LTC3546EUFD#TRPBF The LTC3546EUFD#TRPBF is a dual, synchronous step-down DC/DC converter from LT. It operates with an input voltage range of 2.3V to 5.5V and provides adjustable output voltages from 0.6V to 5V.
Mfr Part #:

LTC3546EUFD#TRPBF

Available from 1 distributors
Mfr Name: LT
LT
The LTC3546EUFD#TRPBF is a dual, synchronous step-down DC/DC converter from LT. It operates with an input voltage range of 2.3V to 5.5V and provides adjustable output voltages from 0.6V to 5V.
✓ Total Stock: 2,309 pcs

LTC3546EUFD#TRPBF Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,309 pcs
2309 pcs On Request 1 On Request On Request 2018 On Request On Request

LTC3546EUFD#TRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Automotive Grade
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Military Grade
Tape & Reel

LTC3546EUFD#TRPBF Description

Short technical summary and product information.

The LTC3546EUFD#TRPBF is a dual, constant-frequency, synchronous step-down DC/DC converter designed for medium power applications by LT. It features configurable 3A/1A or 2A/2A output configurations.

 

The device supports an input voltage range from 2.3V to 5.5V and offers adjustable output voltages from 0.6V to 5V. The switching frequency can be set to 2.25MHz, adjusted between 0.75MHz and 4MHz, or synchronized to an external clock. Internal synchronous low RDS(ON) power switches contribute to high efficiency, reaching up to 96%, and eliminate the need for external Schottky diodes.

 

User-selectable modes, including Burst Mode operation, pulse skipping, and forced continuous modes, allow for a trade-off between ripple noise and power efficiency. Burst Mode operation is particularly effective at light loads, providing high efficiency. The regulator is capable of low dropout configurations, allowing both channels to operate at 100% duty cycle. In shutdown mode, the device consumes less than 1µA.

 

The LTC3546EUFD#TRPBF is available in a thermally enhanced 28-lead (4mm x 5mm) QFN package, suitable for surface mount applications.

LTC3546EUFD#TRPBF Quick Information

Product Type: DC/DC Switching Regulator
Series: LTC3546
Canonical Name: LTC3546EUFD#TRPBF Dual Synchronous Step-Down DC/DC Regulator
Subcategory: Power Management ICs

LTC3546EUFD#TRPBF Compliance

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

LTC3546EUFD#TRPBF Features

  • Dual synchronous step-down DC/DC regulator.
  • Input voltage range 2.3V to 5.5V.
  • Output voltage range 0.6V to 5V.
  • High efficiency up to 96%.
  • Low shutdown current less than 1µA.

LTC3546EUFD#TRPBF Applications

  • Suitable for medium power applications.
  • Configurable for 3A/1A or 2A/2A outputs.
  • Low dropout operation at 100% duty cycle.
  • User-selectable efficiency/noise modes.

LTC3546EUFD#TRPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LTC3546EUFD#TRPBF?

The input voltage range is 2.3V to 5.5V.

What is the output voltage range for the LTC3546EUFD#TRPBF?

The output voltage range is 0.6V to 5V.

What is the maximum efficiency of the LTC3546EUFD#TRPBF?

The maximum efficiency is up to 96%.

What is the shutdown current for the LTC3546EUFD#TRPBF?

The shutdown current is less than 1µA.

What package is the LTC3546EUFD#TRPBF supplied in?

It is supplied in a 28-VFQFN Exposed Pad package.

What is the RoHS status of the LTC3546EUFD#TRPBF?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the LTC3546EUFD#TRPBF?

The Moisture Sensitivity Level is 1 Unlimited.

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