
Maxim Integrated
General Description
The MAX16818 pulse-width modulation (PWM) LED driver controller provides high-output-current capability in a compact package with a minimum number of external components. The MAX16818 is suitable for use in synchronous and nonsynchronous step-down (buck) topologies, as well as in boost, buck-boost, SEPIC, and Cuk LED drivers. The MAX16818 is the first LED driver controller that enables Maxim’s patent-pending technology for fast LED current transients of up to 20A/µs and 30kHz dimming frequency.
FEATUREs
♦ High-Current LED Driver Controller IC, Up to 30A Output Current
♦ Average-Current-Mode Control
♦ True-Differential Remote-Sense Input
♦ 4.75V to 5.5V or 7V to 28V Input Voltage Range
♦ Programmable Switching Frequency or External Synchronization from 125kHz to 1.5MHz
♦ Clock Output for 180° Out-of-Phase Operation
♦ Integrated 4A Gate Drivers
♦ Output Overvoltage and Hiccup Mode Overcurrent Protection
♦ Thermal Shutdown
♦ Thermally Enhanced 28-Pin Thin QFN Package
♦ -40°C to +125°C Operating Temperature Range
APPLICATIONs
Front Projectors/Rear Projection TVs
Portable and Pocket Projectors
Automotive, Bus/Truck Exterior Lighting
LCD TVs and Display Backlight
Automotive Emergency Lighting and Signage