MAX8654 datasheet(7/17 Pages) MAXIM

Part #	MAX8654

Description	12V, 8A 1.2MHz Step-Down Regulator Operates from 4.5V to 14V Supply

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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7 / 17 page

LOAD TRANSIENT

MAX8654 toc16

20

µs/div

IOUT

VOUT

2A/div

100mV/div

AC-COUPLED

0A

SOFT-START TIME

vs. CSS

CSS (

µF)

1

6

5

4

3

2

9

8

7

10

0

0.025

0.050 0.075

0.100

0.125

0.150

STARTUP INTO A 0.5

Ω LOAD

MAX8654 toc18

200

µs/div

IIN

VEN

VOUT

VPWRGD

2A/div

10V/div

0V

0

2V/div

0V

2V/div

0V

12V, 8A 1.2MHz

Step-Down Regulator

_______________________________________________________________________________________

7

SOFT-START WITH REFIN

INTO A 0.5

Ω LOAD

MAX8654 toc19

40

µs/div

IIN

VREFIN

VOUT

VPWRGD

2A/div

500mV/div

0V

0

2V/div

0V

2V/div

0V

SYNCHRONIZED OPERATION (NO LOAD)

MAX8654 toc20

400ns/div

VLX2

VLX1

ILX1

ILX2

10V/div

10mV/div

0V

2A/div

Typical Operating Characteristics (continued)

(Typical values are: VIN = VVP = 12V, VOUT = 3.3V, RFREQ = 100kΩ, and TA = +25°C, circuit of Figure 1.)

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MAX8654 Datasheet(PDF) 7 Page - Maxim Integrated Products

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