LNK403-409EG设计的带TRIAC调光LED驱动技术

This document contains the LED driver specification, schematic, PCB diagram, bill ofmaterials, transformer documentation and typical performance characteristics.

图4。LED驱动器参考设计外形图

LED驱动器参考设计主要特性：

Low profile design, <10 mm component height

Allows driver board to sit behind LEDs giving uniform illumination in a T8 replac扁平型电感ement
tube application

Superior performance and end user experience

Clean monotonic start-up – no output blinking

Fast start-up (<200 ms) – no perceptible delay

Highly energy efficient

≥86% at 115 VAC and ≥87% at 230 VAC

Low cost, low component count and small printed circu绕行电感it board footprint solution

No current sensing required

Frequency jitter for smaller, lower cost EMI filter components

Integrated protection and reliability features

Output open circuit / output short-circuit protection with auto-recovery

Line input overvoltage shutdown extends voltage withstand during line faults

Auto-recovering thermal shutdown with large hysteresis protects both component铁氧体电感s
and printed circuit board

No damage during brown-out or brown-in conditions

Meets IEC 61000-3-2 Class C harmonics and EN55015 B conducted EMI

LED驱动器参考设计主要指标：



图5。15W LED驱动器参考设计电路图
LED驱动器参考设计材料清单（BOM）：



图6。LED驱动器参考设计塑封电感变压器电路图

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