FPF2116

FAIRCHILD SEMICONDUCTOR  FPF2116  电源负载开关, IntelliMAX, 高压侧, 高电平有效, 1路输出, 5.5V, 0.3A, SOT-23-5

The is a Load Switch which provides full protection to systems and loads which may encounter large current conditions. This device contains a 0.125R current-limited P-channel MOSFET which can operate over an input voltage range of 1.8 to 5.5V. 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. 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. If the constant current condition still persists after 30ms, the part will shut off the switch and pull the fault signal pin FLAGB low.

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Controlled turn-on

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Undervoltage lockout

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Thermal shutdown

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<2µA shutdown current

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Fast current limit response time

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3µs to moderate over currents

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20ns to hard shorts

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Reverse current blocking

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Fault blanking