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Overview
| Topology | Buck Converter |
| Input voltage | 31-36 V |
| Switching frequency | 186-2140 kHz |
| Output 1 | 36 V |
| Output 2 | 36 V |
Description
The LT®3964 is a dual synchronous step-down DC/DCconverter with I2C interface designed to operate as aconstant-current and constant-voltage source and is idealfor driving LEDs. The fixed frequency and peak currentmode topology result in stable operation over a wide rangeof supply and output voltages.
Features
Wide Input Voltage Range: 4V to 36Vn Two Independent 1.6A/40V Synchronous Bucksn I2C Interface for Internal True Color PWM™ Dimming(8192:1), Analog Dimming and Fault Reportingn 1000:1 External True Color PWM Dimming and10:1 External Analog Dimmingn PMOS Switch Driver for PWM and Output Disconnect
Typical applications
- Industrial
- Medical
- Automotive Lighting
- Constant-Current, Constant-Voltage Source
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-PD SMT Power Inductor, 68 µH, 3.9 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance68 µH | Performance Rated Current3.9 A | DC Resistance89 mΩ | Self Resonant Frequency5.5 MHz | Size1210 | VersionStandard | –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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