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UC1879L PDF预览

UC1879L

更新时间: 2024-11-14 20:17:47
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
17页 995K
描述
0.1A SWITCHING CONTROLLER, 300kHz SWITCHING FREQ-MAX, CQCC28

UC1879L 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:QCCN, LCC20,.35SQReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.92Is Samacsys:N
其他特性:CAN ALSO BE CONFIGURED IN CURRENT MODE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:18 V最小输入电压:11 V
标称输入电压:12 VJESD-30 代码:S-CQCC-N28
长度:8.89 mm功能数量:1
端子数量:28最高工作温度:125 °C
最低工作温度:-55 °C最大输出电流:0.02 A
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装等效代码:LCC20,.35SQ封装形状:SQUARE
封装形式:CHIP CARRIER峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:2.03 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PHASE-SHIFT最大切换频率:300 kHz
技术:BIPOLAR温度等级:MILITARY
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.89 mmBase Number Matches:1

UC1879L 数据手册

 浏览型号UC1879L的Datasheet PDF文件第2页浏览型号UC1879L的Datasheet PDF文件第3页浏览型号UC1879L的Datasheet PDF文件第4页浏览型号UC1879L的Datasheet PDF文件第5页浏览型号UC1879L的Datasheet PDF文件第6页浏览型号UC1879L的Datasheet PDF文件第7页 
UC1879  
UC2879  
UC3879  
www.ti.com  
SLUS230BJUNE 1998REVISED JUNE 2007  
PHASE SHIFT RESONANT CONTROLLER  
FEATURES  
DESCRIPTION  
Programmable Output Turn On Delay; Zero  
Delay Available  
The UC3879 controls a bridge power stage by phase  
shifting the switching of one half-bridge with respect  
to the other. This allows constant frequency pulse  
width modulation in combination with resonant,  
Compatible with Voltage Mode or Current  
Mode Topologies  
zero-voltage  
switching  
for  
high  
efficiency  
Practical Operation at Switching Frequencies  
to 300 kHz  
performance. The UC3879 can be configured to  
provide control in either voltage mode or current  
mode operation, with overcurrent shutdown for fast  
fault protection.  
10-MHz Error Amplifier  
Pin Programmable Undervoltage Lockout  
Low Startup Current – 150 µA  
Soft Start Control  
Independently programmable time delays provide  
dead-time at the turn-on of each output stage,  
allowing time for each resonant switching interval.  
Outputs Active Low During UVLO  
BLOCK DIAGRAM  
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 © 1998–2007, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

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