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LM3642 Datasheet(PDF) 9 Page - Texas Instruments

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Part # LM3642
Description  LM3642 1.5A Synchronous Boost LED Flash Driver with High-Side Current Source
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3642 Datasheet(HTML) 9 Page - Texas Instruments

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500 mA/
DIV
VOUT
ILED
5V/DIV
2 ms/DIV
IIN
500 mA/
DIV
500 mA/
DIV
VOUT
ILED
5V/DIV
2 ms/DIV
IIN
500 mA/
DIV
500 mA/
DIV
VOUT
ILED
5V/DIV
200 ms/DIV
IIN
500 mA/
DIV
500 mA/
DIV
VOUT
ILED
5V/DIV
200 ms/DIV
IIN
500 mA/
DIV
500 mA/
DIV
VIN
ILED
200 mV/
DIV
200 s/DIV
500 mA/
DIV
VOUT
ILED
5V/DIV
200 ms/DIV
IIN
500 mA/
DIV
LM3642
www.ti.com
SNVS891F – SEPTEMBER 2012 – REVISED JANUARY 2014
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Input Voltage Flash Monitor
Stop and Hold Mode with Default Settings
Flash Mode to Torch Mode Transition
Figure 15.
Figure 16.
Torch Mode to Flash Mode Transition
Indicator Mode - Torch Mode - Flash Mode Transitions
Figure 17.
Figure 18.
VLED Short Fault
VOUT Short Fault
Figure 19.
Figure 20.
Copyright © 2012–2014, Texas Instruments Incorporated
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