LT3748

PRODUCTION

100V Isolated Flyback Controller

Part Models: 12
1ku List Price: Starting From $3.75

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Part Details

5V to 100V Input Voltage Range
1.9A Average Gate Drive Source and Sink Current
Boundary Mode Operation
No Transformer Third Winding or Opto-Isolator Required for Regulation
Primary-Side Winding Feedback Load Regulation

V_OUT Set with Two External Resistors
INTV_CC Pin for Control of Gate Driver Voltage
Programmable Soft Start
Programmable Undervoltage Lockout
Available in MSOP Package
AEC-Q100 Qualified for Automotive Applications

Part Models: 12
1ku List Price: Starting From $3.75

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LT3748EMS#PBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748EMS#TRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748HMS#PBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748HMS#TRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748HMS#WPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748HMS#WTRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748IMS#PBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748IMS#TRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748IMS#WPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748IMS#WTRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748MPMS#PBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3748MPMS#TRPBF	16(12)-Lead MSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 4, 2020 - 20_0129 Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0129_Form Material_Report
LT3748EMS#PBF	PRODUCTION
LT3748EMS#TRPBF	PRODUCTION
LT3748HMS#PBF	PRODUCTION
LT3748HMS#TRPBF	PRODUCTION
LT3748IMS#PBF	PRODUCTION
LT3748IMS#TRPBF	PRODUCTION
LT3748MPMS#PBF	PRODUCTION
LT3748MPMS#TRPBF	PRODUCTION
Apr 18, 2022 - 22_0050 UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices
		PCN22_0050_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT3748HMS#PBF	PRODUCTION
LT3748HMS#TRPBF	PRODUCTION
LT3748IMS#PBF	PRODUCTION
LT3748IMS#TRPBF	PRODUCTION
Oct 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package
		PCN22_0244_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT3748MPMS#PBF	PRODUCTION
LT3748MPMS#TRPBF	PRODUCTION

Hardware Ecosystem

Parts	Product Life Cycle	Description
Protection Switches & Controllers 2
LT4320 LT4320-1		Ideal Diode Bridge Controller
LT4363	RECOMMENDED FOR NEW DESIGNS	High Voltage Surge Stopper with Current Limit
Switching Regulators & Controllers 2
LTM8048	RECOMMENDED FOR NEW DESIGNS	3.1V_IN to 32V_IN Isolated μModule (Power Module) DC/DC Converter with LDO Post Regulator
LTM8047	RECOMMENDED FOR NEW DESIGNS	3.1V_IN to 32V_IN Isolated μModule (Power Module) DC/DC Converter

Parts	Product Life Cycle	Description
LT8302 LT8302-3		42V_IN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LT3748

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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LT3748

Part Details

Documentation

Reliability Data 1

Application Note 1

Technical Articles 3

Product Selector Card 2

Rarely Asked Question Page 1

Hardware Ecosystem

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

Latest Discussions

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