LT3952A

RECOMMENDED FOR NEW DESIGNS

60V LED Driver with 4A Switch Current

Data Sheet (Rev. B) Product Selection Table

Part Models: 12
1ku List Price: Starting From $3.48

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Part Details

4000:1 True Color PWM^™ Dimming
4A, 60V Internal DMOS Switch
Wide Input Voltage Range: 3V to 42V
0V to 60V Output Current Regulation with Monitor
PMOS Switch Driver for PWM and Output Disconnect
LED Short-Circuit Protection and SHORTLED Flag
Internal Spread Spectrum Frequency Modulation
Constant-Current and Constant-Voltage Regulation

Input Current Limit and Monitor
Adjustable Frequency: 200kHz to 3MHz, Synchronizable to an External Clock
10:1 Analog Dimming
Programmable Open-LED Protection with OPENLED Flag
Programmable V_IN Undervoltage and Overvoltage Lockout
Available in a 28-Lead TSSOP Package
AEC-Q100 Qualified for Automotive Applications

Part Models: 12
1ku List Price: Starting From $3.48

Documentation

Data Sheet 1

LT3952A: 60V LED Driver with 4A Switch Current Data Sheet (Rev.B) 06/17/2019

Reliability Data 1

R580 Reliability Data 04/17/2019

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
LT3952AEFE#PBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AEFE#TRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AEFE#WPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AEFE#WTRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AHFE#PBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AHFE#TRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AHFE#WPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AHFE#WTRPBF	TSSOP W/ THERMAL PAD	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AIFE#PBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AIFE#TRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AIFE#WPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3952AIFE#WTRPBF	28-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL
		PCN22_0068_Form Material_Report Delta Qualification Matrix
LT3952AEFE#PBF	PRODUCTION
LT3952AEFE#TRPBF	PRODUCTION
LT3952AEFE#WPBF
LT3952AEFE#WTRPBF
LT3952AHFE#PBF	PRODUCTION
LT3952AHFE#TRPBF	PRODUCTION
LT3952AHFE#WPBF
LT3952AHFE#WTRPBF	PRODUCTION
LT3952AIFE#PBF	PRODUCTION
LT3952AIFE#TRPBF	PRODUCTION
LT3952AIFE#WPBF
LT3952AIFE#WTRPBF

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

Tools & Simulations

LTspice 1

LT3952A - LED Driver IC

Models for the following parts are available in LTspice:

LT3952
LT3952A

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

LT3952AEFE Demo Board | 2MHz LED Driver, 8V ≤ VIN ≤ 28V, IOUT = 330mA at 40V

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Product Details

Demonstration circuit DC2361A is a 2MHz 60V LED driver with internal 4A switch featuring the LT3952A monolithic LED driver. It accepts an input voltage from 8V to 28V (with transient to 36V) and boosts to a single string of LEDs up to 40V at 330mA. DC2361A features an integrated 4A switch, constant current and constant voltage output control as well as input current limit and monitoring.

Resources

DC2361A - Design Files
987.00K

DC2361A - Schematic
31.56 K

DC2361A - Demo Manual (Rev.A)
325.00K

LT3952AEFE Demo Board | CC/CV Boost LED Driver, 5V ≤ VIN ≤ 36V, VLED = VIN up to 50@ 330mA

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Product Details

Demonstration Circuit DC2013A is a 60V LED driver with internal 4A switch featuring the LT3952A monolithic LED driver. It accepts an input voltage from 5V to 36V (with transient to 42V) and boosts to a single string of LEDs up to 50V LEDs at 330mA. DC2013A features an integrated 4A switch, constant-current and constant-voltage output control as well as input current limit and monitoring.