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Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX6670 User Manual

Page 3

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MAX6668/MAX6670

Remote Temperature Switches with Integrated

Fan Controller/Driver

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

DD

= +3V to +3.6V, T

A

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

DD

= +3.3V and T

A

= +25°C.)

Note 1: T

RJ

is the temperature of the remote P-N junction.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

FORCEON Input Low Voltage

V

IL

0.2 x

V

DD

V

FORCEON Input Bias Current

V

FORCEON

= V

DD

or GND

1

µA

WARN, OT Output Voltage Low

V

OL

I

SINK

= 6mA

0.5

V

WARN, OT Output High Leakage
Current

I

OH

V

WARN

or V

OT

= +5.5V

1

µA

Typical Operating Characteristics

(T

A

= +25°C, unless otherwise noted.)

0

0.2

0.1

0.4

0.3

0.6

0.5

0.7

0

100

150

50

200

250

300

FANOUT CURRENT

vs. FANOUT VOLTAGE

MAX6668/70 toc01

I

FANOUT

(mA)

V

FANOUT

(V)

T

A

= +25

°C

V

DD

= +3.3V

0

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

DD

(V)

V

FANOUT

(V)

T

A

= +105

°C

T

A

= +65

°C

T

A

= +25

°C

I

FANOUT

= 250mA

0

40

20

80

60

120

100

140

SUPPLY CURRENT

vs. TEMPERATURE

MAX6668/70 toc03

TEMPERATURE (

°C)

I

DD

A)

0

25

50

75

100

V

DD

= +3.3V, I

FANOUT

= 250mA

0

40

20

80

60

120

100

140

3.0

3.6

3.3

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX6668/70 toc04

V

DD

(V)

I

DD

A)

FORCEON = V

DD

0

5

20

15

10

25

30

-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