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UCC28911DR PDF预览

UCC28911DR

更新时间： 2024-11-24 00:59:51
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
53页 1338K
描述
High-Voltage Flyback Switcher with Primary-Side Regulation and Output Current Control

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中文翻译

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UCC28911DR 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：SOIC-8/7
Reach Compliance Code：compliantECCN代码：EAR99
Factory Lead Time：12 weeks风险等级：1.71
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT/VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：30 V最小输入电压：6 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G7
长度：4.9 mm功能数量：1
端子数量：7最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE座面最大高度：1.58 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：125 kHz温度等级：AUTOMOTIVE
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL最大总功率输出：10 W
宽度：3.91 mmBase Number Matches：1

UCC28911DR 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
UCC28910  
UCC28911  
SLUS769C –JULY 2013–REVISED MARCH 2015  
UCC28910, UCC28911 High-Voltage Flyback Switcher  
with Primary-Side Regulation and Output Current Control  
1 Features  
3 Description  
The UCC28910 and UCC28911 are high-voltage  
1
•
Constant-Voltage (CV) and Constant-Current (CC)  
Output Regulation Without Optical-Coupler  
flyback switchers that provide output voltage and  
current regulation without the use of an optical  
coupler. Both devices incorporate a 700-V power FET  
and a controller that process operating information  
from the flyback auxiliary winding and power FET to  
provide a precise output voltage and current control.  
The integrated high-voltage current source for startup  
that is switched off during device operation, and the  
controller current consumption is dynamically  
adjusted with load. Both enable the very low stand-by  
power consumption.  
•
•
±5% Output Voltage Regulation Accuracy  
±5% Output Current Regulation With AC Line and  
Primary Inductance Tolerance Compensation  
•
•
•
700-V Start-Up and Smart Power Management  
Enables <30-mW Standby Power  
115-kHz Maximum Switching Frequency Design  
for High-Power Density  
Valley Switching and Frequency Dithering to Ease  
EMI Compliance  
Control algorithms in the UCC28910 and UCC28911,  
combining switching frequency and peak primary  
current modulation, allow operating efficiencies to  
meet or exceed applicable standards. Discontinuous  
conduction mode (DCM) with valley switching is used  
to reduce switching losses. Built-in protection features  
help to keep secondary and primary component  
stress levels in check across the operating range.  
The frequency jitter helps to reduce EMI filter cost.  
•
•
Thermal Shut Down  
Low Line and Output Over-Voltage Protection  
2 Applications  
•
•
•
Home and Building Automation  
Power Metering Bias  
Bias Power for Smoke Alarm, Fire Alarm and  
Thermostat  
Device Information  
•
•
•
•
Wall Adapters, Chargers for Mobile Phones  
Smart plug, IoT, MCU and WiFi Power  
Aux power for TV, Server, White Goods  
LED Lighting  
PART NUMBER  
UCC28910  
PACKAGE  
SOIC-7 (7)  
SOIC-7 (7)  
BODY SIZE (NOM)  
5.00 mm x 6.20 mm  
5.00 mm x 6.20 mm  
UCC28911  
4 Simplified Schematic  
Typical Target Output V-I Characteristic  
5
4
3
2
1
UCC2891x  
DRAIN  
8
±5%  
1
2
3
4
GND  
GND  
GND  
IPK  
VDD  
VS  
6
5
USB Specs. 1.1  
Typical Application  
0.25 0.5 0.75  
1
1.25 1.5  
Output Current (A)  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
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UCC28911DR 替代型号

型号 品牌 替代类型 描述 数据表
UCC28911D TI

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 High-Voltage Flyback Switcher with Primary-Side Regulation and Output Current Control

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