High Efficiency, Wide Voltage Range 30-LED RGB Driver
- Wide input range: 2.7V~22V
- Drive up to 30 LEDs
- High efficiency LED driver
- High frequency step-up converter (800kHz)
- Highly integrated solution
- Integrated 40V Power MOSFET
- Internal compensation and soft start
- 3 Independent integrated current sinks
- High accuracy regulation up to 20mA
- 1.5% Typ. current matching
- 3 independent PWM control inputs
- PWM dimming with <1µs rise/fall time
- Low operating quiescent current (500µA)
- LED open/short protection
- Both internal fixed and external adjustable Over-voltage protection
- Cycle-by-cycle inductor current limit (2.5A)
- 0.1 µA shutdown current
- Pb-free Package: TQFN33-16
- -40 to +85˚C Temperature Range
Applications
- Smartphone
- PDA
- GPS
- Portable media players
- Other 1-cell Li Ion LED applications
Key Electrical Specifications
Vin(Min) |
Vin(Max) |
Max. Current per Channel |
Channels |
Control Type |
Package |
2.7V |
5.5V |
20mA |
3 |
PWM |
TQFN33-16 |
Typical Application Diagram