TPS54980PWPR datasheet(7/17 Pages) TI

номер детали	TPS54980PWPR

подробное описание детали	3-V TO 4-V INPUT 9-A OUTPUT TRACKING SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETS FOR SEQUENCING

PDF	17 Pages

Scroll/Zoom	100%

производитель	TI [Texas Instruments]

домашняя страница	http://www.ti.com

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TPS54980

SLVS452A − FEBRUARY 2003 − REVISED FEBRUARY 2005

www.ti.com

TYPICAL CHARACTERISTICS

Figure 1

−40

125

VIN = 3.0 V

IO = 9 A

DRAIN-SOURCE

ON-STATE RESISTANCE

JUNCTION TEMPERATURE

TJ − Junction Temperature − °C

Figure 2

−40

125

VIN = 3.6 V

IO = 9 A

DRAIN-SOURCE

ON-STATE RESISTANCE

JUNCTION TEMPERATURE

TJ − Junction Temperature − °C

Figure 3

250

350

450

550

650

750

−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

RT = 68 k

RT = 100 k

RT = 180 k

Figure 5

0.885

0.887

0.889

0.891

0.893

0.895

−40

125

TJ − Junction Temperature − °C

VOLTAGE REFERENCE

JUNCTION TEMPERATURE

Figure 6

IL − Load Current − A

DEVICE POWER LOSSES

LOAD CURRENT

02468

VI = 3.3 V

TJ = 125°C

Figure 7

0.885

0.887

0.889

0.891

0.893

0.895

3.1

3.2

3.3

3.4

3.5

3.6

VI − Input Voltage − V

OUTPUT VOLTAGE REGULATION

INPUT VOLTAGE

Figure 8

−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

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