MAX8655 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

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 (continued)

VFSYNC

FSYNC AND SYNCO

(CIRCUIT OF FIGURE 4)

MAX8655 toc09

5V/div

VLX

(SLAVE)

DUAL-PHASE SWITCHING

(CIRCUIT OF FIGURE 5)

MAX8655 toc10

5V/div

VLX

5V/div

VSYNCO

INTERNAL 350kHz SYNCHRONIZED TO

OPERATION

EXTERNAL 500kHz CLOCK

1µs/div

5V/div

SHORT CIRCUIT AND RECOVERY

MAX8655 toc11

VIN

500mV/div

(AC-COUPLED)

VOUT

1V/div

IIN

1A/div

1ms/div

VLX

(MASTER)

VSYNCO

(MASTER)

VOUT

5V/div

5V/div

1µs/div

OVERVOLTAGE PROTECTION

(CIRCUIT OF FIGURE 3)

MAX8655 toc12

2V/div

VLX

5V/div

40µs/div

CLOSED-LOOP BODE PLOT

(CIRCUIT OF FIGURE 3)

50

180 MAX8655toc13

40

144

30

PHASE 108

20

72

10

36

0

0

-10

GAIN

-20

-30

-40

500 1k 2k 4k 10k 20k 40k 100k 200k400k

FREQUENCY (Hz)

SAFE OPERATING AREA

30

25

20

15

10

5

0

5

10

15

20

25

30

INPUT VOLTAGE (V)

6 _______________________________________________________________________________________

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