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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) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709680 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 68 | 3.6 | 4.4 | 3.2 | 3.9 | 89 | 5.5 | 1210 | Standard |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709680 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | ISAT,10% (A) | ISAT,30% (A) | IR,40K (A) | IRP,40K (A) | RDC max. (mΩ) | fres (MHz) | Size | Version | Samples |
|---|