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Overview
| Topology | Boost Converter |
| Input voltage | 7-25 V |
| Switching frequency | 300-4000 kHz |
| Output 1 | 33 V / 0.15 A |
| Output 2 | 33 V / 0.15 A |
| Output 3 | 33 V / 0.15 A |
| Output 4 | 33 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