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UCC2920N PDF预览

UCC2920N

更新时间： 2024-11-20 20:05:19
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管
页数 文件大小 规格书
7页 243K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16, DIP-16

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中文翻译

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UCC2920N 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIP
包装说明：DIP, DIP16,.3针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.8
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDIP-T16长度：19.305 mm
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封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP16,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5,-12 V
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：Power Management Circuits最大供电电流 (Isup)：2 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：5 V表面贴装：NO
技术：BICMOS温度等级：INDUSTRIAL
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

UCC2920N 数据手册

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UCC2920  
UCC3920  
PRELIMINARY  
–3V to –15V Hot Swap Power Manager  
FEATURES  
DESCRIPTION  
•
Integrated 0.1Ω  
The UCC3920 Low RDSon Hot Swap Power Manager provides complete power man-  
agement, hot swap capability, and circuit breaker functions. The only component  
needed to operate the device, other than supply bypassing, is the fault timing capaci-  
tor, CT. All control and housekeeping functions are integrated and externally program-  
mable. These include the fault current level, maximum output sourcing current, maxi-  
mum fault time, and start up delay. In the event of a constant fault, the internal fixed  
2% duty cycle ratio limits the average output power.  
Power MOSFET  
•
•
–3V to –15V Operation  
Programmable  
Electronic Circuit  
Breaker  
•
•
Digital Programmable  
Current Limit from 0A  
to 3A  
The internal 3 bit DAC allows programming of the fault level current from 0mA to  
500mA with 250mA resolution, and from 500mA to 3A with 500mA resolution. The  
IMAX control pin sets the maximum sourcing current to 1A above the fault level when  
driven low, and to a full 4A when driven high for applications which require fast output  
charging.  
Programmable  
Maximum Output  
Current from 0A to 4A  
When the output current is below the fault level, the output MOSFET is switched on  
with a nominal resistance of 0.1Ω. When the output current exceeds the fault level or  
the maximum sourcing level, the output remains on, but the fault timer starts charging  
CT. Once CT charges to a preset threshold, the switch is turned off, and remains off  
for 50 times the programmed fault time. When the output current reaches the maxi-  
mum sourcing level, the MOSFET transitions form a switch to a constant current  
source, regulating the output current at a constant level.  
•
•
Programmable On  
Time  
Fixed 2% Fault Duty  
Cycle  
•
•
•
Thermal Shutdown  
Other features include an Open Drain Fault Output Indicator, Thermal Shutdown, Un-  
dervoltage Lockout, –3V to –15V operation, and a low thermal resistance Small Out-  
line Power Package. All level shifting is done internally, which means that the DAC,  
IMAX and Shutdown Inputs can be driven form the logic supply. The fault output is  
also referenced to the logic GND, so this can easily interface back to the logic supply.  
Fault Output Indicator  
Power SOIC Package  
BLOCK DIAGRAM  
UDG-96235-1  
4/97  
1234567

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