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Description

FULL DATA SHEET (PDF, 176kB) Download   E-Mail The MAX8790A evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB that evaluates the high-efficiency MAX8790A white LED (WLED) driver. The MAX8790A EV kit utilizes a step-up DC-DC converter to generate the voltage required to drive up to six strings of eight surface-mount WLEDs. The EV kit is powered by a 7V to 21V input power supply (single-supply mode) and can be configured to provide a fixed 20mA or adjustable 15mA to 25mA full-scale LED current. In addition, the MAX8790A provides LED current control through either analog or digitally adjusted pulse-width modulation (DPWM) dimming modes. As shipped, the MAX8790A EV kit is configured for evaluation with two strings of eight WLEDs.

Key Features		Applications/Uses
7V to 21V Input Range 86% Efficiency (VIN = 12V, Load = Two WLED Strings) WLED Drives Up to 25mA/String Drives Two Strings of Eight WLEDs (Capable of Driving Up to Six Strings) Analog or Direct DPWM Dimming Control 100:1 Dimming Range 750kHz PWM Switching Frequency (Selectable: 1MHz or 500kHz, Component Change Required) Fully Assembled and Tested		Automotive Systems Handy Terminals

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