LT1374CR-SYNC#TR The LT1374CR-SYNC#TR is an adjustable positive-output buck and SEPIC switching regulator IC from LT. It delivers up to 4.5A switch current with a wide 5V to 25V input range and operates at a 500kHz switching frequency.
Mfr Part #:

LT1374CR-SYNC#TR

Available from 1 distributors
Mfr Name: LT
LT
The LT1374CR-SYNC#TR is an adjustable positive-output buck and SEPIC switching regulator IC from LT. It delivers up to 4.5A switch current with a wide 5V to 25V input range and operates at a 500kHz switching frequency.
✓ Total Stock: 26 pcs

LT1374CR-SYNC#TR Available from 1 distributor

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26 pcs
26 pcs On Request 1 On Request On Request 03+ On Request On Request

LT1374CR-SYNC#TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
SVHC Present
Tape & Reel

LT1374CR-SYNC#TR Description

Short technical summary and product information.

The LT1374CR-SYNC#TR is a monolithic switching regulator integrated circuit designed for efficient step-down and SEPIC conversion applications. Manufactured by LT, this device provides an adjustable positive output voltage ranging from 2.42V to 21.5V, driven by an input supply between 5V and 25V. It supports continuous switch currents up to 4.5A and operates at a fixed 500kHz switching frequency, allowing for compact external passive components.

 

The regulator does not include synchronous rectification, making it suitable for cost-sensitive designs requiring reliable power management. Packaged in a surface-mount TO-263-8 D²Pak (7 leads plus tab) case, it ensures efficient thermal dissipation for junction temperatures up to 125°C. This component is well-suited for point-of-load regulation in servers, routers, telecom equipment, industrial controls, and automotive electronics where medium-to-high current delivery and wide input voltage tolerance are required.

LT1374CR-SYNC#TR Quick Information

Product Type: DC-DC Switching Regulator IC
Canonical Name: LT1374CR-SYNC#TR
Subcategory: Switching Regulator

LT1374CR-SYNC#TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LT1374CR-SYNC#TR Features

  • Adjustable positive output ranges from 2.42V to 21.5V.
  • Delivers up to 4.5A continuous switch current.
  • Supports wide 5V to 25V input voltage range.
  • Operates at fixed 500kHz switching frequency.
  • TO-263-8 D²Pak package enables efficient thermal dissipation.

LT1374CR-SYNC#TR Applications

  • Enables point-of-load regulation in server and router supplies.
  • Used in telecom and networking equipment voltage conversion.
  • Suitable for industrial control system power management circuits.
  • Applied in automotive electronics step-down and SEPIC designs.
  • Used in portable instrumentation battery-powered voltage regulation.

LT1374CR-SYNC#TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the LT1374CR-SYNC#TR?

The input voltage range is 5V to 25V, and the output voltage can be adjusted from 2.42V to 21.5V.

What is the package type of this regulator?

It is available in a surface mount TO-263-8 (D2PAK) package with 7 leads plus tab.

What operating temperature range does this device support?

The operating junction temperature range is 0°C to 125°C.

What is the switching frequency of the LT1374CR-SYNC#TR?

The switching frequency is fixed at 500kHz.

What topologies does this regulator support?

It supports both buck and SEPIC topologies.

What is the maximum switch current?

The maximum switch current is 4.5A.

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