MAX8655 Просмотр технического описания (PDF) - Maxim Integrated

Номер в каталоге

Компоненты Описание

производитель

MAX8655

Highly Integrated, 25A, Wide-Input, Internal MOSFET, Step-Down Regulator

Maxim Integrated 

Highly Integrated, 25A, Wide-Input,

Internal MOSFET, Step-Down Regulator

(TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics

3.34

3.33

3.32

3.31

3.30

3.29

3.28

3.27

3.26

0

LOAD REGULATION

(CIRCUIT OF FIGURE 4)

VIN = 12V

5

10

15

20

25

LOAD CURRENT (A)

LINE REGULATION

(CIRCUIT OF FIGURE 4)

3.34

12A LOAD

3.33

3.32

3.31

3.30

3.29

3.28

3.27

3.26

5

10

15

INPUT VOLTAGE (V)

OSCILLATOR FREQUENCY vs. INPUT VOLTAGE

(CIRCUIT OF FIGURE 4)

400

390

RFSYNC = 76.8kΩ

380

370

TA = +25°C TA = -40°C

360

350

340

TA = +85°C

330

320

310

300

8

13

18

23

28

INPUT VOLTAGE (V)

FB VOLTAGE vs. EXPOSED PAD TEMPERATURE

(CIRCUIT OF FIGURE 4)

0.720

0.715

7.5A LOAD

0.710

0.705

0.700

0.695

0.690

0.685

0.680

20

-40

0

40

80

120

EXPOSED PAD TEMPERATURE (°C)

STEP-LOAD RESPONSE

(CIRCUIT OF FIGURE 3)

MAX8655 toc05

VOUT = 1.2V

VOUT

50mV/div

(AC-COUPLED)

40µs/div

IOUT

5A/div

POWER-UP WAVEFORMS

(CIRCUIT OF FIGURE 4)

MAX8655 toc06

VPOK

10V/div

POWER-DOWN WAVEFORMS

(CIRCUIT OF FIGURE 4)

MAX8655 toc07

VPOK

VIN

10V/div

5V/div

VEN

1V/div

VIN

VPOK

5V/div

VOUT

VOUT

5A/div

2V/div VOUT

ILX

ILX

10A/div

ILX

2ms/div

200µs/div

ENABLE WAVEFORMS

(CIRCUIT OF FIGURE 4)

MAX8655 toc08

5V/div

5V/div

2ms/div

2V/div

10A/div

_______________________________________________________________________________________ 5

Share Link: