APW7001 Description
The APW7001 is a high efficiency charge pump white LED driver; the device drives up to four white LEDs in the main display and up to two white LEDs in the sub-display with regulated constant current for uniform intensity. The supply voltage ranges from 2.7V to 5.5V and it is optimized for a Li-ion battery application.
APW7001 Key Features
- ±1.5% LED Current Matching
- Powers Main and Sub-Display LEDs
- High Efficiency Up to 90% Over Li-ion Battery
- Output Current Up to 30mA per LED
- 2.7V to 5.5V Operating Voltage
- 1x/1.5x/2x Charge Pump Modes
- Low Shutdown Current: 2µA Maximum
- Low Input Ripple and EMI
- Internal Soft-Start Limits Inrush Current
- Short Circuit Current Limit