KTD267 2MHz, 1.5A Flash LED Driver
2MHz, 1.5A Flash LED Driver
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Features
- Input voltage range: 2.7V to 5.5V
- Dual Flash LED outputs
- Drive up to total 1.5A or 0.75A per channel
- High efficiency converter (up to 95%)
- 2MHz step-up converter
- Very small inductor: 1.0µH
- Very small load capacitor: 4.7µF to 10µF
- 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
- 0.1µA 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 |
750mA |
PWM |
TDFN23-14 |
Typical Application Diagram
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