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TPS40077PWPR Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPS40077PWPR
Description  HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
PDF  43 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS40077PWPR Datasheet(HTML) 7 Page - Texas Instruments

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−50
−25
50
100
125
0
115
150
140
100
25
75
135
125
110
105
120
145
130
TJ − Junction Temperature − °C
VDD
28 V
12 V
4.5 V
TJ – Junction Temperature – °C
−50
−25
50
100
125
0
−40
0
−10
−60
25
75
−20
−30
−50
Average
+3 S
−3 S
VVDD − Input Voltage − V
4
8
16
24
28
12
20
500
490
497
491
493
498
496
494
499
495
492
RRT = 90.1kΩ
−50
−25
50
100
125
0
699
704
697
25
75
702
698
700
703
701
TJ − Junction Temperature − °C
VDD
28 V
4.5 V
12 V
TPS40077
SLUS714 – JANUARY 2007
TYPICAL CHARACTERISTICS (continued)
CURRENT LIMIT OFFSET VOLTAGE
CURRENT LIMIT SINK CURRENT
vs
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Figure 5.
Figure 6.
FEEDBACK REGULATION VOLTAGE
SWITCHING FREQUENCY
vs
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
Figure 7.
Figure 8.
7
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