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TPS61311 Datasheet(PDF) 17 Page - Texas Instruments

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Part # TPS61311
Description  1.5A Multiple LED Camera Flash and Video Light Driver With I2CTM Compatible Interface
PDF  57 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61311 Datasheet(HTML) 17 Page - Texas Instruments

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t-Time=2 s/div
m
SW
(5V/div)
I
(200mA/div)
L
V
(100mV/div-4.95VOffset)
OUT
V =3.6V,
IN
V
=4.95V
I
=50mA,I
=1750mA
OUT
OUT
LIM
PFM/PWMOperation
ENPSMbit=1
t-Time=2 s/div
m
SW
(5V/div)
I
(200mA/div)
L
V
(100mV/div-3.825VOffset)
OUT
V =4.2V,
IN
V
=3.825V
I
=50mA,I
=1750mA
OUT
OUT
LIM
PFM/PWMOperation
ENPSMbit=1
I
(20mA/div)
LED2
t-Time=10µs/div
Frequency=30kHz
DutyCycle=23%
t-Time=125ns/div
SW
(2V/div)
I
(200mA/div)
L
V
(20mV/div-4.95VOffset)
OUT
V =3.6V,
IN
V
=4.95V
I
=300mA,I
=1750mA
OUT
OUT
LIM
ForcedPWMOperation
ENPSMbit=0
TPS61310, TPS61311
www.ti.com
SLVS978C – MARCH 2010 – REVISED NOVEMBER 2012
TYPICAL CHARACTERISTICS (continued)
Figure 30. LOW-LIGHT DIMMING MODE OPERATION
Figure 31. PWM OPERATION
Figure 32. PFM OPERATION
Figure 33. DOWN-MODE OPERATION (VOLTAGE MODE)
Copyright © 2010–2012, Texas Instruments Incorporated
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Product Folder Links: TPS61310 TPS61311



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