Datasheet Details
| Part number | AT9933 |
|---|---|
| Manufacturer | Supertex |
| File Size | 537.49 KB |
| Description | Hysteretic Boost-Buck (cuk) LED Driver |
| Datasheet |
 AT9933 Datasheet
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General Description
The AT9933 is a variable frequency PWM controller IC, designed to control an LED lamp driver using a low-noise boost-buck (Ćuk) topology.
The AT9933 uses patent-pending hysteretic current-mode control to regulate both the input and the output currents.
Key Features
- Constant current LED Driver Steps input voltage Up or Down Low EMI Variable frequency operation Internal 8 to 100V linear regulator Input and output current sensing Input current limit Enable & PWM dimming Ambient temperature rating up to 125°C Meets AEC-Q100 requirements General.
