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LT3748EMS#TRPBF The LT3748EMS#TRPBF is a 100V isolated flyback controller from Analog Devices. It features a wide input voltage range and boundary mode operation.
Mfr Part #:

LT3748EMS#TRPBF

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The LT3748EMS#TRPBF is a 100V isolated flyback controller from Analog Devices. It features a wide input voltage range and boundary mode operation.
✓ Total Stock: 1,996 pcs
$ Price Range: $0.78

LT3748EMS#TRPBF Available from 2 distributors

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✓ Non-Authorised
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Braun Electronic Components ✓
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998 pcs
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998 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
998 pcs
On Request
998 pcs On Request 1 On Request On Request On Request On Request On Request
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LT3748EMS#TRPBF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LT3748EMS#TRPBF Description

Short technical summary and product information.

The LT3748EMS#TRPBF is a switching regulator controller designed for isolated flyback topologies, capable of high power applications. It operates from input voltages ranging from 5V to 100V and drives an external N-channel MOSFET.

 

This controller utilizes boundary mode operation, enabling a compact magnetic solution without compromising load regulation. The operating frequency is determined by the load current and transformer magnetizing inductance. The LT3748 can deliver load power up to several tens of watts.

 

Key features include a 5V to 100V input voltage range, 1.9A average gate drive source and sink current, and primary-side winding feedback for load regulation. The output voltage is set using two external resistors. It supports programmable soft start and undervoltage lockout.

 

The LT3748EMS#TRPBF is supplied in a 16-lead MSOP package suitable for surface mounting. It is also AEC-Q100 qualified for automotive applications, making it suitable for isolated telecom, automotive, and industrial power supplies.

LT3748EMS#TRPBF Quick Information

Product Type: DC DC Switching Controller
Canonical Name: LT3748 Isolated Flyback Controller
Subcategory: DC-DC

LT3748EMS#TRPBF Compliance

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

LT3748EMS#TRPBF Estimated Pricing

Qty Low High
1+ $0.78 $0.78

Estimated market price range - modelled values for guidance only, not live distributor offers.

LT3748EMS#TRPBF Features

  • 100V isolated flyback controller.
  • Wide 5V to 100V input voltage range.
  • Boundary mode operation for compact solutions.
  • Primary-side feedback for regulation.
  • AEC-Q100 qualified for automotive use.

LT3748EMS#TRPBF Applications

  • Isolated telecom power supplies.
  • High power automotive supplies.
  • Isolated industrial power supplies.
  • Military and high temperature applications.

LT3748EMS#TRPBF FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LT3748EMS#TRPBF?

The input voltage range is 5V to 100V.

What package type is the LT3748EMS#TRPBF available in?

It is available in a 16-TFSOP (16-MSOP) surface mount package with 12 leads.

What is the operating temperature range of the LT3748EMS#TRPBF?

The junction temperature range is -40°C to 125°C.

What topology does the LT3748EMS#TRPBF support?

It supports flyback topology.

What is the output type of the LT3748EMS#TRPBF?

It is a transistor driver.

What is the gate drive current capability?

The average gate drive source and sink current is 1.9A.

What control features does the LT3748EMS#TRPBF include?

It includes enable and soft start.

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