SP7686EB
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SP7686EB - SP7686EB
SP7686EB Evaluation Board Manual
2.7V 5.5V Input Range
line serial interface
Output Current 500mA High Efficiency mode, high VOUT mode Small 2x3mm 8-Pin Package 2.4MHz Switching Frequency Integrated Design with Minimal Components.
3.5sec Time function protect Thermal shutdown protection Built-in over-voltage over-current protection
with cell Lithium Battery
DESCRIPTION BOARD SCHEMATIC SP7686EB Evaluation Board compact circuit including SP7686 3x2mm small 0603 capacitors which provide stable drive current such White LED, Lumi-LEDs Luxeon PWF1 type light sources. evaluation board completely assembled tested surface mount board which provides easy probe access points SP7686 inputs outputs that user quickly connect measure electrical characteristics waveforms. SP7686EB Schematic
STARTED: Connect from (VIN range 2.7V 4.2V). Apply combination positive pulses CTRL enable part.
3/20/07
SP7686EB Evaluation Board Manual
Copyright 2007 Sipex Corporation
POWER SUPPLY DATA
Iout
Flash 440mA Torch 160mA Torch 88mA
Efficiency
Iout (mA)
Efficiency
Flash 440mA Torch 160mA Torch 88mA
Figure Output Current with PWF1
Figure Output Efficiency with PWF1
CTRL Vout
CTRL Vout
Iin: 0.5A/div
Iin: 0.5A/div
Figure Start Iout 80mA, Vin=4.2V
Figure Start Iout 450mA, Vin=4.2V
CTRL
Vout
CTRL
Vout
Iin: 0.2A/div
Iin: 1A/div
Figure Shorted, Vin=4.2V
Figure Open, Vin=4.2V
EVALUATION BOARD LAYOUT
USED
FIGURE SP7686EB COMPONENT PLACEMENT
USED
FIGURE SP7686EB LAYOUT SIDE
USED
FIGURE SP7686EB LAYOUT BOTTOM SIDE Note: "Not Used" section board optional CTRL PULSE digital circuit consult factory Applications details.
TABLE1: SP7686EB LIST MATERIALS
Part Reference COUT
TP(VIN,GND,VOUT,CTRL&VFB)
Part Number SP7686ER GRM188R60J106M GRM188R61A225K GRM155R60J224K CRCW0603R680F 61303611121 60900213421 0300-11501-4727100
Value
Size 3x2mm
Manufacturers/ Website www.sipex.cpm www.murata.com www.murata.com www.murata.com www.vishay.com www.we-online.com www.we-online.com Mil-Max (digi-key)
10uF/6.3V/X5R 2.2uF/10V/X5R 0.22uF/6.3V/X5R 0.68/1%, 1/10W /1%, 3-Pin 2.54mm Header 2.54mm Jumper
Test point female
0603 0603 0402 0603 6.0x2.54mm 5.0x2.54mm .042"
ORDERING INFORMATION Model Temperature Range Package Type
SP7686EB. .-40°C +85°C.SP7686AEB Evaluation Board SP7686ER.-40°C +85°C. 8-pin
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