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LM3555TLE Datasheet(PDF) 20 Page - Texas Instruments

Part # LM3555TLE
Description  LM3555 Synchronous Boost Converter with 500 mA High Side LED Driver and Dual-Mode Control Interface
PDF  33 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3555TLE Datasheet(HTML) 20 Page - Texas Instruments

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FC3
FC2
FC1
FC0
DEN
AC2
AC1
AC0
Current Set Register
Address: 0x03
Default:
0
1
1
0
1
0
0
1
Definition:
LM3555
SNVS594E – JANUARY 2009 – REVISED NOVEMBER 2011
www.ti.com
INDICATOR CURRENTS
IC1
IC0
Indicator LED Current
0
0
2.5 mA
0
1
5.0 mA
1
0
7.5 mA
1
1
10.0 mA
VREF OFFSET VOLTAGES
VREF Voltage
VO1
VO0
(Offset from 4.35V)
0
0
4.35V (+0V)
0
1
4.65V (+0.3V)
1
0
4.05V (
−0.3V)
1
1
4.95V (+0.6V)
FLASH TIMEOUT DURATION
FT3
FT2
FT1
FT0
Flash Timeout Duration
0
0
0
0
100 ms
0
0
0
1
150 ms
0
0
1
0
200 ms
0
0
1
1
250 ms
0
1
0
0
300 ms
0
1
0
1
350 ms
0
1
1
0
400 ms
0
1
1
1
450 ms
1
0
0
0
500 ms
1
0
0
1
550 ms
1
0
1
0
600 ms
1
0
1
1
650 ms
1
1
0
0
700 ms
1
1
0
1
750 ms
1
1
1
0
800 ms
1
1
1
1
850 ms
FC3-FC0: Flash Current Control Bits.
DEN: Diode Detection Enable Bit. ‘1’ = EN, ‘0’ = Disabled. Default = ‘1’ (Enabled)
AC2-AC0: Assist Light Current Control Bits.
FLASH CURRENT LEVELS
FC3
FC2
FC1
FC0
Flash Current Level
0
0
0
0
200 mA
0
0
0
1
220 mA
0
0
1
0
240 mA
0
0
1
1
260 mA
20
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Copyright © 2009–2011, Texas Instruments Incorporated
Product Folder Links: LM3555



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