| Part number | WS9420 |
|---|---|
| Download | WS9420 Datasheet (PDF) |
| File Size | 816.32 KB |
| Manufacturer | Winsemi |
| Description | Simplified system step-down LED driver |
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| Part Number | Description |
|---|---|
| WS9441 | Non-isolated Buck Offline LED Driver |
| WS9441P | Non-isolated Buck Offline LED Driver |
| WS9442 | Non-isolated Buck Offline LED Driver |
| WS9442P | Non-isolated Buck Offline LED Driver |
| WS9445 | Non-isolated Buck Offline LED Driver |
特点 No-CAPTM专利的控制拓扑 启动时间低至 0.1ms LED 电流精度保持在±5%以内 内部集成500V功率管 无需变压器辅助绕组检测和供电 无需 VCC 供电电容 内置智能温控功能 应用领域 G9/Gu10LED灯 MR16 LED灯 蜡烛灯 球泡灯 典型应用图 简化系统的降压型 LED 驱动 概述 WS9420是高精度LED驱动芯片，芯片采用专利的控制技 术，实现了一种简单的临界电流模式控制方法，无需环路补偿。 WS9420是单级降压型LED驱动芯片，芯片内部集成了.
