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Microchip HV9860 | Demoboard HV9860DB1
Non-Isolated, Flyback, LED Driver Demoboard with a High Step-Up Ratio
Overview
| Topology | Flyback Converter |
| Input voltage | 22-26 V |
| Output 1 | 360 V / 0.12 A |
| IC revision | 22.6.2013 |
Description
The HV9860DB1 is a non-isolated, flyback, LED driver,which drives a 360V LED string at 120mA from a 24V input.The demoboard uses Supertex’s HV9860 LED driver IC.The board is designed to be restricted to a maximumthickness of 15mm, which demonstrates the usage of theHV9860 as a low profile LCD backlight driver.The HV9860DB1 includes hiccup mode protection for bothshort circuit and open circuit conditions to ensure that itrecovers from a momentary fault condition. In particular, itfeatures a safe latch-off mode protection for short cathodedetect. In this way, it enables the board to survive prolongedfault conditions without any damage to both the driver aswell as the LEDs.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 100 µH, 1.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance100 µH | Performance Rated Current1.3 A | DC Resistance380 mΩ | Self Resonant Frequency7.5 MHz | Size7345 | VersionRobust |