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UC1825VTD2 PDF预览

UC1825VTD2

更新时间： 2024-11-05 01:10:31
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
5页 120K
描述
RAD-TOLERANT, HIGH-SPEED PWM CONTROLLER

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UC1825VTD2 技术参数

生命周期：Active包装说明：DIE,
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.74其他特性：ALSO OPERATES WITH VOLTAGE MODE CONTROL
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATIONJESD-30 代码：R-XUUC-N21
长度：3.1699 mm功能数量：1
端子数量：21封装主体材料：UNSPECIFIED
封装代码：DIE封装形状：RECTANGULAR
封装形式：UNCASED CHIP峰值回流温度（摄氏度）：NOT SPECIFIED
表面贴装：YES端子形式：NO LEAD
端子位置：UPPER处于峰值回流温度下的最长时间：NOT SPECIFIED
总剂量：30k Rad(Si) V宽度：2.3444 mm
Base Number Matches：1

UC1825VTD2 数据手册

 浏览型号UC1825VTD2的Datasheet PDF文件第2页浏览型号UC1825VTD2的Datasheet PDF文件第3页浏览型号UC1825VTD2的Datasheet PDF文件第4页浏览型号UC1825VTD2的Datasheet PDF文件第5页 
UC1825-DIE  
www.ti.com  
SLUSBO1 –JULY 2013  
RAD-TOLERANT, HIGH-SPEED PWM CONTROLLER  
Check for Samples: UC1825-DIE  
1
FEATURES  
(1)  
•
Rad-Tolerant: 30 kRad (Si) TID  
•
•
Wide Bandwidth Error Amplifier  
•
Compatible With Voltage- or Current-Mode  
Topologies  
Fully Latched Logic With Double-Pulse  
Suppression  
•
•
•
Practical Operation Switching Frequencies  
50-ns Propagation Delay-to-Output  
•
•
•
•
Pulse-by-Pulse Current Limiting  
Soft Start/Maximum Duty-Cycle Control  
Undervoltage Lockout With Hysteresis  
Low Start-Up Current  
High-Current Dual Totem Pole Outputs  
(1) Radiation tolerance is a typical value based upon initial device  
qualification with dose rate = 10 mrad/sec. Radiation Lot  
Acceptance Testing is available - contact factory for details.  
DESCRIPTION  
The UC1825-DIE PWM control device is optimized for high-frequency switched mode power supply applications.  
Particular care was given to minimizing propagation delays through the comparators and logic circuitry while  
maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-  
mode or voltage mode systems with the capability for input voltage feed-forward.  
Protection circuitry includes a current limit comparator with a 1-V threshold, a TTL compatible shutdown port, and  
a soft start pin which will double as a maximum duty-cycle clamp. The logic is fully latched to provide jitter-free  
operation and prohibit multiple pulses at an output. An undervoltage lockout section with 800 mV of hysteresis  
assures low start up current. During undervoltage lockout, the outputs are high impedance.  
This device features totem pole outputs designed to source and sink high peak currents from capacitive loads,  
such as the gate of a power MOSFET. The on state is designed as a high level.  
ORDERING INFORMATION(1)  
PACKAGE  
DESIGNATOR  
PRODUCT  
PACKAGE  
ORDERABLE PART NUMBER  
PACKAGE QUANTITY  
UC1825VTD1  
UC1825VTD2  
88  
10  
UC1825  
TD  
Bare die in waffle pack(2)  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) Processing is per the Texas Instruments space production baseline and is in compliance with the Texas Instruments Quality Control  
System in effect at the time of manufacture. Electrical screening consists of DC parametric and functional testing at room temperature  
only. Unless otherwise specified by Texas Instruments AC performance and performance over temperature is not warranted. Visual  
Inspection is performed in accordance with MIL-STD-883 Test Method 2010 Condition B at 75X minimum.  
1
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 © 2013, 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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