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TPS566250DDAR Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce TPS566250DDAR
Description  TPS566250 4.5-V to 17-V Input, 6-A Synchronous Step-Down Converter With VID Control
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS566250DDAR Fiches technique(HTML) 6 Page - Texas Instruments

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VIL
VIH
TPS566250
SLVSCV3B – MARCH 2015 – REVISED JUNE 2015
www.ti.com
7.6 Timing Requirements
MIN
TYP
MAX
UNIT
ON-TIME TIMER CONTROL
ton
SW On time
VIN = 12 V, VOUT = 1.1 V
165
ns
toff
SW Minimum off time
TA = 25 °C, FB = 0.5 V
275
325
ns
SOFT START
tSS
Soft start time
Internal soft start time
0.7
1
1.3
ms
OUTPUT UNDERVOLTAGE PROTECTION
t(UVPDEL)
Hiccup delay time (power into short)
1.3
ms
t(UVPEN)
Hiccup off time before restart
10
ms
SERIAL INTERFACE(1) (2) (3)
Pulse width of spikes suppressed by input
t(SP)
32
ns
filter
t(HD;STA)
Hold time (repeated) START condition.
0.6
µs
tLOW
LOW period of SCL clock
1.3
µs
tHIGH
HIGH period of SCL clock
0.6
µs
t(SU;STA)
Set-up time for a repeated START condition
0.6
µs
t(HD;DAT)
Data Hold time
50
900
ns
t(SU;DAT)
Data set-up time
100
ns
tr
Rise time (SDA or SCL)
20+0.1Cb(3)
300
ns
tf
Fall time (SDA or SCL)
20+0.1Cb(3)
300
ns
t(SU;STO)
Set-up time for STOP condition
0.6
µs
Bus free time between STOP and START
t(BUF)
1.3
µs
condition
(1)
Specified by design. Not production tested.
(2)
Refer to Figure 1 below for I2C Timing Definitions
(3)
Cb = capacitance of bus line in pF
Figure 1. I2C Timing Definitions (reproduced from Phillips I2C spec Version 1.1)
6
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