IC manufacturers Analog Devices

IC manufacturers (97)

Analog Devices LT3966

I2C Programmable Quad Monolithic Boost LED Driver

Overview

TopologyBoost Converter
Input voltage7-25 V
Switching frequency300-4000 kHz
Output 133 V / 0.15 A
Output 233 V / 0.15 A
Output 333 V / 0.15 A
Output 433 V / 0.15 A

Description

The LT®3966 is an I2C programmable monolithic boost LED driver with four independent channels. Each channelprovides a 60V current mode boost converter with an internal 1.6A DMOS power switch, as well as internal and external analog and PWM dimming features. I2C programmable features include a 13-bit (8192:1) digital PWM generator, 8-bit analog dimming DAC, and flexible fault reporting and handling.

Features

  • Four Independent DC/DC Channels
  • I2C Programmable
  • 8192:1 True Color PWM™ Dimming
  • 8-Bit Analog Dimming Pin Scaled by DAC
  • 11-Channel, 8-Bit ADC with 2 External Inputs
  • 1.6A, 60V Internal DMOS Switches
  • Input Voltage: 3V to 60V
  • Output Voltage and Current Monitoring to 60V
  • High Side PMOS Disconnect and PWM Switch Driver
  • Adjustable Frequency: 300kHz to 4MHz with Optional Frequency Synchronization
  • Thermally Enhanced 6mm × 6mm 40-Lead QFN Package
  • AEC-Q100 Qualification in Progress

Typical applications

  • Backlighting
  • Heads Up Displays

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersion Samples
7447785006SPEC
8 files WE-PD SMT Power Inductor 6.8 2.3 2 100 45 6033 Robust
Order Code Data­sheet Simu­lation
7447785006SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersion Samples