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| 型号： | FPF2125 |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC LOAD SWITCH ADVANCED SOT23 |
| 产品变化通告： | Mold Compound Change 12/Dec/2007 |
| 标准包装： | 1 |
| 系列： | IntelliMax™ |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 160 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 可调 |
| 输入电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1217 (CN2011-ZH PDF) |
| 其它名称： | FPF2125DKR |
October 2008
FPF2123-FPF2125
IntelliMAX? Advanced Load Management Products
tm
Features
1.8 to 5.5V Input Voltage Range
Controlled Turn-On
0.15-1.5A Adjustable Current Limit
Undervoltage Lockout
Thermal Shutdown
<2 A Shutdown Current
Auto Restart
Fast Current limit Response Time
3 s to Moderate Over Currents
Fault Blanking
Reverse Current Blocking
RoHS Compliant
Applications
PDAs
Cell Phones
GPS Devices
MP3 Players
Digital Cameras
Peripheral Ports
Hot Swap Supplies
General Description
The FPF2123, FPF2124, and FPF2125 are a series of load
switches which provide full protection to systems and loads
which may encounter large current conditions. These devices
contain a 0.125 current-limited P-channel MOSFET which can
operate over an input voltage range of 1.8-5.5V. The current
limit is settable using an external resistor. Internally, current is
prevented from flowing when the MOSFET is off and the output
voltage is higher than the input voltage. Switch control is by a
logic input (ON) capable of interfacing directly with low voltage
control signals. Each part contains thermal shutdown protection
which shuts off the switch to prevent damage to the part when a
continuous over-current condition causes excessive heating.
When the switch current reaches the current limit, the parts
operate in a constant-current mode to prohibit excessive
currents from causing damage. For the FPF2123 and FPF2124
if the constant current condition still persists after 10ms, these
parts will shut off the switch. The FPF2123 has an auto-restart
feature which will turn the switch on again after 160ms if the ON
pin is still active. The FPF2124 does not have this auto-restart
feature so the switch will remain off after a current limit fault until
the ON pin is cycled. The FPF2125 will not turn off after a
current limit fault, but will rather remain in the constant current
mode indefinitely. The minimum current limit is 150mA.
These parts are available in a space-saving 5 pin SOT23
package
Typical Application Circuit
TO LOAD
V IN
V OUT
FPF2123 - FPF2125
OFF ON
ON
ISET
GND
Ordering Information
Part
FPF2123
FPF2124
FPF2125
Current Limit
[A]
0.15 - 1.5
0.15 - 1.5
0.15 - 1.5
Current Limit
Blanking Time
[ms]
5/10/20
5/10/20
Infinite
Auto-Restart
Time
[ms]
80/160/320
NA
NA
ON Pin
Activity
Active HI
Active HI
Active HI
Top Mark
2123
2124
2125
?2008 Fairchild Semiconductor Corporation
FPF2123-FPF2125 Rev. F
1
www.fairchildsemi.com
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相关代理商/技术参数 |
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| FPF2140_ABB3086B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FPF2140_ABB3086D WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FPF2142 | 功能描述:电源开关 IC - 配电 Full Function Load Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| FPF2143 | 功能描述:开关 IC - 各种 Full Function Load Switch RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
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