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MAX16814 - High-Brightness LED Driver

General Description

The MAX16814 high-efficiency, high-brightness LED (HB LED) driver provides up to four integrated LED currentsink channels.

An integrated current-mode switching DC-DC controller drives a DC-DC converter that provides the necessary voltage to multiple strings of HB LEDs.

The MAX16814 accepts a wide 4.

Key Features

  • an adaptive output-voltage-control scheme that minimizes the power dissipation in the LED current-sink paths. The MAX16814 consists of four identical linear current source channels to drive four strings of HB LEDs. The channel current is adjustable from 20mA to 150mA with an accuracy of ±3% using an external resistor. The external resistor sets all 4-channel currents to the same value. The device allows connecting multiple channels in parallel to achieve higher current per LED string. The MAX168.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MAX16814 EVALUATION KIT AVAILABLE Integrated, 4-Channel, High-Brightness LED Driver with High-Voltage DC-DC Controller General Description The MAX16814 high-efficiency, high-brightness LED (HB LED) driver provides up to four integrated LED currentsink channels. An integrated current-mode switching DC-DC controller drives a DC-DC converter that provides the necessary voltage to multiple strings of HB LEDs. The MAX16814 accepts a wide 4.75V to 40V input voltage range and withstands direct automotive load-dump events. The wide input range allows powering HB LEDs for small to medium-sized LCD displays in automotive and general lighting applications.