LTC3807 Datasheet Synchronous Step-down Controller

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3807 Low IQ, Synchronous Step-Down Controller with 24V Output Voltage.

Datasheet Details

Part number	LTC3807
Manufacturer	Linear Technology (now Analog Devices)
File Size	558.23 KB
Description	Synchronous Step-Down Controller
Datasheet	LTC3807-Linear.pdf

General Description

The LTC®3807 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage.

A constant frequency current mode architecture allows a phase-lockable frequency of up to 750kHz.

The 50μA no-load quiescent current extends operating run time in battery-powered systems.

Key Features

n Wide VIN Range: 4V to 38V (40V Abs Max) n Low Operating IQ: 50μA n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n RSENSE or DCR Current Sensing n Phase-Lockable Frequency (75kHz to 750kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Load n Selectable Current Limit n Very Low Dropout Operation: 99% Duty Cycle n Adjustable Output Voltage Soft-Start or Tracking n Power Good Output Voltage Monitor n Output Ov.

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