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LT3573EMSE#PBF The LT3573EMSEPBF is a monolithic switching regulator from Analog Devices, Inc., designed for isolated flyback topologies. It operates with input voltages from 3V to 40V and can deliver up to 7W of output power.
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LT3573EMSE#PBF

Available from 1 distributors
Mfr Name: LT
LT
The LT3573EMSEPBF is a monolithic switching regulator from Analog Devices, Inc., designed for isolated flyback topologies. It operates with input voltages from 3V to 40V and can deliver up to 7W of output power.
✓ Total Stock: 5,130 pcs

LT3573EMSE#PBF Available from 1 distributor

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5,130 pcs
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5130 pcs On Request 1 On Request On Request 19+ On Request On Request
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LT3573EMSE#PBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Industrial Grade
Lead Spacing
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Number of Outputs
Output Power
SVHC Present
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Tape & Reel
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LT3573EMSE#PBF Description

Short technical summary and product information.

The LT3573EMSEPBF is a monolithic switching regulator specifically designed for the isolated flyback topology, eliminating the need for a third winding or opto-isolator for regulation. It directly senses the isolated output voltage from the primary-side flyback waveform.

 

This component integrates a 1.25A, 60V NPN power switch along with control logic into a 16-lead MSOP package. It operates with input supply voltages ranging from 3V to 40V and can deliver output power up to 7W without external power devices. The LT3573EMSEPBF utilizes boundary mode operation to achieve a small magnetic solution with improved load regulation.

 

Key features include an integrated NPN power switch, boundary mode operation, and the ability to set the output voltage with two external resistors. It is suitable for industrial, automotive, and medical isolated power supply applications.

LT3573EMSE#PBF Quick Information

Product Type: DC DC Converter
Canonical Name: LT3573EMSE#PBF Isolated Flyback Converter
Subcategory: Flyback, Forward & Isolated Controllers

LT3573EMSE#PBF Compliance

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

LT3573EMSE#PBF Features

  • Monolithic isolated flyback converter.
  • No opto-isolator required for regulation.
  • 3V to 40V input voltage range.
  • Up to 7W output power.
  • Integrated 1.25A, 60V NPN power switch.

LT3573EMSE#PBF Applications

  • Used in industrial isolated power supply designs.
  • Suitable for automotive isolated DC-DC converters.
  • Ideal for medical isolated power supply applications.
  • Enables compact flyback converters without opto-coupler.

LT3573EMSE#PBF FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3573EMSE#PBF?

The input voltage range is 3V to 40V.

What is the output power of the LT3573EMSE#PBF?

The typical output power is 7W.

What is the package type of the LT3573EMSE#PBF?

It comes in a 16-MSOP package.

What are the ratings of the integrated NPN power switch?

The integrated NPN power switch is rated at 1.25A and 60V.

What topology does the LT3573EMSE#PBF use?

It uses an isolated flyback topology without an optocoupler (no-opto).

How many outputs does the LT3573EMSE#PBF have?

It has a single output.

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