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Solved by

SP7680

TM

Evaluation Board Manual

Complete Backlight Solution

Separate control for 4 main, 2 sub, and

keypad LEDs

Built-in 6-bit DAC for precise current setting

I

2

C serial interface

Data is stored in shutdown

1x and 1.5x mode operation with automatic

switchover

Very low dropout current sources: 200mV typ

2MHz switching frequency reduces external

components

Small 16-pin 3x3 QFN

___________________________________________________________________ DESCRIPTION

The

SP7680EB Evaluation Board

is a compact circuit including the SP7680 in 3x3mm QFN and 4

small 0402 or 0603 capacitors. This circuit can provide a stable drive current for backlight white

LEDs and with I

2

C serial interface independently control LEDs for main and auxiliary displays as well

as the keypad. The evaluation board is a completely assembled and tested surface mount board

which provides easy probe access points to all SP7680 inputs and outputs so that the user can

quickly connect LEDs and measure electrical characteristics and waveforms.

_____________________________________________________________ BOARD SCHEMATIC

Jun20-07

SP7680 Evaluation Board Manual

Page 1 of 6

漏 2007 Sipex Corporation

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SP7680_07相關(guān)型號PDF文件下載

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• SP7614
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  Constant Current LED Driver
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• SP7648
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  Low Reference High Efficiency Boost Regulator
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• SP7648
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  Low Reference High Efficiency Boost Regulator
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• SP7650
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  Wide Input Voltage Range 3A, 300kHz, Buck Regulator
  SIPEX
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• SP7650
  英文版
  Wide Input Voltage Range 3A, 300kHz, Buck Regulator
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• SP7651
  英文版
  Wide Input Voltage Range 3A, 900kHz, Buck Regulator
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• SP7651
  英文版
  Wide Input Voltage Range 3A, 900kHz, Buck Regulator
  SIPEX [Sip...
  SP7651
• SP7652
  英文版
  Wide Input Voltage Range 6A, 600kHz, Buck Regulator
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  SP7652
• SP7652
  英文版
  Wide Input Voltage Range 6A, 600kHz, Buck Regulator
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• SP7653
  英文版
  Wide Input Voltage Range, 1.3MHz,Buck Regulator
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