TPS54672PWPR datasheet(7/20 Pages) TI2

7 / 20 page

TPS54672

SLVS397C − JULY 2001 − REVISED FEBRUARY 2005

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TYPICAL CHARACTERISTICS

Figure 1

−40

125

VIN = 3.3 V

IO = 6 A

IO = 3 A

DRAIN-SOURCE

ON-STATE RESISTANCE

JUNCTION TEMPERATURE

TJ − Junction Temperature − °C

Figure 2

−40

125

VIN = 5 V

IO = 6 A

IO = 3 A

DRAIN-SOURCE

ON-STATE RESISTANCE

JUNCTION TEMPERATURE

TJ − Junction Temperature − °C

Figure 3

250

300

350

400

450

−40

125

TJ − Junction Temperature − °C

INTERNALLY SET OSCILLATOR

FREQUENCY

JUNCTION TEMPERATURE

Figure 4

200

300

400

500

600

700

800

−40

125

TJ − Junction Temperature − °C

EXTERNALLY SET OSCILLATOR

FREQUENCY

JUNCTION TEMPERATURE

Figure 5

1.240

1.245

1.250

1.255

1.260

456

TA = 85°C

REFIN = 1.25 V

IO − Output Current − A

OUTPUT VOLTAGE REGULATION

OUTPUT CURRENT

Figure 6

1.247

1.248

1.249

1.251

1.252

1.253

3.5

4.5

5.5

TA = 85°C

REFIN = 1.25 V,

IO = 3 A

IO − Input Voltage − V

OUTPUT VOLTAGE REGULATION

INPUT VOLTAGE

1.250

Figure 7

−20

100

120

140

100

1 k

1 M

−200

−180

−160

−140

−120

−100

−80

−60

−40

−20

10 k

100 k

10 M

f − Frequency − Hz

ERROR AMPLIFIER OPEN LOOP RESPONSE

Phase

Gain

RL = 10 kΩ,

CL = 160 pF,

TA = 25°C

Figure 8

−40

125

TJ − Junction Temperature − °C

SLOW-START TIME

JUNCTION TEMPERATURE

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