Datasheet Details
| Part number | QH7938 |
|---|---|
| Manufacturer | Unknown Manufacturer |
| File Size | 452.64 KB |
| Description | Primary side feedback dimmable single-stage active PFC LED constant current control chip |
| Download | QH7938 Download (PDF) |
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Overview: QH7938 可调光原边反馈单级有源 PFC LED 恒流控制芯片 概述 带有源功率因数校正的高精度 QH7938是一款单级、 原边反馈 LED 恒流控制芯片，带调光控制功能，适 用于 85Vac-265Vac 全范围输入电压的反激式隔离 QH7938集成有源 或升降压型非隔离 LED 恒流电源。 功率因数校正电路，可以实现很高的功率因数和很 低的总谐波失真。由于工作在电感电流临界连续模.
| Part number | QH7938 |
|---|---|
| Manufacturer | Unknown Manufacturer |
| File Size | 452.64 KB |
| Description | Primary side feedback dimmable single-stage active PFC LED constant current control chip |
| Download | QH7938 Download (PDF) |
|
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| Part Number | Description |
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