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Overview
| Topology | Boost Converter |
| Input voltage | 7-42 V |
| Switching frequency | 2000-3000 kHz |
| Output 1 | 50 V / 0.33 A |
| IC revision | A |
Description
The LT®3952A is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952A is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage source.
Features
- 4000:1 True Color PWM™ Dimming
- 4A, 60V Internal DMOS Switch
- Wide Input Voltage Range: 3V to 42V
- 0V to 60V Output Current Regulation with Monitor
- PMOS Switch Driver for PWM and Output Disconnect
- LED Short-Circuit Protection and SHORTLED Flag
- Internal Spread Spectrum Frequency Modulation
Typical applications
- Display Backlighting, Automotive and Avionic Lighting
- Accurate Current-Limited Voltage Regulators
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 | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74437349100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 10 | 4.05 | 5.6 | 10.5 | 69 | 12 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74437349100 | SPEC |
| Samples |
|---|
| 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 | Samples |
|---|