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LM3550SPX/NOPB Datasheet(PDF) 26 Page - Texas Instruments

Part # LM3550SPX/NOPB
Description  LM3550 5-A Super-Capacitor Flash LED Driver
PDF  43 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM3550SPX/NOPB Datasheet(HTML) 26 Page - Texas Instruments

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SLE
bit7
OH2
bit6
OH1
bit5
OH0
bit4
FD3
bit3
FD2
bit2
FD1
bit1
FD0
bit0
MSB
LSB
Options Register
Register Address: 0xB0
1
bit6
F2
bit5
1
bit7
F1
bit4
F0
bit3
T2
bit2
T1
bit1
T0
bit0
MSB
LSB
Current Control Register
Register Address: 0xA0
26
LM3550
SNVS569C – MAY 2009 – REVISED OCTOBER 2016
www.ti.com
Product Folder Links: LM3550
Submit Documentation Feedback
Copyright © 2009–2016, Texas Instruments Incorporated
7.6.1.2 Current Control Register Description
Table 6. Torch Level Table
T2
T1
T0
Level
0
0
0
60 mA
0
0
1
80 mA
0
1
0
100 mA
0
1
1
120 mA
1
0
0
140 mA
1
0
1
160 mA
1
1
0
180 mA
1
1
1
200 mA
Table 7. Flash Level Table
F2
F1
F0
FB Voltage Level
0
0
0
30 mV
0
0
1
40 mV
0
1
0
50 mV
0
1
1
60 mV
1
0
0
70 mV
1
0
1
80 mV
1
1
0
90 mV
1
1
1
100 mV
7.6.1.3 Options Control Register Description
SLE: Strobe Level or Edge Sensitivity. 0 = Edge Sensitive, 1 = Level Sensitive
FD0-FD3: Flash Duration control bits (see Table 8).
OH0-OH2: Overhead Charge Voltage control bits (see Table 9).
Table 8. Time-out Duration Table
FD3
FD2
FD1
FD0
Time (msec)
0
0
0
0
16
0
0
0
1
32
0
0
1
0
48
0
0
1
1
64
0
1
0
0
80
0
1
0
1
96
0
1
1
0
112
0
1
1
1
128
1
0
0
0
144



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