Full Function Load Switch
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General Description
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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? 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.
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Features
| 1.8 to 5.5V Input Voltage Range
Controlled Turn-On
200mA Current Limit Options
Undervoltage Lockout
Thermal Shutdown
<2µA Shutdown Current
Fast Current limit Response Time
5µs to Moderate Over Currents
30ns to Hard Shorts
Fault Blanking
Power Good Function
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Applications
| Power Good Function
Cell Phones
GPS Devices
MP3 Players
Digital Cameras
Peripheral Ports
Hot Swap Supplies
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Datasheet
Download this datasheet
e-mail this datasheet
This page
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Product Status/Pricing/Packaging 
| FPF2148 | Full Production | Green | $0.72 | MLP | 6 | TAPE REEL
|  | Line 1: &E&Y (Binary Calendar Year Coding)
Line 2: &O148&C
Line 3: &.&O&V
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* Fairchild 1,000 piece Budgetary Pricing
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| ** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples |
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Application Notes
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Qualification Support
Click on a product for detailed qualification data
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