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LM3565 数据表(PDF) 21 Page - Texas Instruments

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部件名 LM3565
功能描述  4MHz, High-Current Flash LED Driver
PDF  35 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM3565 数据表(HTML) 21 Page - Texas Instruments

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FT7
FT6
FT5
FT4
FT3
FT2
FT1
FT0
Timing Control Register
Address: 0x05
Default:
0
0
1
0
0
0
1
1
Definition:
LM3565
www.ti.com
SNVS957 – JANUARY 2013
LVEN: Flash Low Voltage Checking Enable Bit. '0' = Disabled, '1' = Enabled
LVL2-LVL0: Flash Low Voltage Detection Level. See Table 5.
LVR1-LVR0: Flash Low Voltage Current Reduction Level.
See Table 5.
LVRS: State Machine Reset Bit. '0' = Normal operation, '1' = RESET
Table 5. Flash Low Voltage Detection Levels
Input Voltage
LVL2
LVL1
LVL0
Level
0
0
0
3.0V
0
0
1
3.1V
0
1
0
3.2V
0
1
1
3.3V
1
0
0
3.4V
1
0
1
3.5V
1
1
0
3.6V
1
1
1
3.7V
Table 6. Flash Low Voltage Current Reduction Values
ICL1
ICL0
Peak Inductor Current Limit
0
0
150 mA
0
1
180 mA
1
0
210 mA
1
1
240 mA
FT7-FT0: Flash Timeout Duration Bits.
Flash Time = (2 + N x 2)ms, where 0
≤ N ≤ 255
'0x00' = 2ms, '0x01' = 4ms, '0x02' = 6ms, . . ., '0x22' = 126ms, . . ., '0xFF' = 512 ms.
Copyright © 2013, Texas Instruments Incorporated
21
Product Folder Links: LM3565



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