LT3486

PRODUCTION

Dual 1.3A White LED Step-Up Converters with Wide Dimming

Data Sheet Product Selection Table

Part Models: 6
1ku List Price: Starting From $3.06

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Part Details

Wide (1000:1) PWM Dimming Range with No ColorShift
Independent Dimming and Shutdown Control of the LED Drivers
Drives Up to 16 White LEDs at 25mA (8 per Driver) from a Single Li-Ion Cell
Drives Up to 16 White LEDs at 100mA (8 per Driver) from 12V Supply
±3% LED Current Programming Accuracy
Open LED Protection: 36V Clamp Voltage
Fixed Frequency Operation: Up to 2.5MHz
Wide Input Voltage Range: 2.5V to 24V
Low Shutdown Current: ICC < 1μA
Overtemperature Protection
Available in (5mm × 3mm × 0.75mm) 16-Pin DFN and 16-Pin Thermally Enhanced TSSOP Packages

Part Models: 6
1ku List Price: Starting From $3.06

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
LT3486EDHC#PBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3486EDHC#TRPBF	16-Lead DFN (5mm x 3mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3486EFE#PBF	16-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3486EFE#TRPBF	16-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3486IFE#PBF	16-Lead TSSOP w/ EP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LT3486IFE#TRPBF	16-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
LT3486EFE#PBF	PRODUCTION
LT3486EFE#TRPBF	PRODUCTION
LT3486IFE#PBF	PRODUCTION
LT3486IFE#TRPBF	PRODUCTION

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

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Multichannel Voltage Output D/A Converters 1
LTC2635	PRODUCTION	Quad 12-/10-/8-Bit I²C V_OUT DACs with 10ppm/°C Reference
Power Monitors 1
LT2940	PRODUCTION	Power and Current Monitor
TimerBlox 1
LTC6992		TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)

Tools & Simulations

LTspice 1

LT3486 Demo Circuit - Dual 1.3A White LED Step-Up Converter (5V to 6x 2.4V LEDs @ 100mA)

Models for the following parts are available in LTspice:

LT3486

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

LT3486EFE Demo Board | Dual Boost LED Driver, 3V ≤ VIN ≤ 25V, VLED up to 36V @ 100mA (×2)

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Product Details

Demonstration circuit 876 is a dual step-up white LED driver with wide dimming range featuring the LT3486. The board is optimized to drive a string of six, eight, or ten white LEDs at 100mA from each of its two outputs with a PVIN input voltage range of 3V to 25V. The maximum LED output voltage must be less than 36V as the overvoltage protection at the output will limit the maximum output voltage to 36V in the case of an open circuit load.

The high input voltage range, high-efficiency low-side internal 1.3A NPN power switches, ground-referenced low-voltage current sense resistors, PWM pins for 1000:1 dimming ratio, control pins for brightness adjust, overvoltage protection, shutdown control pin, externally programmable switching frequency, low shutdown current and internal soft-start capacitor make the LT3486 an extremely powerful and versatile LED driving IC for portable applications and displays.

Resources

DC876A - Schematic
9/24/2009

DC876A - Demo Manual
9/24/2009

DC876A - Design File
9/24/2009

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