LT3990-3.3, LT3990 - 350mA Step-Down Regulator

Analog Devices

LT3990-3.3 Datasheet Preview — This datasheet PDF includes multiple part numbers: LT3990-3.3, LT3990. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	LT3990-3.3, LT3990
Manufacturer	Analog Devices ↗
File Size	701.89 KB
Description	350mA Step-Down Regulator
Datasheet	LT3990-AnalogDevices.pdf
Note	This datasheet PDF includes multiple part numbers: LT3990-3.3, LT3990. Please refer to the document for exact specifications by model.

LT3990-3.3 Product details

Description

The LT®3990 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 62V, and consumes only 2.5µA of quiescent current.

Features

n Low Ripple Burst Mode® Operation 2.5µA IQ at 12VIN to 3.3VOUT Output Ripple < 5mVP-P n Wide Input Voltage Range: 4.2V to 62V Operating n Adjustable Switching Frequency: 200kHz to 2.2MHz n Integrated Boost and Catch Diodes n 350mA Output Current n Fixed Output Voltages: 3.3V, 5V 2µA IQ at 12VIN n Accurate Programmable Undervoltage Lockout n FMEA Fault Tolerant (MSOP Package) Output Stays at or Below Regulation Voltage During Adjacent Pin Short or When a Pin is Left Floating n Low Shut.

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Published: Aug 29, 2023 |