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UC2834 PDF预览

UC2834

更新时间: 2024-01-09 10:05:38
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
9页 676K
描述
High Efficiency Linear Regulator

UC2834 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QLCC包装说明:GREEN, PLASTIC, LCC-20
针数:20Reach Compliance Code:unknown
风险等级:5.31Is Samacsys:N
其他特性:UNDER AND OVER-VOLTAGE FAULT ALERT WITH PROGRAMMABLE DELAY可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PQCC-J20
JESD-609代码:e3长度:8.965 mm
湿度敏感等级:2信道数量:1
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
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):260座面最大高度:4.57 mm
最大供电电压 (Vsup):35 V最小供电电压 (Vsup):5 V
标称供电电压 (Vsup):15 V表面贴装:YES
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:TIN端子形式:J BEND
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:8.965 mm
Base Number Matches:1

UC2834 数据手册

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UC1834  
UC2834  
UC3834  
High Efficiency Linear Regulator  
FEATURES  
DESCRIPTION  
Minimum VIN - VOUT Less Than  
0.5V At 5A Load With External  
Pass Device  
The UC1834 family of integrated circuits is optimized for the design of low  
input-output differential linear regulators. A high gain amplifier and 200mA  
sink or source drive outputs facilitate high output current designs which use  
an external pass device. With both positive and negative precision refer-  
ences, either polarity of regulator can be implemented. A current sense am-  
plifier with a low, adjustable, threshold can be used to sense and limit  
currents in either the positive or negative supply lines.  
Equally Usable For Either Positive  
or Negative Regulator Design  
Adjustable Low Threshold Current  
Sense Amplifier  
In addition, this series of parts has a fault monitoring circuit which senses  
both under and over-voltage fault conditions. After a user defined delay for  
transient rejection, this circuitry provides a fault alert output for either fault  
condition. In the over-voltage case, a 100mA crowbar output is activated.  
An over-voltage latch will maintain the crowbar output and can be used to  
shutdown the driver outputs. System control to the device can be accom-  
modated at a single input which will act as both a supply reset and remote  
shutdown terminal. These die are protected against excessive power dissi-  
pation by an internal thermal shutdown function.  
Under And Over-Voltage Fault Alert  
With Programmable Delay  
Over-Voltage Fault Latch With  
100mA Crowbar Drive Output  
BLOCK DIAGRAM  
6/94  

UC2834 替代型号

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