| Part number | JW1780 |
|---|---|
| Datasheet | JW1780-JoulWatt.pdf |
| File Size | 601.79 KB |
| Manufacturer | JoulWatt |
| Description | Integrated 500V MOS Non-Isolated Buck LED drive controller |
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Parameters Subject to Change Without Notice 特点 集成 500V，低 RdsonMOSFET JW1780: 30Ω, 100mA 优秀的线性调整率和负载调整率 临界导通模式 全工作范围内高效率 逐周期限流 LED 开路/短路保护 VDD UVLO（欠压保护） 片内及片外智能热保护功能 Brown Out Protection TO-92 封装 应用 LED 照明 JW1780 集成 500V MOS 非隔离降压 LED 驱动控制器 描述 JW1780 是一款集成 500V 高压 MOS，高恒流精度、 低成本的非隔离型降压 LED 驱动。芯片通过直接 采样输出电流来实现高精度的恒流控制。电感电流 工作在临界连续模式，减小了功率器件的开关损耗， 避免续流二极管反向恢复，确保系统具有高效率。 JW1780 直接由输入电压供电，无需辅助绕组，简 化了外围元器件。...
| Part Number | Description |
|---|---|
| JW1782B | Buck LED Driver |
| JW1757A | Offline Step-down LED Driver |
| JW1757B | Offline Step-down LED Driver |
| JW1757C | Offline Step-down LED Driver |
| JW1758A | Offline Step-down LED Driver |
| JW1758B | Offline Step-down LED Driver |
| JW1758C | Offline Step-down LED Driver |
| JW1758D | Offline Step-down LED Driver |
| JW1765 | Offline Step-down LED Controller |
| JW1769A | Offline Step-down LED Regulator |
