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UCC25705DG4 PDF预览

UCC25705DG4

更新时间： 2024-11-08 19:54:03
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
22页 798K
描述
High Speed Voltage Mode Pulse Width Modulator 8-SOIC -40 to 85

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中文翻译

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UCC25705DG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.19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：15 V最小输入电压：9 V
标称输入电压：11 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
湿度敏感等级：2功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.02 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：SINGLE最大切换频率：4000 kHz
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

UCC25705DG4 数据手册

 浏览型号UCC25705DG4的Datasheet PDF文件第2页浏览型号UCC25705DG4的Datasheet PDF文件第3页浏览型号UCC25705DG4的Datasheet PDF文件第4页浏览型号UCC25705DG4的Datasheet PDF文件第5页浏览型号UCC25705DG4的Datasheet PDF文件第6页浏览型号UCC25705DG4的Datasheet PDF文件第7页 
UCC25705, UCC25706, UCC35705, UCC35706  
HIGH-SPEED VOLTAGE MODE PULSE WIDTH MODULATOR  
SLUS473B -- NOVEMBER 1999 -- REVISED OCTOBER 2010  
D, OR P PACKAGE  
(TOP VIEW)  
D
D
Greater Than 4-MHz Operation  
Integrated Oscillator / Voltage Feed Forward  
Compensation  
ILIM  
FB  
VDD  
OUT  
GND  
RC  
1
2
3
4
8
7
6
5
D
D
D
D
D
D
D
>4:1 Input Voltage Range  
DGK PACKAGE  
(TOP VIEW)  
VFF  
25-ns Current Limit Delay  
DISCH  
Programmable Maximum Duty Cycle Clamp  
Optocoupler Interface  
1
2
3
4
8
7
6
5
ILIM  
VDD  
50-μA Start-Up Current  
FB  
OUT  
GND  
RC  
4.2-mA Operating Current @ 1 MHz  
VFF  
Smallest Footprint of the 8-pin MSOP  
Package Minimizes Board Area and Height  
DISCH  
description  
The UCC35705 and UCC35706 devices are 8-pin voltage mode primary side controllers with fast over-current  
protection. These devices are used as core high-speed building blocks in high performance isolated and non-isolated  
power converters.  
UCC35705/UCC35706 devices feature a high speed oscillator with integrated feed-forward compensation for  
improved converter performance. A typical current sense to output delay time of 25 ns provides fast response to  
overload conditions. The IC also provides an accurate programmable maximum duty cycle clamp for increased  
protection which can also be disabled for the oscillator to run at maximum possible duty cycle.  
Two UVLO options are offered. The UCC35705 with lower turn-on voltage is intended for dc-to-dc converters while  
the higher turn-on voltage and the wider UVLO range of the UCC35706 is better suited for offline applications.  
The UCC35705/UCC35706 family is offered in 8-pin MSOP (DGK), SOIC (D) and PDIP (P) packages.  
typical application schematic  
+
+
V
OUT  
--  
V
IN  
--  
VDD  
FB  
8
2
4
DISCH  
TPS2829  
5
3
RC  
OUT  
7
1
VFF  
FET DRIVER  
SOFT  
START  
CIRCUIT  
6
GND  
ILIM  
UCC35705/6  
MODE = 1  
UDG-99181  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2001 -- 2010, Texas Instruments Incorporated  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
www.ti.com  
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UCC25705DG4 替代型号

型号 品牌 替代类型 描述 数据表
UCC25705DTR TI

完全替代

 HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25705D TI

类似代替

 HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR

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UCC25705DGKR ETC

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UCC25705DGKTR TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25705DR TI

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 		0.02A SWITCHING CONTROLLER, 4000kHz SWITCHING FREQ-MAX, PDSO8, GREEN, PLASTIC, MS-012AA, S
UCC25705DTR TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25705P TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25705PG4 TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25706 TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25706D TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR
UCC25706DGK TI

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 		HIGH - SPEED VOLTAGE MODE PULSE MODE WIDTH MODULATOR

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