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Diodes Incorporated ZXLD1362 | Demoboard AN57
Automotive EMC considerations LED lighting applications using ZXLD1362for switching regulator
Overview
| Topology | Buck Converter |
| Input voltage | 7-60 V |
| Switching frequency | 1000 kHz |
| Output 1 | 1 A |
| IC revision | Issue 1 |
Description
This application note describes a driver solution developed using the Zetex ZXLD1362 LED driver IC for an automotive EMC compliant solution. ZXLD1362 switching regulator allows to maximize the efficiency gains offered by LED lighting solutions in automotive applications, while reducingthe component count and the complexity of the circuit.
Features
- Wide input voltage range
- 7V to 60V; internal 60V NDMOS switch
- Up to 1A output current
- Capable of driving up to 16 series connected 3 Watt LEDs
- High efficiency (see datasheet - but >90% with 15 LEDs)
- Low quiescent current: (100uA typical)
- Brightness control using DC voltage or PWM (low or highfrequency)
- Optional soft-start; up to 1MHz switching frequency
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 68 µH, 0.64 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance68 µH | Rated Current0.64 A | Saturation Current0.5 A | Self Resonant Frequency14 MHz | MountSMT | ||||
 | WE-TPC SMT Tiny Power Inductor, 100 µH, 0.45 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance100 µH | Rated Current0.45 A | Saturation Current0.45 A | Self Resonant Frequency10 MHz | MountSMT |