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UCC3917N

更新时间： 2024-11-20 20:31:51
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
27页 1599K
描述
Positive Floating Single, Hot-Swap IC Commercial Temp. 16-PDIP 0 to 70

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UCC3917N 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：DIP
包装说明：GREEN, PLASTIC, DIP-16针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.8Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDIP-T16JESD-609代码：e4
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：70 °C最低工作温度：
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
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：Power Management Circuits表面贴装：NO
技术：BICMOS温度等级：COMMERCIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)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 mm
Base Number Matches：1

UCC3917N 数据手册

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Obsolete Devices  
UCC2917  
UCC3917  
www.ti.com  
SLUS203D –FEBRUARY 2000–REVISED MAY 2013  
Positive Floating Hot-Swap Power Manager  
Check for Samples: UCC2917, UCC3917  
1
FEATURES  
DESCRIPTION  
The UCCx917 family of positive-floating hot-swap  
•
•
•
•
•
•
•
Manages Hot-Swap of 15 V and Above  
Precision Fault Threshold  
managers provides complete power management,  
hot-swap, and fault handling capability. The voltage  
limitation of the application is only restricted by the  
external component voltage limitations. The device  
provides its own supply voltage via a charge pump  
referenced to VOUT. The onboard 10-V shunt  
regulator protects the device from excess voltage.  
The devices also have catastrophic fault indication to  
alert the user that the ability to shut off the output N-  
channel MOSFET has been bypassed. All control and  
housekeeping functions are integrated and externally  
programmable. These include the fault current level,  
maximum output sourcing current, maximum fault  
time, soft-start time, and average N-channel  
MOSFET power limiting.  
Programmable Average Power Limiting  
Programmable Linear Current Control  
Programmable Overcurrent Limit  
Programmable Fault Time  
Internal Charge Pump to Control External N-  
channel MOSFET Device  
•
•
•
•
Fault Output and Catastrophic Fault Indication  
Fault Mode Programmable to Latch or Retry  
Shutdown Control  
Undervoltage Lockout  
The fault level across the current-sense amplifier is  
fixed at 50 mV to minimize total drop out. Once 50  
mV is exceeded across the current-sense resistor,  
the fault timer starts. The maximum allowable  
sourcing current is programmed with a voltage divider  
from the VREF/CATFLT pin to generate a fixed  
voltage on the MAXI pin. The current level at which  
the output appears as a current source is equal to  
VMAXI divided by the current-sense resistor. If desired,  
a controlled current startup can be programmed with  
a capacitor on MAXI.  
APPLICATIONS  
•
•
390-V DC Distribution  
General High-Voltage Power Management  
When the output current is below the fault level, the  
output device is switched on with full gate drive.  
When the output current exceeds the fault level, but  
is less than maximum allowable sourcing level  
programmed by MAXI, the output remains switched  
on, and the fault timer starts charging the timing  
capacitor CT. Once CT charges to 2.5 V, the output  
device is turned off and attempts either a retry  
sometime later or waits for the state on the LATCH  
pin to change if in latch mode. When the output  
current reaches the maximum sourcing current level,  
the output device appears as a current source.  
ORDERING INFORMATION  
TJ  
PACKAGED DEVICES  
DIP (J)  
DIP (N)  
SOIC (D)  
–40°C to 85°C  
0°C to 70°C  
UCC2917J UCC2917N UCC2917D  
UCC3917J UCC3917N UCC3917D  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
 
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UCC3917N 替代型号

型号 品牌 替代类型 描述 数据表
UCC2917N TI

完全替代

 Positive Floating Single, Hot-Swap IC Industrial Temp. Range 16-PDIP -40 to 85

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