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LTC3813 Datasheet Synchronous Step-up Controller

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3813 100V Current Mode Synchronous Step-Up Controller.

General Description

The LTC3813 is a synchronous step-up switching regulator controller that can generate output voltages up to 100V.

The LTC3813 uses a constant off-time peak current control architecture with accurate cycle-by-cycle current limit, without requiring a sense resistor.

A precise internal reference provides ±0.5% DC accuracy.

Key Features

  • n High Output Voltages: Up to 100V n Large 1Ω Gate Drivers n No Current Sense Resistor Required n Dual N-Channel MOSFET Synchronous Drive n ±0.5% 0.8V Voltage Reference n Fast Transient Response n Programmable Soft-Start n Generates 10V Driver Supply from Input Supply n Synchronizable to External Clock n Power Good Output Voltage Monitor n Adjustable Off-Time/Frequency: tOFF(MIN) < 100ns n Adjustable Cycle-by-Cycle Current Limit n Programmable Undervoltage Lockout n Output Overvoltage Protection.

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