp and maximum duty cycle limit  
are also featured.  
Fault Counting Shutdown  
Fault Latch off or Automatic Shutdown  
Soft Stop Optimized for Synchronous  
Rectification  
Fault protection is provided by pulse by pulse current limiting as well as the  
ability to latch off after a programmable number of repetitive faults has oc-  
curred.  
1A Peak Gate Drive Output  
130mA Start-up Current  
750mA Operating Current  
Two UVLO options are offered. UCC35701 family has turn-on and turn-off  
thresholds of 13V/9V and UCC35702 family has thresholds of 9.6V/8.8V.  
The UCC35701/2 and the UCC25701/2 are offered in the 14 pin SOIC (D),  
14 pin PDIP (N) or in 14 pin TSSOP (PW) packages. The UCC15701/2 is  
offered in the 14 pin CDIP (J) package.  
TYPICAL APPLICATION DIAGRAM  
V
SUPPLY  
IN  
R1  
R6  
R2  
R7  
VFF  
6
VDD  
3
R3  
7
RT  
VREF  
UCC35701  
CT  
V
C6  
OUT  
10 CT  
C4  
C1  
R4  
9
VSCLAMP  
R8  
C2  
OUT  
ILIM  
4
2
R5  
11 SYNC  
14 SS  
R10  
CS  
CF  
RCS  
1
COUNT  
C3  
R
F
12 VREF  
PGND  
GND  
5
V RETURN  
IN  
R8  
RGND  
8
FB  
13  
R11  
V
OUT  
C5  
R13  
C7  
R12  
C6  
R14  
R15  
UDG-98005-1  
SLUS293C - JANUARY 2000 - REVISED JUNE 2005  
1234567...24

中文翻译

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