4684 MOSFET PDF

An integrated current-limiting circuit protects the input supply from large currents which potentially cause the supply to fall out of regulation. In addition, the AAT thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. The ultra-fast current-limit response to a sudden short circuit is a mere ns which reduces the requirements of local supply bypassing. This switch operates with inputs ranging from 2.

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An integrated current-limiting circuit protects the input supply from large currents which potentially cause the supply to fall out of regulation. In addition, the AAT thermal overload protection limits power dissipation and junction temperatures associated with prolonged periods of operation in current limit. The ultra-fast current-limit response to a sudden short circuit is a mere ns which reduces the requirements of local supply bypassing.

This switch operates with inputs ranging from 2. An integrated, highly accuarate current-limiting circuit protects the input supply against large currents which may cause the supply to fall out of regulation.

Reverse current blocking is provided to protect the load switch from reverse current flows while the device is in shutdown. The AAT is also protected from thermal overload which limits power dissipation and junction temperature.

Current limit threshold is programmed with a resistor from SET to ground and may be adjusted for load levels up to 1. To prevent false reporting, a 4ms time interval is used at startup charging a capacitive load , where fault conditions are not monitored and reported. When the input voltage exceeds the programmed overvoltage threshold, the N-channel MOSFET switch will be turned off to prevent damage to the output load circuits.

An external resistor divider is adopted to program the adjustable version over-voltage trip point. Over-current protection protects the case of output short circuits by disconnecting the load from the input supply. A battery voltage monitor is integrated and disconnect the IN and OUT when the battery voltage exceed its rated voltage.

Having independent drain outputs and a common source input, they operate with an input voltage ranging from 1.

Each switch features a ns turn-on time. The quiescent supply current is very low, typically 4. The switches operate with inputs ranging from 2. The dual configuration permits integration of the load switch function for systems with two different power busses. Independent under-voltage lockout circuits will shut down the corresponding switch if its input voltage falls below the under-voltage lockout threshold. If the die temperature reaches the thermal limit, both switches thermal cycle off and on indefinitely without damage until the thermal condition is removed.

Input logic levels are TTL compatible. The AAT is a four-channel resettable fuse. Each switch's current limit is factory programmed at 1A. Additional protection is provided with under-voltage lockout; the switches are turned off when the input voltage drops below a preset level. An integrated current-limiting circuit protects the input supply against large changes in load current which may cause the supply to fall out of regulation. The AAT is also protected from thermal overload which limits power dissipation and junction temperatures.

The current limit threshold is factory programmed at 1. The AAT series is a family of adjustable and fixed SmartSwitch products with a range of current handling capabilities. An integrated current-limiting circuit protects the input supply against large currents which may cause the supply to fall out of regulation. Reverse current blocking is provided to protect the load switch from reverse current potentials while the device is shutdown.

The AAT is also protected from thermal overload which is limited by power dissipation and junction temperatures. Current limit threshold is programmed with a resistor from SET to ground and may be adjusted for levels up to 1. An open drain FAULT flag signals an over-current or over-temperature condition after a 4ms blanking time to prevent false reporting.

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