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FPF2148 Datasheet

  • FPF2148

  • Full Function Load Switch

  • 760.59KB

  • 12頁

  • FAIRCHILD

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FPF2148 Full Function Load Switch
July 2007
FPF2148
Full Function Load Switch
Features
1.8 to 5.5V Input Voltage Range
Controlled Turn-On
200mA Current Limit Options
Undervoltage Lockout
Thermal Shutdown
<2碌A(chǔ) Shutdown Current
Fast Current limit Response Time
5碌s to Moderate Over Currents
30ns to Hard Shorts
Fault Blanking
Power Good Function
RoHS Compliant
tm
General Description
The FPF2148 is a load switch which provides full protection to
systems and loads which may encounter large current
conditions. These devices contain a 0.15鈩?current-limited
P-channel MOSFET which can operate over an input voltage
range of 1.8-5.5V. Switch control is by a logic input (ONB)
capable of interfacing directly with low voltage control signals.
The 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 part
operates in a constant-current mode to prohibit excessive
currents from causing damage. For the FPF2148, a current limit
condition will immediately pull the fault signal pin low and the
part will remain in the constant-current mode until the switch
current falls below the current limit. The minimum current limit is
200mA.
The part is available in a space-saving 6 pin 2X2 MLP package.
Applications
PDAs
Cell Phones
GPS Devices
MP3 Players
Digital Cameras
Peripheral Ports
Hot Swap Supplies
Pin 1
BOTTOM
TOP
Ordering Information
Part
FPF2148
Current Limit
[mA]
200/300/400
Current Limit
Blanking Time
[ms]
NA
Auto-Restart
Time
[ms]
NA
ONB Pin
Activity
Active LO
漏2007 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
FPF2148 Rev. B3

FPF2148 產(chǎn)品屬性

  • 3,000

  • 集成電路 (IC)

  • PMIC - 電源分配開關(guān)

  • -

  • 高端開關(guān)

  • 1

  • 160 毫歐

  • 是

  • 200mA

  • 1.8 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 6-MLP

  • 6-MicroFET（2x2）

  • 帶卷 (TR)

  • FPF2148TR

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