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AAT4702 - Auto-Restarting Current Limiting Load Switch

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General Description

The AAT4702 SmartSwitch™ is a member of Skyworks' Application Specific Power MOSFET™ (ASPM™) product family.

This device integrates a high side P-channel MOSFET current limiting load switch with a nanopower low dropout (LDO) linear voltage regulator, making the AAT4702 ideal for use in load current protected applications that also require a system power supply.

The load switch operates with input voltages ranging from 2.4V to 5.5V, making it ideal for 2.5V, 3V, and 5V systems.

Overview

DATA SHEET AAT4702 Auto-Restarting Current Limiting Load Switch with LDO Regulator.

Key Features

  • Load Switch:.
  •  2.4V-5.5V Input Voltage Range.
  •  150mA Default Current Limit Level.
  •  270m Typical RDS(ON) at 2.4V.
  •  400ns Response to Short Circuit.
  •  Reverse Voltage Protection.
  •  Current Limit Shutdown with Output Pull Down.
  •  Auto Restart with 40ms Timer.
  •  5ms Fault Blanking Timeout.
  •  Under-Voltage Lockout Protection LDO Regulator:.
  •  Output Current up to 100mA.
  •  1.8V Output Voltage with ±2% Accuracy.
  •  Thermal and Short Circuit Protection.

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