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UC2902N PDF预览

UC2902N

更新时间: 2024-11-26 02:58:39
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
10页 305K
描述
LOAD SHARE CONTROLLER

UC2902N 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:DIP
包装说明:PLASTIC, DIP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.32Is 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-T8JESD-609代码:e4
长度:9.81 mm信道数量:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:6 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.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):10 mA
最大供电电压 (Vsup):20 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:BIPOLAR温度等级:INDUSTRIAL
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:6.35 mm
Base Number Matches:1

UC2902N 数据手册

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UC2902  
UC3902  
SLUS232E DECEMBER 19, 2002 REVISED JULY 2011  
LOAD SHARE CONTROLLER  
FEATURES  
DESCRIPTION  
D
D
D
D
2.7-V to 20-V Operation  
The UC3902 load share controller is an 8-pin  
8-Pin Package  
device that balances the current drawn from  
independent, paralleled power supplies. Load  
sharing is accomplished by adjusting each  
supplies’ output current to a level proportional to  
the voltage on a share bus.  
Requires Minimum Number of External  
Components  
Compatible with Existing Power Supply  
Designs Incorporating Remote Output  
Voltage Sensin  
The master power supply, which is automatically  
designated as the supply that regulates to the  
highest voltage, drives the share bus with a  
voltage proportional to its output current. The  
UC3902 trims the output voltage of the other  
paralleled supplies so that they each support their  
share of the load current. Typically, each supply is  
designed for the same current level although that  
is not necessary for use with the UC3902. By  
appropriately scaling the current sense resistor,  
supplies with different output current capability  
can be paralleled with each supply providing the  
same percentage of their output current capability  
for a particular load.  
D
D
D
D
Differential Share Bus  
Precision Current Sense Amplifier (40 Gain)  
UVLO (Undervoltage Lockout) Circuitry  
User Programmable Share Loop  
Compensation  
APPLICATIONS  
D
Paralelled Power Supplies  
GND  
1
8
VCC  
BIAS  
UVLO  
SHARE DRIVE AMPLIFIER  
+
40R  
R
SENSE  
2
7
6
SHARE+  
+
+
CURRENT SENSE  
AMPLIFIER  
SHARE SENSE AMPLIFIER  
SHARE  
ERROR AMPLIFIER  
+
ADJ  
3
4
+
35 mV  
0.6 V  
ADJ AMPLIFIER  
+
+
5
COMP  
2.3 V  
ADJR  
UDG01141  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2002 2008, Texas Instruments Incorporated  
1
www.ti.com  

UC2902N 替代型号

型号 品牌 替代类型 描述 数据表
UC3902NG4 TI

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Load Share Controller 8-PDIP 0 to 70
UC3902N TI

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LOAD SHARE CONTROLLER

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