Rainbow-electronics MAX6670 Bedienungsanleitung PDF herunterladen (Seite 3)

MAX6668/MAX6670

Remote Temperature Switches with Integrated

Fan Controller/Driver

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= +3V to +3.6V, T

= -40°C to +125°C, unless otherwise noted. Typical values are at V

= +3.3V and T

= +25°C.)

Note 1: T

is the temperature of the remote P-N junction.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

FORCEON Input Low Voltage V

0.2 x

FORCEON Input Bias Current V

FORCEON

= V

or GND 1 µA

WARN, OT Output Voltage Low V

SINK

= 6mA 0.5 V

WARN, OT Output High Leakage

Current

WARN

or V

= +5.5V 1 µA

Typical Operating Characteristics

= +25°C, unless otherwise noted.)

0.2

0.1

0.4

0.3

0.6

0.5

0.7

0 100 15050 200 250 300

FANOUT CURRENT

vs. FANOUT VOLTAGE

MAX6668/70 toc01

FANOUT

(mA)

FANOUT

(V)

= +25°C

= +3.3V

0.6

0.4

0.2

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.0 2.5

3.0

3.5

FANOUT VOLTAGE

vs. SUPPLY VOLTAGE

MAX6668/70 toc02

(V)

FANOUT

(V)

= +105°C

= +65°C

= +25°C

FANOUT

= 250mA

120

100

140

SUPPLY CURRENT

vs. TEMPERATURE

MAX6668/70 toc03

TEMPERATURE (°C)

(µA)

0 255075100

= +3.3V, I

FANOUT

= 250mA

120

100

140

3.0 3.63.3

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX6668/70 toc04

(V)

(µA)

FORCEON = V

-1.00

-0.25

-0.50 0.50-0.75 0 0.25 0.75

1.00

TEMPERATURE THRESHOLD ERROR

MAX6668/70 toc05

THRESHOLD ERROR (°C)

PERCENTAGE OF SAMPLES (%)

MAX6670AUB040

119 SAMPLES

1 2 3 4 5 6 7 8

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