FPF2124 ,IntelliMAX Advanced Load Management ProductsBlock Diagram VINUVLO REVERSECONTROL ON CURRENTLOGIC BLOCKINGCURRENT LIMITVTHERMAL OUTSHUTDOW ..
FPF2125 ,IntelliMAX Advanced Load Management ProductsGeneral Description 1.8 to 5.5V Input Voltage Range The FPF2123, FPF2124, and FPF2125 are a series ..
FPF2147 ,Full Function Load Switch with Reverse Current BlockingGeneral Description 1.8 to 5.5V Input Voltage Range The FPF2140/42/43/44/46/47 is a series of load ..
FPF2164 ,Full Function Load Switch with Adjustable Current LimitGeneral Description 1.8 to 5.5V Input Voltage Range The FPF2163, FPF2164, and FPF2165 is a series ..
FPF2165 ,Full Function Load Switch with Adjustable Current LimitGeneral Description 1.8 to 5.5V Input Voltage Range The FPF2163, FPF2164, and FPF2165 is a series ..
FPF2172 ,IntelliMAX?Advanced Load Management ProductsGeneral Description 1.8 to 5.5V Input Voltage Range The FPF2172 is a load switch which combines th ..
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FPF2123-FPF2124-FPF2125
IntelliMAX Advanced Load Management Products
FPF2123-FPF2125 IntelliMAX™ Advanced Load Management Products August 2005 FPF2123-FPF2125 IntelliMAX™ Advanced Load Management Products Features General Description 1.8 to 5.5V Input Voltage Range The FPF2123, FPF2124, and FPF2125 are a series of load switches which provides full protection to systems and loads Controlled Turn-On which may encounter large current conditions. These devices 0.15-1.5A Adjustable Current Limit contain a 0.125Ω current-limited P-channel MOSFET which can Undervoltage Lockout operate over an input voltage range of 1.8-5.5V. The current Thermal Shutdown limit is settable using an external resistor. Internally, current is <2uA Shutdown Current prevented from flowing when the MOSFET is off and the output voltage is higher than the input voltage. Switch control is by a Auto Restart logic input (ON) capable of interfacing directly with low voltage Fast Current limit Response Time control signals. Each part contains thermal shutdown protection 3us to Moderate Over Currents which shuts off the switch to prevent damage to the part when a 20ns to Hard Shorts continuous over-current condition causes excessive heating. Fault Blanking When the switch current reaches the current limit, the parts Reverse Current Blocking operate in a constant-current mode to prohibit excessive currents from causing damage. For the FPF2123 and FPF2124 Applications if the constant current condition still persists after 10ms, these parts will shut off the switch. The FPF2123 has an auto-restart PDAs feature which will turn the switch on again after 160ms if the ON Cell Phones pin is still active. The FPF2124 does not have this auto-restart GPS Devices feature so the switch will remain off after a current limit fault until MP3 Players the ON pin is cycled. The FPF2125 will not turn off after a current limit fault, but will rather remain in the constant current Digital Cameras mode indefinitely. The minimum current limit is 150mA. Peripheral Ports These parts are available in a space-saving 5 pin SOT23 Hot Swap Supplies package Typical Application Circuit TO LOAD V V IN OUT FPF2123 - FPF2125 OFF ON ON ISET GND ©2005 1 FPF2123-FPF2125 Rev. C
