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The MAX16820ATT+T is a high-brightness LED (HB LED) driver from MAXIM Integrated. Below are the factual details from the Manufactor Datasheet:

Manufacturer:

MAXIM (now part of Analog Devices)

Pb-Free Specifications:

• The "T" in the part number indicates a Pb-free (lead-free) package.
• Compliant with RoHS (Restriction of Hazardous Substances) standards.

Description:

The MAX16820ATT+T is a high-efficiency, step-up (boost) LED driver designed for driving high-brightness LEDs in automotive, industrial, and general lighting applications. It operates over a wide input voltage range and provides constant-current output for LED strings.

Key Features:

• Input Voltage Range: 4.5V to 40V (supports automotive load-dump conditions).
• Output Current: Adjustable up to 1.5A (supports multiple LED configurations).
• PWM Dimming Control: Supports high-frequency PWM dimming for brightness adjustment.
• High Efficiency: Up to 95% (depending on configuration).
• Switching Frequency: Adjustable (100kHz to 1MHz).
• Thermal Protection: Includes overtemperature shutdown.
• Package: TDFN-EP (6x6mm, 16-pin) with exposed pad for thermal dissipation.
• Automotive-Grade: AEC-Q100 qualified for automotive applications.

This information is strictly based on the manufacturer's datasheet and specifications. No additional guidance or suggestions are included.