Rev 3/20/07

SP7686EB Evaluation Board Manual

Copyright 2007 Sipex Corporation

DESCRIPTION AND BOARD SCHEMATIC

The SP7686EB Evaluation Board is a compact circuit including the SP7686 in 3x2mm DFN and 3

small 0603 capacitors which can provide a stable drive current for a 1W LED such as the AOT White

LED, Lumi-LEDs Luxeon I or PWF1 type light sources. The evaluation board is a completely

assembled and tested surface mount board which provides easy probe access points to all SP7686

inputs and outputs so that the user can quickly connect and measure electrical characteristics and

waveforms.

SP7686EB Schematic

TO GET STARTED:

1. Connect VIN from VIN to GND (VIN range 2.7V to 4.2V).

2. Apply a combination of positive pulses on CTRL pin to enable the part.

SP7686EB

Evaluation Board Manual

2.7V to 5.5V Input Range

One line serial interface

Output Current up to 500mA

Small 2x3mm 8-Pin DFN Package

2.4MHz Switching Frequency

Integrated Design with Minimal Components.

3.5sec Time out function to protect the LED

Thermal shutdown protection

Built-in over-voltage & over-current protection

Use with 1 cell Lithium Ion Battery