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LTC3732CUHF The LTC3732CUHF is a 3-phase synchronous buck switching regulator controller from LT. It operates with an input voltage range of 4.5V to 32V and supports programmable output voltages from 1.1V to 1.85V.
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LTC3732CUHF

Available from 1 distributors
Mfr Name: LT
LT
The LTC3732CUHF is a 3-phase synchronous buck switching regulator controller from LT. It operates with an input voltage range of 4.5V to 32V and supports programmable output voltages from 1.1V to 1.85V.
✓ Total Stock: 331 pcs

LTC3732CUHF Available from 1 distributor

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Optech Co.,Limited ✓
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331 pcs
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331 pcs On Request 1 On Request On Request 07+ On Request On Request
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LTC3732CUHF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LTC3732CUHF Description

Short technical summary and product information.

The LTC3732CUHF is a PolyPhase synchronous step-down switching regulator controller designed by Linear Technology (LT). It drives N-channel external power MOSFET stages in a phase-lockable fixed frequency architecture, with 120° phase separation per phase up to 600kHz. This multi-phase technique effectively triples the fundamental frequency, improving transient response and optimizing efficiency.

 

Key electrical specifications include an input voltage range of 4.5V to 32V and a programmable output voltage range from 1.1V to 1.85V via a 5-bit VID DAC. The controller features onboard MOSFET drivers, differential remote sensing for accurate output voltage measurement, and selectable Stage Shedding or Burst Mode operation for light load efficiency.

 

It is available in a 38-lead QFN package and a 36-lead narrow SSOP package. The operating temperature range is 0°C to 70°C. Applications include high output current DC/DC power supplies for desktop and notebook computers.

LTC3732CUHF Quick Information

Product Type: DC DC Switching Controller
Canonical Name: LTC3732CUHF 3-Phase Synchronous Buck Switching Regulator Controller
Subcategory: DC-DC

LTC3732CUHF Compliance

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

LTC3732CUHF Features

  • 3-Phase current mode controller with onboard drivers.
  • Input voltage range 4.5V to 32V.
  • Programmable output voltage 1.1V to 1.85V.
  • Switching frequency up to 600kHz per phase.
  • Available in 38-QFN and 36-SSOP packages.

LTC3732CUHF Applications

  • Suitable for processor core power supplies.
  • Ideal for telecom and networking equipment.
  • Used in industrial power conversion systems.
  • Applicable in point-of-load regulation.

LTC3732CUHF FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LTC3732CUHF?

4.5V to 32V.

What is the supply voltage (VCC) range?

4.5V to 7V.

What is the switching frequency range?

250kHz to 600kHz per phase.

What output voltage can the LTC3732CUHF provide?

Programmable via VID DAC from 1.1V to 1.85V.

What package options are available?

38-WFQFN, 36-Lead Narrow SSOP, and 38-QFN.

What is the operating temperature range?

0°C to 70°C.

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