EV3309A-Q-00A 2.7-5.5V White LED Driver Evaluation Board QFN10

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EV3309A-Q-00A 2.7-5.5V White LED Driver Evaluation Board QFN10

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MPS QFN10 LED Power Management Evaluation Boards

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EV3309A-Q-00A 2.7-5.5V White LED Driver Evaluation Board QFN10

The MPS EV3309A-Q-00A is an evaluation board built around the MP3309A for bench characterisation of the device in its intended topology. It operates from a 2.7 V to 5.5 V input. The board carries the device in its QFN10 package.

The MP3309A is a WLED step-up converter for 2.7V-to-5.5V input that uses peak-current mode to regulate the LED current sensed through an external low-side resistor.

Key Specifications

Part Number	EV3309A-Q-00A
Board For	MP3309A
Board Type	Evaluation / demonstration board
Function	White LED Driver
Input Voltage	2.7 V to 5.5 V
Interface	I²C
Package	QFN10
Ordering Codes	EV3309A-Q-00A

Features

2.7V-to-5.5V Input Voltage
Low 200mV Feedback Voltage with ±1% Accuracy
Selectable Synchronous or Non- synchronous Mode Thru I2C
400kHz I2C-Compatible Interface
Analog and PWM Dimming
Programmable Switching Frequency
Programmable Over Voltage Protection Point
Software- or Hardware-Enable Function
UVLO, Thermal Shutdown
Available in 3×3mm QFN 10 package

Evaluation Board

Design Notes

The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.