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TPS54821 Scheda tecnica(PDF) 8 Page - Texas Instruments

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Il numero della parte TPS54821
Spiegazioni elettronici  4.5 V to 17 V Input, 8 A Synchronous Step Down SWIFT??Converter With Hiccup
PDF  37 Pages
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54821 Scheda tecnica(HTML) 8 Page - Texas Instruments

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3.3
3.35
3.4
3.45
3.5
-50
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
VIN = 12 V
1.2
1.205
1.21
1.215
1.22
VIN = 12 V
-50
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
1.1
1.125
1.15
1.175
1.2
-50
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
3
6
9
12
15
18
V - Input Voltage - V
I
T = 125°C
J
T = 25°C
J
T = -40°C
J
0
1
2
3
4
EN = 0 V
2.1
2.2
2.3
2.4
2.5
-50
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
400
500
600
700
800
3
6
9
12
15
18
V - Input Voltage - V
I
T = 125°C
J
T = 25°C
J
T = -40°C
J
TPS54821
SLVSB14
– OCTOBER 2011
www.ti.com
TYPICAL CHARACTERISTICS (continued)
EN PIN UVLO THRESHOLD vs
EN PIN HYSTERESIS CURRENT vs JUNCTION
JUNCTION TEMPERATURE
TEMPERATURE
Figure 5.
Figure 6.
EN PIN PULLUP CURRENT vs JUNCTION TEMPERATURE
SHUTDOWN QUIESCENT CURRENT vs INPUT VOLTAGE
Figure 7.
Figure 8.
VIN NON-SWITCHING OPERATING QUIESCENT CURRENT
vs
SLOW START CHARGE CURRENT vs
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 9.
Figure 10.
8
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© 2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS54821



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