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LP8557 Datasheet(PDF) 7 Page - Texas Instruments

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Part # LP8557
Description  High-Efficiency LED Backlight Driver For Tablets
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP8557 Datasheet(HTML) 7 Page - Texas Instruments

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LP8557, LP85571
www.ti.com
SNVSA15B – DECEMBER 2013 – REVISED DECEMBER 2015
7.10
I
2C Serial Bus Timing Parameters (SDA, SCL)
See
(1) and Figure 1.
PARAMETER
MIN
MAX
UNIT
ƒSCL
Clock Frequency
400
kHz
1
Hold Time (repeated) START Condition
0.6
μs
2
Clock Low Time
1.3
μs
3
Clock High Time
600
ns
4
Setup Time for a Repeated START Condition
600
ns
5
Data Hold Time
50
ns
6
Data Setup Time
100
ns
7
Rise Time of SDA and SCL
20 + 0.1Cb
300
ns
8
Fall Time of SDA and SCL
15 + 0.1Cb
300
ns
9
Set-up Time for STOP condition
600
ns
10
Bus Free Time between a STOP and a START Condition
1.3
μs
Capacitive Load Parameter for Each Bus Line
Cb
10
200
ns
Load of 1 pF corresponds to 1 ns.
tWAIT
Wait time from VDD = 2.7 V to 1
st I2C command
150
μs
(1)
Verified by design and not tested in production.
Figure 1. I2C-Compatible Timing
Copyright © 2013–2015, Texas Instruments Incorporated
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Product Folder Links: LP8557 LP85571


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