Step-Up LED Driver with ExpressWire or PWM Control
Features
- Wide output range: up to 10 series LEDs
- Wide output range: Integrated 40V high current switch (1.2A limit)
- VIN: 2.7V~5.5V
- High efficiency PWM converter (up to 88%)
- Low 200mV feedback voltage
- Single-wire interface dual method dimming
- ExpressWire Digital Control
- PWM dimming
- High accuracy across full load range
- LED open-circuit (OVP) protection: 38V
- LED High switching frequency: 1.2MHz
- Simple, small solution size
- Simple, small solution size
- Integrated Softstart
- <1µA shutdown current
- Small TDFN22-6 Package
- “RoHS” and Green compliant
- -40˚C to +85˚C Temperature Range
Applications
- LED backlighting
- Mobile Phones
- Handheld Devices
- Digital Photo Frames
- Automotive Navigation
Key Electrical Specifications
Vin(Min) |
Vin(Max) |
Maximum # of LED Channel |
Channels |
Control Type |
Package |
2.7V |
5.5V |
10 |
1 |
PWM |
TDFN22-6 |
Typical Application Diagram