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LTC4213 - No RSENSE Electronic Circuit Breaker

Two integrated comparators provide dual level overcurrent protection over the bias supply to ground common mode range. The slow comparator has 16µs response while the fast comparator trips in 1µs. The circuit breaker has three selectable trip thresholds: 25mV, 50mV and 100mV. An ON pin controls the ON/OFF and resets circuit breaker faults. READY signals the MOSFET is conducting and the circuit breaker is armed. The LTC4213 operates from VCC = 2.3V to 6V.

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 Typical Application

Applications Electronic Circuit Breaker High-Side Switch Hot Board Insertion Packaging

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