LT8331

RECOMMENDED FOR NEW DESIGNS

Low I_Q Boost/SEPIC/Flyback/Inverting Converter with 0.5A, 140V Switch

Data Sheet (Rev. C) Product Selection Table

Part Models: 8
1ku List Price: Starting From $3.54

Viewing:

Part Details

Wide Input Voltage Range: 4.5V to 100V
Ultralow Quiescent Current and Low Ripple Burst Mode^® Operation: I_Q = 6µA
0.5A, 140V Power Switch
Positive or Negative Output Voltage Programming with a Single Feedback Pin

Programmable Frequency (100kHz to 500kHz)
Synchronizable to an External Clock
BIAS Pin for Higher Efficiency
Programmable Undervoltage Lockout (UVLO)
Thermally-Enhanced High Voltage MSOP Package
AEC-Q100 Qualified for Automotive Applications

Part Models: 8
1ku List Price: Starting From $3.54

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
LT8331EMSE#PBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331EMSE#TRPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331EMSE#WPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331EMSE#WTRPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331IMSE#PBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331IMSE#TRPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331IMSE#WPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT8331IMSE#WTRPBF	16(12)-Lead MSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN
No Match Found
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
LT8331EMSE#PBF	PRODUCTION
LT8331EMSE#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
LT8331EMSE#PBF	PRODUCTION
LT8331EMSE#TRPBF	PRODUCTION
Feb 4, 2020 - 20_0129 Laser Mark Conversion for 12-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0129_Form Material_Report
LT8331EMSE#PBF	PRODUCTION
LT8331EMSE#TRPBF	PRODUCTION
LT8331EMSE#WPBF
LT8331EMSE#WTRPBF
LT8331IMSE#PBF	PRODUCTION
LT8331IMSE#TRPBF	PRODUCTION
LT8331IMSE#WPBF
LT8331IMSE#WTRPBF
Jun 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)
		PCN24_0003_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LT8331EMSE#WPBF
LT8331EMSE#WTRPBF
LT8331IMSE#PBF	PRODUCTION
LT8331IMSE#TRPBF	PRODUCTION
LT8331IMSE#WPBF
LT8331IMSE#WTRPBF
Oct 27, 2021 - 21_0154 Moisture Sensitivity Level Rating Change of LT8331, LTC3637, and LTC7000-1 with #W for MSOP Package
		PCN21_0154_Form Material_Report Delta Qualification Matrix
LT8331EMSE#WPBF
LT8331EMSE#WTRPBF
LT8331IMSE#WPBF
LT8331IMSE#WTRPBF
Jun 21, 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
LT8331IMSE#WPBF
LT8331IMSE#WTRPBF

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

Hardware Ecosystem

Parts	Product Life Cycle	Description
LT8330	RECOMMENDED FOR NEW DESIGNS	Low I_Q Boost/SEPIC/Inverting Converter with 1A, 60V Switch
LT8335	PRODUCTION	Low I_QBoost/SEPIC/ Inverting Converter with 2A, 28V Switch

Tools & Simulations

LTspice 3

Models for the following parts are available in LTspice:

LT8331

LTpowerCAD 1

LT8331 Project - DC2275A 10-48Vin to 120V @ 70mA, 200kHz

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

LT8331 Demo Board | Boost, 10V ≤ VIN ≤ 48V, 120VOUT @ up to 80mA

Buy Now View Details

Product Details

Demonstration circuit DC2275A features the LT8331 in a boost configuration. The demo circuit demonstrates small size and low component count. The boost is designed to convert a 10V to 48V source to 120V at 25mA to 80mA.

Resources

DC2275A - Demo Manual
259.00K

DC2275A - Schematic
71.00K

DC2275A - Design Files
1.00M

Latest Discussions

3 Years Ago

LT8331

Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 2

Video 1

Analog Dialogue 1

Webcast 1