MAX1718TEEI datasheet(8/34 Pages) MAXIM

Part #	MAX1718TEEI

Description	Notebook CPU Step-Down Controller

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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Notebook CPU Step-Down Controller

8

_______________________________________________________________________________________

100

µs/div

SHUTDOWN WAVEFORM

(PWM MODE, NO LOAD)

A

MAX1718T toc13

B0A

A = VOUT, 1V/div

B = INDUCTOR CURRENT, 10A/div

C = SKP/SDN, 5V/div

C

100

µs/div

SHUTDOWN WAVEFORM

(PWM MODE, IOUT = 12A)

A

MAX1718T toc14

B0A

A = VOUT, 1V/div

B = INDUCTOR CURRENT, 10A/div

C = SKP/SDN, 5V/div

C

Typical Operating Characteristics (continued)

(Circuit of Figure 1, V+ = 12V, VDD = VCC = SKP/SDN = 5V, VOUT = 1.25V, TA = +25°C, unless otherwise noted.)

40

µs/div

DYNAMIC OUTPUT VOLTAGE TRANSITION

(PWM MODE)

A

MAX1718T toc12

B0A

A = VOUT, 500mV/div, AC-COUPLED

B = INDUCTOR CURRENT, 10A/div

C = VGATE, 5V/div

D = SUS, 5V/div

C

D

VOUT = 0.7V TO 1.25V

IOUT = 3A, RTIME = 62k

Ω

0.750

0.800

0.775

0.850

0.825

0.900

0.875

0.925

0.5

0.9

1.1

0.7

1.3

1.5

1.7

1.9

OFFSET FUNCTION SCALE FACTOR

vs. DAC SETTING

DAC SETTING (V)

MEASURED

THEORETICAL

1.00

1.10

1.05

1.25

1.20

1.15

1.40

1.35

1.30

1.45

-300

-100

-200

0

100

200

OUTPUT VOLTAGE

vs. POS-NEG DIFFERENTIAL

POS-NEG (V)

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MAX1718TEEI Datasheet(PDF) 8 Page - Maxim Integrated Products

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