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SP7685EB Datasheet(PDF) 7 Page - Exar Corporation

Part # SP7685EB
Description  1.2A Buck/Boost Charge Pump LED Driver
PDF  13 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP7685EB Datasheet(HTML) 7 Page - Exar Corporation

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Date: 6/20/06 Rev T
SP7685, 1.2A Buck/BoostCharge Pump LED Driver
© 2006 Sipex Corporation
APPLICATION INFORMATION
EN
VOU
VFB
IIN
1A/div
Start Up 700mA Flash
VIN=3.6V, VOUT=3.6V
EN
VOUT
VFB
IOUT
1A/div
Torch in 1X to Flash in 2X Mode, V IN=3.6V
EN
VOUT
VFB
IIN
1A/div
Start Up 200mA Torch
VIN=3.6V, VOUT=3.1V
VIN =3.6V, Typical Application Circuit, TA = 25°C unless otherwise noted.
Flash Mode TimeOut Circuit at 2.6sec.
VIN=4.2V, IOUT=1A
VFB
VOUT
EN
EN
VOU
VFB
IIN
1A/div
Start Up 1000mA Flash
VIN=3.6V, VOUT=3.8V
EN
VOUT
VFB
IOUT
1A/div
Torch in 1X to Flash in 1X Mode, V IN=4.2V



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