Description
Features
- High efficiency synchronous boost converter with 2MHz/4MHz switching frequency option
- I2C interface programming and hardware STROBE/TORCH control
- Two-channel independent current sources
- LED1/LED2: Up to 1.5A
- Flash/Torch/IR modes
- Independent LED on/off and current settings
- Programmable ramp shape and time control
- Three input low voltage protection modes
- Torch currents up to 187.5mA (KTD2688) or 375mA (KTD2688A)
- Flash time-out protection up to 1.60s(KTD2688A)
- LED cathode ground connection for improved thermal dissipation
- LED open/short protection
- I2C fault read back
- 12-ball 1.30mm x 1.57mm WLCSP package with 0.4mm pitch.
Applications
- Smartphones and Tablets Camera Flash
- Digital Cameras
Key Electrical Specifications
| Vin(Min) | Vin(Max) | Max. Current per Channel | Channels | Control Type | Package |
| 2.7V | 5.5V | 1500mA | 2 | I2C | WLCSP-12 |
Typical Application Diagram
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