概要
説明
The iW337 is a secondary-side PWM signal generator that works with three types of dimming inputs: PWM dimming, 0V to 10V linear dimming, or simple dimming using a single resistor to ground from the DIM pin. The iW337 converts any of these three signals into a 1% to 100% PWM duty cycle that provides a dimming signal to a primary-side LED driver such as the iW3631, eliminating the need for transformers or other driver circuitry.
特長
- Operating range:15V to 60V
- 3-in-1 dimmer interface
- 0V to 10V analog
- PWM (10V)
- Resistor
- Highly integrated for low BOM cost
- Integrated current source for driving 0V to 10V dimmers
- Integrated optocoupler driver for isolated applications
- 1% to 100% PWM output
- 1% PWM duty cycle tolerance
- Selectable frequency range via external capacitor
- Shutdown pin to minimize standby power
製品比較
アプリケーション
- 0V to 10V analog or PWM LED dimming
- Resistor LED dimming
ドキュメント
ピックアップ
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| 分類 | タイトル | 日時 |
| データシート | PDF 648 KB | |
| 製品概要 | PDF 427 KB | |
| アプリケーションノート | PDF 590 KB | |
| その他資料 | ZIP 4.11 MB | |
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設計・開発
モデル
ECADモデル
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