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UC2833DW PDF预览

UC2833DW

更新时间： 2024-12-01 12:01:39
品牌 Logo 应用领域
德州仪器 - TI 模拟IC信号电路光电二极管控制器
页数 文件大小 规格书
20页 1451K
描述
Precision Low Dropout Linear Controllers

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中文翻译

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UC2833DW 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.18Is Samacsys：N
其他特性：UNDER AND OVER-VOLTAGE FAULT ALERT WITH PROGRAMMABLE DELAY模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：10.3 mm湿度敏感等级：2
信道数量：1功能数量：1
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C最大输出电压：35 V
最小输出电压：2 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP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：2.35 mm
最大供电电压 (Vsup)：36 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：15 V表面贴装：YES
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：7.5 mmBase Number Matches：1

UC2833DW 数据手册

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UC1832  
UC2832/3  
UC3832/3  
Precision Low Dropout Linear Controllers  
FEATURES  
DESCRIPTION  
•
Precision 1% Reference  
The UC2832 and UC3833 series of precision linear regulators include all the  
control functions required in the design of very low dropout linear regulators.  
Additionally, they feature an innovative duty-ratio current limiting technique  
which provides peak load capability while limiting the average power dissipa-  
tion of the external pass transistor during fault conditions. When the load cur-  
rent reaches an accurately programmed threshold, a gated-astable timer is  
enabled, which switches the regulator’s pass device off and on at an externally  
programmable duty-ratio. During the on-time of the pass element, the output  
current is limited to a value slightly higher than the trip threshold of the duty-ra-  
tio timer. The constant-current-limit is programmable on the UCx832 to allow  
higher peak current during the on-time of the pass device. With duty-ratio con-  
trol, high initial load demands and short circuit protection may both be accom-  
modated without extra heat sinking or foldback current limiting. Additionally, if  
the timer pin is grounded, the duty-ratio timer is disabled, and the IC operates  
in constant-voltage/constant-current regulating mode.  
•
Over-Current Sense Threshold  
Accurate to 5%  
•
Programmable Duty-Ratio  
Over-Current Protection  
•
•
4.5 V to 36 V Operation  
100mA Output Drive, Source, or  
Sink  
•
Under-Voltage Lockout  
Additional Features of the UC2832  
series:  
•
Adjustable Current Limit to  
Current Sense Ratio  
These IC’s include a 2 Volt (±1%) reference, error amplifier, UVLO, and a high  
current driver that has both source and sink outputs, allowing the use of either  
NPN or PNP external pass transistors. Safe operation is assured by the inclu-  
sion of under-voltage lockout (UVLO) and thermal shutdown.  
•
•
Separate +VIN terminal  
Programmable Driver Current  
Limit  
The UC3833 family includes the basic functions of this design in a low-cost, 8-  
pin mini-dip package, while the UC2832 series provides added versatility with  
the availability of 14 pins. Packaging options include plastic (N suffix), or ce-  
ramic (J suffix). Specified operating temperature ranges are: commercial (0°C  
to 70°C), order UC3832/3 (N or J); and industrial (–40°C to 85°C), order  
UC2832/3 (N or J). Surface mount packaging is also available.  
•
•
Access to VREF and E/A(+)  
Logic-Level Disable Input  
BLOCK DIAGRAMS  
UDG-92040  
SLUS387A - J UNE 1994 - REVISED - MAY 2003  
1234567...20

中文翻译

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UC2833DW 替代型号

型号 品牌 替代类型 描述 数据表
UC3833DWTR TI

类似代替

 Precision Low Dropout Linear Controllers
UC3833DW TI

类似代替

 Precision Low Dropout Linear Controllers

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 		SPECIALTY ANALOG CIRCUIT, PQCC20, PLASTIC, LCC-20
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