LTC1698

PRODUCTION

Isolated Secondary Synchronous Rectifier Controller

Data Sheet Product Selection Table

Part Models: 8
1ku List Price: Starting From $6.31

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Part Details

High Efficiency Over Wide Load Current Range
±0.8% Output Voltage Accuracy
Dual N-Channel MOSFET Synchronous Drivers
Pulse Transformer Synchronization
Optocoupler Feedback Driver
Programmable Current Limit Protection
±5% Margin Output Voltage Adjustment
Adjustable Overvoltage Fault Protection
Power Good Flag
Auxiliary 3.3V Logic Supply
Available in 16-Lead SSOP and SO Packages

Part Models: 8
1ku List Price: Starting From $6.31

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
LTC1698EGN#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698EGN#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698ES#PBF	16-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698ES#TRPBF	16-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698IGN#PBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698IGN#TRPBF	16-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698IS#PBF	16-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1698IS#TRPBF	16-Lead SOIC (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Oct 3, 2024 - 24_0235 (QSOP/SSOP PKG) Migrating Bottom Trace Code Marking to Top Side Laser Marking
		PCN24_0235_Form Material_Report Other Delta Qualification Matrix
LTC1698EGN#PBF	PRODUCTION
LTC1698EGN#TRPBF	PRODUCTION
LTC1698IGN#PBF	PRODUCTION
LTC1698IGN#TRPBF	PRODUCTION
Oct 11, 2022 - 22_0235 Epoxy Change from Henkel 8290 to 8290A for GN Package
		PCN22_0235_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC1698EGN#PBF	PRODUCTION
LTC1698EGN#TRPBF	PRODUCTION
LTC1698IGN#PBF	PRODUCTION
LTC1698IGN#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0066 Laser Top Mark for 16QSOP Assembled in ADPG [PNG]
		PCN22_0066_Form Material_Report Delta Qualification Matrix
LTC1698EGN#PBF	PRODUCTION
LTC1698EGN#TRPBF	PRODUCTION
LTC1698IGN#PBF	PRODUCTION
LTC1698IGN#TRPBF	PRODUCTION
Oct 24, 2024 - 24_0246 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package
		PCN24_0246_Form Material_Report Marking Comparison Delta Qualification Matrix
LTC1698ES#PBF	PRODUCTION
LTC1698ES#TRPBF	PRODUCTION
LTC1698IS#PBF	PRODUCTION
LTC1698IS#TRPBF	PRODUCTION
Oct 12, 2022 - 22_0252 Epoxy Change from Henkel 8290 to 8290A for 16-Lead SOIC Package
		PCN22_0252_Form Material_Report Qualification Results Summary
LTC1698ES#PBF	PRODUCTION
LTC1698ES#TRPBF	PRODUCTION
LTC1698IS#PBF	PRODUCTION
LTC1698IS#TRPBF	PRODUCTION
Aug 6, 2022 - 22_0173 Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]
		PCN22_0173_Form Material_Report Delta Qualification Matrix
LTC1698ES#PBF	PRODUCTION
LTC1698ES#TRPBF	PRODUCTION
LTC1698IS#PBF	PRODUCTION
LTC1698IS#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

LTspice 1

LT3781 - Switching Regulators, LTC1698 - Power Control

Models for the following parts are available in LTspice:

LTC1698

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.

Evaluation Kits

LT3781EG, LTC1698EGN, LT1783CS5 | Isolated Synchronous, Forward Converter, VIN=36V-72V, VOUT=3.3V @ 15A

Buy Now View Details

Product Details

DC479A Demo Board for:
LT1783 1.25MHz, Over-The-Top Micropower, Rail-to-Rail Input and Output Op Amp in SOT-23
LTC1698 Isolated Secondary Synchronous Rectifier Controller
LT3781 Bootstrap Start Dual Transistor Synchronous Forward Controller