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UCC3919N PDF预览

UCC3919N

更新时间: 2024-09-19 12:36:23
品牌 Logo 应用领域
德州仪器 - TI 电源电路电源管理电路
页数 文件大小 规格书
27页 825K
描述
3-V TO 8-V HOT SWAP POWER MANAGER

UCC3919N 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:PLASTIC, DIP-14针数:14
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.18Is 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-T14长度:19.305 mm
信道数量:1功能数量:1
端子数量:14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:DIP14,.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 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):1.5 mA
最大供电电压 (Vsup):8 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:COMMERCIAL
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

UCC3919N 数据手册

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ꢀ ꢁꢁ ꢂꢃ ꢄꢃ  
ꢀ ꢁꢁ ꢅꢃ ꢄꢃ  
SLUS374C − JULY 1999 − REVISED NOVEMBER 2005  
FEATURES  
DESCRIPTION  
D
Precision Fault Threshold  
The UCC3919 family of hot swap power  
managers provide complete power management,  
hot swap, and fault handling capability. The  
UCC3919 features a duty ratio current limiting  
technique, which provides peak load capability  
while limiting the average power dissipation of the  
external pass transistor during fault conditions.  
The UCC3919 has two reset modes, selected with  
the TTL/CMOS compatible L/R pin. In one mode,  
when a fault occurs the IC repeatedly tries to reset  
itself at a user defined rate, with user defined  
maximum output current and pass transistor  
power dissipation. In the other mode the output  
latches off and stays off until either the L/R pin is  
reset or the shutdown pin is toggled. The on board  
charge pump circuit provides the necessary gate  
voltage for an external N-channel power FET.  
D
Charge Pump for Low R  
Drive  
) High Side  
DS(on  
D
D
D
D
D
D
D
Differential Sense Inputs  
Programmable Average Power Limiting  
Programmable Linear Current Control  
Programmable Fault Time  
Fault Output Indicator  
Manual and Automatic Reset Modes  
Shutdown Control With Programmable  
Softstart  
D
Undervoltage Lockout  
D
Electronic Circuit Breaker Function  
TYPICAL APPLICATION DIAGRAM  
RS  
VDD  
CSN  
GATE  
CSP  
LINEAR  
CURRENT AMP  
IMAX  
+
FROM  
SUPPLY  
TO LOAD  
3 V TO 8 V  
IBIAS  
TIMER  
CAP  
CT  
GND  
UDG−01068  
ꢈꢢ  
Copyright 2001 − 2005, Texas Instruments Incorporated  
ꢞ ꢢ ꢟ ꢞꢗ ꢘꢬ ꢚꢙ ꢝ ꢥꢥ ꢣꢝ ꢛ ꢝ ꢜ ꢢ ꢞ ꢢ ꢛ ꢟ ꢧ  
1
www.ti.com  

UCC3919N 替代型号

型号 品牌 替代类型 描述 数据表
UCC3919D TI

完全替代

3-V TO 8-V HOT SWAP POWER MANAGER
UCC3919DTR TI

完全替代

3-V TO 8-V HOT SWAP POWER MANAGER
UCC2919DTR TI

完全替代

3-V TO 8-V HOT SWAP POWER MANAGER

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