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Overview
| Topology | Buck Converter |
| Input voltage | 44-52 V |
| Switching frequency | 300-4000 kHz |
| Output 1 | 34 V / 0.75 A |
| Output 2 | 34 V / 0.75 A |
| Output 3 | 34 V / 0.75 A |
| Output 4 | 34 V / 0.75 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
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Mount | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-LHMI SMT Power Inductor, 68 µH, 1.65 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance68 µH | Performance Rated Current1.65 A | Saturation Current @ 10%1.45 A | Saturation Current @ 30%3.8 A | DC Resistance445 mΩ | Self Resonant Frequency3.5 MHz | MountSMT | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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