TPS54872PWPR datasheet(7/17 Pages) TI

номер детали	TPS54872PWPR

подробное описание детали	8-A OUTPUT 4-V TO 6-V INPUT TRACKING /TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETS

PDF	17 Pages

Scroll/Zoom	100%

производитель	TI [Texas Instruments]

домашняя страница	http://www.ti.com

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7 / 17 page

TPS54872

SLVS436C − JULY 2002 − REVISED FEBRUARY 2005

www.ti.com

TYPICAL CHARACTERISTICS

Figure 1

−40

−15

110

135

VI = 5 V,

IO = 8 A

DRAIN-SOURCE

ON-STATE RESISTANCE

JUNCTION TEMPERATURE

TJ − Junction Temperature − °C

Figure 2

250

350

450

550

650

750

−40

125

TJ − Junction Temperature − °C

INTERNALLY SET

OSCILLATOR FREQUENCY

JUNCTION TEMPERATURE

RT = Open

Figure 3

200

300

400

500

600

700

800

−40

125

TJ − Junction Temperature − °C

EXTERNALLY SET

OSCILLATOR FREQUENCY

JUNCTION TEMPERATURE

Figure 4

0.5

1.5

2.5

3.5

4.5

IL − Load Current − A

DEVICE POWER LOSSES

LOAD CURRENT

TJ = 125°C

fs = 700 kHz

VI = 5 V

Figure 5

2.75

2.90

3.05

3.20

3.35

3.50

3.65

−40

125

TJ − Junction Temperature − °C

INTERNAL SLOW-START TIME

JUNCTION TEMPERATURE

3.80

Figure 6

−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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