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TPS54821 Datasheet(PDF) 8 Page - Texas Instruments

Part # TPS54821
Description  4.5 V to 17 V Input, 8 A Synchronous Step Down Converter
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54821 Datasheet(HTML) 8 Page - Texas Instruments

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80
90
100
110
120
-50
-25
0
25
50
75
100
125
T - Junction Temperature - °C
J
VSENSE Rising
VSENSE Falling
VSENSE Rising
VSENSE Falling
VIN = 12 V
0.01
0.02
0.03
0.04
-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
2.1
2.2
2.3
2.4
2.5
-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
8
TPS54821
SLVSB14B – OCTOBER 2011 – REVISED FEBRUARY 2016
www.ti.com
Product Folder Links: TPS54821
Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
Typical Characteristics (continued)
Figure 7. EN Pin Pullup Current Threshold
vs Junction Temperature
Figure 8. Shutdown Quiescent Current
vs Input Voltage
Figure 9. VIN Non-Switching Operating Quiescent Current
vs Input Voltage
Figure 10. Slow Start Charge Current
vs Junction Temperature
Figure 11. SS/TR Vsense Offset vs Junction Temperature
Figure 12. PWRGD Threshold vs Junction Temperature


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