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LP8556TME-E03 Datasheet(PDF) 10 Page - Texas Instruments

Part # LP8556TME-E03
Description  High-Efficiency LED Backlight Driver for Tablets
Download  63 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP8556TME-E03 Datasheet(HTML) 10 Page - Texas Instruments

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10
LP8556
SNVS871I – JULY 2012 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LP8556
Submit Documentation Feedback
Copyright © 2012–2016, Texas Instruments Incorporated
(1)
Minimum (MIN) and Maximum (MAX) limits are specified by design, test, or statistical analysis. Typical numbers are for information only.
7.9 Electrical Characteristics — Logic Interface
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOGIC INPUTS (PWM, SDA, SCL)
VIL
Input low level
–30°C
≤ TA ≤ 85°C
0.3 ×
VDDIO
V
VIH
Input high level
–30°C
≤ TA ≤ 85°C
0.7 ×
VDDIO
V
II
Input current
(VDDIO = 0 V or 3.6 V), (VI = 0 V or 3.6 V),
–30°C
≤ TA ≤ 85°C
–1
1
µA
LOGIC OUTPUTS (SDA)
VOL
Output low level
IOUT = 3 mA (pull-up current)
0.3
V
IOUT = 3 mA (pull-up current),
–30°C
≤ TA ≤ 85°C
0.3
0.4
IL
Output leakage current
VOUT = 5 V, –30°C ≤ TA ≤ 85°C
–1
1
µA
(1)
Verified by design and not tested in production.
7.10 I
2C Serial Bus Timing Parameters (SDA, SCL)(1)
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 set-up 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
Setup time for STOP condition
600
ns
10
Bus-free time between a STOP and a START condition
1.3
µs
Cb
Capacitive load parameter for each bus line load of 1 pF corresponds to 1 ns.
10
200
ns
Figure 1. I2C-Compatible Timing


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