LTC3769

Name: LTC3769
Brand: Analog Devices
Price: 4.38 USD
Availability: InStock

RECOMMENDED FOR NEW DESIGNS

60V Low I_Q Synchronous Boost Controller with PassThru

Data Sheet (Rev. B) Product Selection Table

Part Models: 20
1ku List Price: Starting From $4.20

Viewing:

Overview

Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation
Wide V_IN Range: 4.5V to 60V (65V Abs Max); Operates Down to 2.3V After Start-Up
Output Voltage Up to 60V
±1% 1.200V Reference Voltage
R_SENSE or Inductor DCR Current Sensing
100% Duty Cycle Capability for Synchronous MOSFET
Low Quiescent Current: 28μA

Phase-Lockable Frequency (75kHz to 850kHz)
Programmable Fixed Frequency (50kHz to 900kHz)
Power Good Output Voltage Monitor
Low Shutdown Current: 4μA
Internal LDO Powers Gate Drive from VBIAS or EXTV_CC
Thermally Enhanced Low Profile 24-Pin 4mm × 4mm QFN Package and 20-Lead TSSOP Package
AEC-Q100 Qualified for Automotive Applications

Part Models: 20
1ku List Price: Starting From $4.20

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
LTC3769EFE#PBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769EFE#TRPBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769EUF#PBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769EUF#TRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HFE#PBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HFE#TRPBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HUF#PBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HUF#TRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HUF#WPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769HUF#WTRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IFE#PBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IFE#TRPBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IUF#PBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IUF#TRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IUF#WPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769IUF#WTRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769MPFE#PBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769MPFE#TRPBF	20-Lead TSSOP w/ EP	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769MPUF#PBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3769MPUF#TRPBF	24-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 14, 2025 - 25_0017 Bond Wire Change from Gold to Copper
		PCN25_0017_Form Material_Report
LTC3769EFE#PBF	PRODUCTION
LTC3769EFE#TRPBF	PRODUCTION
LTC3769HFE#PBF	PRODUCTION
LTC3769HFE#TRPBF	PRODUCTION
Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
		PCN22_0068_Form Material_Report
LTC3769EFE#PBF	PRODUCTION
LTC3769EFE#TRPBF	PRODUCTION
LTC3769HFE#PBF	PRODUCTION
LTC3769HFE#TRPBF	PRODUCTION
LTC3769IFE#PBF	PRODUCTION
LTC3769IFE#TRPBF	PRODUCTION
LTC3769MPFE#PBF	PRODUCTION
LTC3769MPFE#TRPBF	PRODUCTION
Apr 14, 2025 - 25_0017 Bond Wire Change from Gold to Copper
		PCN25_0017_Form Material_Report
LTC3769EUF#PBF	PRODUCTION
LTC3769EUF#TRPBF	PRODUCTION
LTC3769HUF#PBF	PRODUCTION
LTC3769HUF#TRPBF	PRODUCTION
LTC3769HUF#WPBF	PRODUCTION
LTC3769HUF#WTRPBF	PRODUCTION
LTC3769IFE#PBF	PRODUCTION
LTC3769IFE#TRPBF	PRODUCTION
LTC3769IUF#PBF	PRODUCTION
LTC3769IUF#TRPBF	PRODUCTION
LTC3769IUF#WPBF	PRODUCTION
LTC3769IUF#WTRPBF	PRODUCTION
Jan 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
		PCN21_0269_Form Material_Report Detailed Change Description
LTC3769EUF#PBF	PRODUCTION
LTC3769EUF#TRPBF	PRODUCTION
LTC3769HUF#PBF	PRODUCTION
LTC3769HUF#TRPBF	PRODUCTION
LTC3769IUF#PBF	PRODUCTION
LTC3769IUF#TRPBF	PRODUCTION
LTC3769MPUF#PBF	PRODUCTION
LTC3769MPUF#TRPBF	PRODUCTION
Apr 17, 2025 - 25_0043 Change of Gold to Copper Wire and BOM (Automotive)
		PCN25_0043_Form Material_Report
LTC3769HUF#WPBF	PRODUCTION
LTC3769HUF#WTRPBF	PRODUCTION
LTC3769IUF#WPBF	PRODUCTION
LTC3769IUF#WTRPBF	PRODUCTION

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

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts	Product Life Cycle	Description
Ideal Diodes and PowerPath Controllers 1
LTC4417	RECOMMENDED FOR NEW DESIGNS	Prioritized PowerPath^™ Controller
Overvoltage & Overcurrent Protectors 1
LTC4365	RECOMMENDED FOR NEW DESIGNS	Overvoltage, Undervoltage and Reverse Supply Protection Controller

Tools & Simulations

LTspice 1

LTC3769 Demo Circuit - High Voltage 60V Synchronous Boost Controller (6-55V to 48V @ 1A)

Models for the following parts are available in LTspice:

LTC3769

LTpowerCAD 1

LTC3769 Project - High Voltage Boost Controller (6-44V to 48.3 @ 6A)

Design tools for the following parts are available in LTpowerCAD:

LTC3769

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.

LTpowerCAD^® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

LTC3769IUFD Demo Board | Sync Boost, 6V ≤ VIN ≤ 48V, VOUT= 48V @ 1.5A to 6A

Buy Now View Details

Product Details

Demonstration circuit DC2173A is a DC/DC synchronous boost converter featuring the LTC3769 constant frequency current mode synchronous boost controller. The DC2173A generates a 48V output voltage and provides 1.5A to 6A of output current.

Resources

DC2173A - Demo Manual (Rev.B)
9/12/2014

DC2173A - Schematic
7/28/2014

DC2173A - Design Files
7/28/2014

Latest Discussions

28 Weeks Ago

1 Years Ago