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LM5177 Datasheet(PDF) 16 Page - Texas Instruments

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Part # LM5177
Description  LM251772 36V 4-Switch Buck-Boost Controller with I2C for USB-PD sourcing
PDF  112 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5177 Datasheet(HTML) 16 Page - Texas Instruments

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Over operating junction temperature range and recommended supply voltage range (unless otherwise noted)
MIN
NOM
MAX
UNI
T
tHIGH
HIGH period of the SCL clock
Standard mode
4.0
µs
Fast mode
0.6
Fast mode plus (1)
0.26
tBUF
Bus free time between a STOP and
a START condition
Standard mode
4.7
µs
Fast mode
1.3
Fast mode plus (1)
0.5
tSU:STA
Set-up time for a repeated START
condition
Standard mode
4.7
µs
Fast mode
0.6
Fast mode plus (1)
0.26
tHD:STA
Hold time (repeated) START
condition
Standard mode
4.0
µs
Fast mode
0.6
Fast mode plus (1)
0.26
tHD:DAT
Data hold time
Standard mode
0
µs
Fast mode
0
Fast mode plus (1)
0
tr
Rise time of both SDA and SCL
signals
Standard mode
1000
ns
Fast mode
20
300
Fast mode plus (1)
20
tf
Fall time of both SDA and SCL
signals
Standard mode
300
ns
Fast mode
20×VDD/
5.5
300
Fast mode plus (1)
20×VDD/
5.5
120
tsu:STO
Set-up time for STOP condition
Standard mode
4.0
µs
Fast mode
0.6
Fast mode plus (1)
0.26
tVD;DAT
Data valid time
Standard mode
3.45
µs
Fast mode
0.9
Fast mode plus (1)
0.45
tVD;ACK
Data valid acknowledge time
Standard mode
3.45
µs
Fast mode
0.9
Fast mode plus (1)
0.45
Cb
Capacitive load for each bus line
Standard mode
400
pF
Fast mode
400
(1)
Fast mode plus is supported but not fully compliant with I2C standard
LM251772
SNVSCT9 – OCTOBER 2024
www.ti.com
16
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: LM251772



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