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IMP2525-2BN PDF预览

IMP2525-2BN

更新时间： 2024-01-09 02:00:16
品牌 Logo 应用领域
A1PROS /
页数 文件大小 规格书
32页 372K
描述
Quad USB Hiigh--Siide Power Swiittch wiitth Faulltt Dettecttiion

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中文翻译

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IMP2525-2BN 技术参数

生命周期：Obsolete零件包装代码：DIP
包装说明：DIP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHED CAPACITOR CONVERTER
控制模式：CURRENT-MODE最大输入电压：5.5 V
最小输入电压：2.7 V标称输入电压：3.3 V
JESD-30 代码：R-PDIP-T8长度：9.59 mm
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：1.25 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE认证状态：Not Qualified
座面最大高度：5.33 mm表面贴装：NO
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

IMP2525-2BN 数据手册

 浏览型号IMP2525-2BN的Datasheet PDF文件第4页浏览型号IMP2525-2BN的Datasheet PDF文件第5页浏览型号IMP2525-2BN的Datasheet PDF文件第6页浏览型号IMP2525-2BN的Datasheet PDF文件第8页浏览型号IMP2525-2BN的Datasheet PDF文件第9页浏览型号IMP2525-2BN的Datasheet PDF文件第10页 
IMP2525  
P
OWER  
M
ANAGEMENT  
Key Features  
USB High-Side Power Switch  
– Single switch  
ꢀ
Meets or exceeds USB Rev. 1.1 and 2.0  
specification  
ꢀ Low MOSFET RON (0.14Ω at 3V)  
ꢀ 2.7V to 5.5V input operation  
– 0.14Ω "ON" resistance at 3V  
– MIC2525 pin compatible  
ꢀ Current limiting  
The IMP2525 high-side power switch IC is designed for self-powered  
and bus-powered Universal Serial Bus (USB) power supply and power  
management applications. The IMP2525 conforms to USB standards  
with a low output switch ON-resistance (RON) and minimal voltage drop  
across the switch. The fault current is limited to 750mA typically, and  
a flag output conveys fault conditions to the local USB controller.  
The IMP2525 provides a “Soft-Start” function that ramps up the ON-  
current to eliminate any excessive voltage drop on the input side that  
could occur due to charging a capacitive load in bus-powered applica-  
tions. Self-monitoring features include thermal shutdown to prevent  
catastrophic switch failure from high-current loads and undervoltage  
lockout (UVLO) that insures that the device remains off unless there is a  
valid supply voltage present. The Enable input logic can be interfaced  
with both 3.3V and 5V logic. Both active-HIGH and active-LOW enable  
logic versions are available. The IMP2525 devices are available in 8-pin  
DIP and 8-pin SO packages.  
ꢀ Soft-start turn-on (1ms) prevents turn-on glitches  
ꢀ 500mA continuous load current  
ꢀ MOSFET short-circuit current limit (1.25A max)  
ꢀ Low supply current  
– 110µA ON state current, 1µA OFF state current  
ꢀ Active-LOW or Active-HIGH Enable input  
ꢀ 3.3V or 5V logic compatibility  
ꢀ Fault Flag indicates three fault conditions:  
– Undervoltage  
– Current limit  
– Thermal shutdown  
ꢀ Open-drain Fault Flag output  
ꢀ 2.4V Undervoltage Lockout (UVLO)  
ꢀ Pin compatible with the Micrel MIC2525  
IMP offers a complete family of USB power management products. For  
dual-switch applications see the IMP2526 data sheet and for quad-switch  
application, see the IMP2524. The single-switch IMP2525A features a  
50% lower switch resistance, 0.07Ω.  
Applications  
ꢀ USB power management  
ꢀ USB hosts and self-powered hubs  
ꢀ Battery-charger circuits and power supplies  
Block Diagrams  
7
8
IN  
OUT  
1
1.2V  
Reference  
NC/OUT  
6
EN  
Current  
Limit  
Power  
Switch  
Gate  
UVLO  
Control  
Thermal  
Shutdown  
2
FLG  
Charge  
3
Oscillator  
Pump  
GND  
IMP2525  
2525_01.eps  
© 2000 IMP, Inc.  
408-432-9100/www.impweb.com  
1
1...45678910...32

中文翻译

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