DESCRIPTION
The LTC®4213 is an Electronic Circuit Breaker. An overcurrent circuit breaker senses the voltage across the drain and source terminals of an external N-channel MOSFET with no need for a sense resistor. The advantages are a lower cost and reduced voltage and power loss in the switch path. An internal high-side driver controls the external MOSFET gate.

FEATURES
■ Fast 1µs Response Circuit Breaker
■ 3 Selectable Circuit Breaker Thresholds
■ No Sense Resistor Required
■ Dual Level Overcurrent Fault Protection
■ Controls Load Voltages from 0V to 6V
■ High Side Drive for External N-Channel FET
■ Undervoltage Lockout
■ READY Pin Signals When Circuit Breaker Armed
■ Small Plastic (3mm x 2mm) DFN Package

APPLICATIONS
■ Electronic Circuit Breaker
■ High-Side Switch
■ Hot Board Insertion