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LM3554TMX/NOPB Datasheet(PDF) 25 Page - Texas Instruments

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Part # LM3554TMX/NOPB
Description  Synchronous Boost Converter
PDF  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3554TMX/NOPB Datasheet(HTML) 25 Page - Texas Instruments

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Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 7
MSB
LSB
Flags Register
Register Address 0xD0
VIN Monitor
Fault
LED Thermal
Fault
TX2
Interrupt
LED
Fault
Thermal
Shutdown
Flash
Timeout
TX1
Interrupt
N/A
Bit 6
25
LM3554
www.ti.com
SNVS549C – JUNE 2009 – REVISED FEBRUARY 2016
Product Folder Links: LM3554
Submit Documentation Feedback
Copyright © 2009–2016, Texas Instruments Incorporated
Table 4. Flash Duration Register Bit Settings
Bit 7 (Not
used)
Bit 6 (CL1)
Bit 5 (CL0)
Bit 4 (T4)
Bit 3 (T3)
Bit 2 (T2)
Bit 1 (T1)
Bit 0 (T0)
Reads Back '0'
Current Limit Select Bits
00 = 1-A peak current limit
01 = 1.5-A peak current limit
10 = 2-A peak current limit
(default)
11 = 2.5-A peak current limit
Flash Timeout Select Bits
00000 = 32-ms timeout
00001 = 64-ms timeout
00010 = 96-ms timeout
00011 = 128-ms timeout
00100 = 160-ms timeout
00101 = 192-ms timeout
00110 = 224-ms timeout
00111 = 256-ms timeout
01000 = 288-ms timeout
01001 = 320-ms timeout
01010 = 352-ms timeout
01011 = 384-ms timeout
01100 = 416-ms timeout
01101 = 448-ms timeout
01110 = 480-ms timeout
01111 = 512-ms timeout (default)
10000 = 544-ms timeout
10001 = 576-ms timeout
10010 = 608-ms timeout
10011 = 640-ms timeout
10100 = 672-ms timeout
10101 = 704-ms timeout
10110 = 736-ms timeout
10111 = 768-ms time-out
11000 = 800-ms timeout
11001 = 832-ms timeout
11010 = 864-ms timeout
11011 = 896-ms timeout
11100 = 928-ms timeout
11101 = 960-ms timeout
11110 = 992-ms timeout
11111 = 1024-ms timeout
7.6.1.4 Flags Register
The Flags Register holds the status of the flag bits indicating LED Failure, Over-Temperature, the Flash Timeout
expiring, VIN Monitor Fault, LED over temperature (NTC), and a TX interrupt. (See and Table 5.)
Flags Register Description



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