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LT3975 - 2MHz Step-Down Switching Regulator

Description

The LT®3975 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 42V.

Low quiescent current design consumes only 2.7µA of supply current while regulating with no load.

Features

  • Ultralow Quiescent Current: 2.7µA IQ at 12VIN to 3.3VOUT n Low Ripple Burst Mode® Operation Output Ripple < 15mVP-P n Wide Input Range: Operation from 4.3V to 42V n 2.5A Maximum Output Current n Excellent Start-Up and Dropout Performance n Adjustable Switching Frequency: 200kHz to 2MHz n Synchronizable Between 250kHz to 2MHz n Accurate Programmable Undervoltage Lockout n Low Shutdown Current: I = 700nA Q n Power Good Flag n Soft-Start Capability n Thermal Shutdown Protection n.

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Datasheet preview – LT3975

Datasheet Details

Part number LT3975
Manufacturer Linear Technology
File Size 320.76 KB
Description 2MHz Step-Down Switching Regulator
Datasheet download datasheet LT3975 Datasheet
Additional preview pages of the LT3975 datasheet.

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Full PDF Text Transcription

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LT3975 42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current FEATURES Ultralow Quiescent Current: 2.7µA IQ at 12VIN to 3.3VOUT n Low Ripple Burst Mode® Operation Output Ripple < 15mVP-P n Wide Input Range: Operation from 4.3V to 42V n 2.
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