Rainbow-electronics MAX6616 Manual do Utilizador descarregar pdf (Página 4)

MAX6615/MAX6616

Dual-Channel Temperature Monitors and

Fan-Speed Controllers with Thermistor Inputs

4 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

= +3.3V, T

= +25°C, unless otherwise noted.)

GPIO SINK CURRENT

vs. SUPPLY VOLTAGE

MAX6615/6 toc04

(V)

GPIO_

(mA)

5.04.54.03.5

3.0 5.5

GPIO_

= 0.4V

GPIO OUTPUT VOLTAGE

vs. GPIO SINK CURRENT

MAX6615/6 toc05

GPIO_

(mA)

GPIO_

(V)

706040 5020 3010

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

080

= 3V

= 5V

-5

-2

-3

-4

-1

05025 75 100 125

PWM FREQUENCY

vs. DIE TEMPERATURE

MAX6615/6 toc06

DIE TEMPERATURE (°C)

FREQUENCY SHIFT (Hz)

NORMALIZED AT T

= +25°C

-0.04

-0.02

0.04

0.02

0.08

0.06

0.10

3.0 4.03.5 4.5 5.0 5.5

PWM FREQUENCY

vs. SUPPLY VOLTAGE

MAX6615/6 toc07

(V)

FREQUENCY SHIFT (Hz)

NORMALIZED AT V

= 5.0V

1 2 3 4 5 6 7 8 9 ... 19 20

MAX6615/MAX6616 1

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