TPS54233 datasheet(6/29 Pages) TI2

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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

-50

-25

100

125

150

T -JunctionTemperature-°C

3.25

3.50

3.75

VIN=12V

100

110

120

130

140

-50

-25

100

125

150

T -JunctionTemperature-°C

VIN=12V

V -InputVoltage-V

3.5

T =25°C

T =-40°C

T =150°C

1.90

2.10

-50

-25

100

125

150

T -JunctionTemperature-°C

V -InputVoltage-V

=2 A

=1 A

100

125

150

0.2

0.4

0.6

0.8

1.2

P -PowerDissipation-W

TPS54233-Q1

SLUSAZ7A – MARCH 2012 – REVISED MARCH 2012

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.

SUPPLEMENTAL APPLICATION CURVES

TYPICAL MAXIMUM OUTPUT VOLTAGE

MAXIMUM POWER DISSIPATION

INPUT VOLTAGE

JUNCTION TEMPERATURE

Figure 9.

Figure 10.

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