MP3398E Overview
The MP3398E is a step-up controller with four current channels designed to drive WLED arrays for large LCD panel backlighting applications. The MP3398E is able to expand the number of LED channels with two or more ICs in parallel sharing a single power source. The MP3398E employs peak-current mode with a fixed switching frequency.
MP3398E Key Features
- 4-String, Max 400mA/String WLED Driver
- 4.5V to 33V Input Voltage Range
- 80V ABS Rating for Each String
- 2.3% Current Matching Accuracy between
- Direct PWM Dimming Mode
- Analog Dimming Mode with PWM Input
- Cascading Capability with a Single Power
- LED Open and Short Protection
- Programmable Recoverable Over-Voltage
- 202mV Latch-Off Cycle-by-Cycle Current