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TPS54550PWPR Datasheet(PDF) 13 Page - Texas Instruments

Part # TPS54550PWPR
Description  4.5-V TO 20-V INPUT, 6-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET (SWIFT™)
PDF  33 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS54550PWPR Datasheet(HTML) 13 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V
=12V
IN
V
=4.5V
IN
0.8912
0.8910
0.8908
0.8906
0.8904
0.8902
0.8900
0.8898
−50 −25
0
25
50
75
100 125 150
TJ − Junction Temperature − 5C
VIN = 12 V
7.50
7.75
8
8.25
8.50
0
5
10
15
20
25
V -InputVoltage-V
I
T =25°C
J
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
700 kHz
600 kHz
500 kHz
400 kHz
300 kHz
200 kHz
IO > 0.5 A
VI − Input Voltage − V
0
100
200
300
400
500
600
700
800
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
IO > 0.5 A
VI − Input Voltage − V
VO = 3.3 V
VO = 2.5 V
VO = 1.8 V
VO = 1.5 V
VO = 0.9 V
VO = 1.2 V
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
700 kHz
600 kHz
500 kHz
400 kHz
300 kHz
200 kHz
IO = 0 A
VI − Input Voltage − V
0
100
200
300
400
500
600
700
800
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
IO < 0.1 A
VI − Input Voltage − V
VO = 3.3 V
VO = 2.5 V
VO = 0.9 V
VO = 1.8 V
VO = 1.5 V
VO = 1.2 V
50
75
100
125
150
175
200
225
200
300
400
500
600
700
Switching Frequency − kHz
0
2
4
6
8
10
12
14
0
5
10
15
20
25
V I − Input Voltage − V
TPS54550
SLVS623A–MARCH 2006–REVISED APRIL 2006
ON RESISTANCE
CURRENT LIMIT
INTERNAL VOLTAGE REFERENCE
vs
vs
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 5.
Figure 6.
Figure 7.
MAXIMUM SWITCHING
MINIMUM OUTPUT VOLTAGE
MINIMUM OUTPUT VOLTAGE
FREQUENCY
vs
vs
vs
INPUT VOLTAGE
INPUT VOLTAGE
INPUT VOLTAGE
Figure 8.
Figure 9.
Figure 10.
MAXIMUM SWITCHING
FREQUENCY
MAXIMUM OUTPUT VOLTAGE
RT RESISTANCE
vs
vs
vs
INPUT VOLTAGE
INPUT VOLTAGE
SWITCHING FREQUENCY
Figure 11.
Figure 12.
Figure 13.
13
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