CAT3644HV3
IC LED DRVR RGLTR SGL WR 16TQFNManufacturer: onsemi
Categories: LED Drivers
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The onsemi CAT3644HV3 is a highly efficient LED driver IC featuring a 4-output DC-DC switched capacitor (charge pump) regulator. This device is designed for single-wire dimming control, offering precise regulation of LED current up to 25mA per channel. With an operating frequency range of 800kHz to 1.6MHz, it provides a compact solution for backlight and camera flash applications. The CAT3644HV3 is supplied in a 16-TQFN (3x3) package, suitable for surface mounting. It operates from a supply voltage of 2.5V to 5.5V and can deliver an output voltage of up to 7V. This component is engineered for demanding applications where space and power efficiency are critical.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 16-WFQFN Exposed Pad |
| Voltage - Output | 7V |
| Mounting Type | Surface Mount |
| Number of Outputs | 4 |
| Frequency | 800kHz ~ 1.6MHz |
| Type | DC DC Regulator |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Applications | Backlight, Camera Flash |
| Current - Output / Channel | 25mA |
| Internal Switch(s) | No |
| Topology | Switched Capacitor (Charge Pump) |
| Supplier Device Package | 16-TQFN (3x3) |
| Dimming | Single-Wire |
| Voltage - Supply (Min) | 2.5V |
| Voltage - Supply (Max) | 5.5V |
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