MP3389EF Overview
The MP3389 is a step-up controller with 12channel current sources designed for driving the WLED arrays for large size LCD panel backlighting applications. The MP3389 uses current mode, fixed frequency architecture. The switching frequency is programmable by an external frequency setting resistor.
MP3389EF Key Features
- High Efficiency and Small Size
- 5V to 28V Input Voltage Range
- Balanced Driver for 12 Strings of WLEDs
- Maximum 60mA for Each String
- 2.5% Current Matching Accuracy Between
- Programmable Switching Frequency
- PWM or DC Input Burst PWM Dimming
- Open and Short LED protection
- Programmable Over-voltage Protection
- Under Voltage Lockout