Description
Features
- Input voltage range: 2.7V~5.5V
- Dual Flash LED outputs
- Drive up to total 1A or 0.5A per channel
- High efficiency LED driver (up to 89%)
- 2MHz step-up converter
- Very small inductor: 1.0 µH
- Independent flash-mode enable and movie/torch-mode enable pins
- Movie/torch-mode dimming via PWM control
- One resistor sets flash-mode LED current
- One resistor sets movie/torch-mode LED current
- Integrated thermal regulation control
- LED open/short protection
- Over-voltage protection
- Cycle-by-cycle inductor current limit
- 0.1 µA shutdown current
- Pb-free Package: TDFN2x3-14
- -40°C to +85°C Temperature Range
Applications
- Mobile Phones
- Smart Phones and PDAs
- Digital Still Cameras
Key Electrical Specifications
| Vin(Min) | Vin(Max) | Channels | Output Current Per Channel (Max) | Control | Package |
| 2.7V | 5.5V | 2 | 500mA | PWM | TDFN23-14 |
Typical Application Diagram
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