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High Efficiency > 90%
Support up to 4 white LEDs
Soft Start Function
Short Circuit Protection
Three Charge Pump Modes: X1, X1.5, X2
1MHz Fixed Frequency Oscillator
DESCRIPTION AND BOARD SCHEMATIC
The
SP6687 Evaluation Board
is designed to help the user evaluate the performance of the SP6687 for
use as a 4 LED Driver with matched currents. The evaluation board is a completely assembled and
tested surface mount board which provides easy probe access points to all SP6687 inputs and outputs
so that the user can quickly connect and measure electrical characteristics and waveforms. The
Evaluation Board schematic diagram is shown at Figure 1.
Figure 1. SP6687 Evaluation board Schematic Diagram
Dec18,2006 RevB
SP6687 Evaluation Board Manual
Page 1 of 4
漏 2006 Sipex Corporation