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LT1507 - 500kHz Monolithic Buck Mode Switching Regulator

This page provides the datasheet information for the LT1507, a member of the LT1 500kHz Monolithic Buck Mode Switching Regulator family.

Datasheet Summary

Description

The LT®1507 is a 500kHz monolithic buck mode switching regulator, functionally identical to the LT1375 but optimized for lower input voltage applications.

It will operate over a 4V to 15V input range, compared with 5.5V to 25V for the LT1375.

Features

  • s s s s s s s s Constant 500kHz Switching Frequency Uses All Surface Mount Components Operates with Inputs as Low as 4V Saturated Switch Design (0.3Ω) Cycle-by-Cycle Current Limiting Easily Synchronizable Inductor Size as Low as 2µH Shutdown Current: 20µA with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Bot.

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Datasheet preview – LT1507

Datasheet Details

Part number LT1507
Manufacturer Linear Technology
File Size 343.51 KB
Description 500kHz Monolithic Buck Mode Switching Regulator
Datasheet download datasheet LT1507 Datasheet
Additional preview pages of the LT1507 datasheet.

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Full PDF Text Transcription

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LT1507 500kHz Monolithic Buck Mode Switching Regulator FEATURES s s s s s s s s Constant 500kHz Switching Frequency Uses All Surface Mount Components Operates with Inputs as Low as 4V Saturated Switch Design (0.3Ω) Cycle-by-Cycle Current Limiting Easily Synchronizable Inductor Size as Low as 2µH Shutdown Current: 20µA with all the necessary oscillator, control and logic circuitry. High switching frequency allows a considerable reduction in the size of external components. The topology is current mode for fast transient response and good loop stability. Both fixed output voltage (3.3V) and adjustable parts are available. A special high speed bipolar process and new design techniques allow this regulator to achieve high efficiency at a high switching frequency.
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