TPS54331 datasheet(6/24 Pages) TI

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0.7760

0.7820

0.7880

0.7940

0.8000

0.8060

0.8120

0.8180

0.8240

-50

-25

100

125

150

T -JunctionTemperature-°C

5.50

5.75

6.25

6.50

6.75

7.25

7.50

-50

-25

100

125

150

T -JunctionTemperature-°C

VIN=12V

100

110

120

130

140

-50

-25

100

125

150

T -JunctionTemperature-°C

VIN=12V

1.90

2.10

-50

-25

100

125

150

T -JunctionTemperature-°C

V -InputVoltage-V

T =150°C

T =25°C

T =-40°C

SUPPLEMENTAL APPLICATION CURVES

V -InputVolatage-V

0.75

0.85

0.95

1.05

1.15

1.25

=2 A

=3 A

V -InputVoltage-V

=2 A

=3 A

100

125

150

0.2

0.4

0.6

0.8

1.2

P -PowerDissipation-W

TPS54331

SLVS839B – JULY 2008 – REVISED OCTOBER 2008 ...................................................................................................................................................... www.ti.com

TYPICAL CHARACTERISTICS (continued)

MINIMUM CONTROLLABLE ON

MINIMUM CONTROLLABLE DUTY

VOLTAGE REFERENCE

TIME

RATIO

JUNCTION TEMPERATURE

Figure 4.

Figure 5.

Figure 6.

SS CHARGE CURRENT

CURRENT LIMIT THRESHOLD

JUNCTION TEMPERATURE

INPUT VOLTAGE

Figure 7.

Figure 8.

TYPICAL MINIMUM OUTPUT

TYPICAL MAXIMUM OUTPUT

VOLTAGE

MAXIMUM POWER DISSIPATION

INPUT VOLTAGE

JUNCTION TEMPERATURE

Figure 9.

Figure 10.

Figure 11.

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