Temperature Monitors and

PWM Fan Controllers

4

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Typical Operating Characteristics

REMOTE TEMPERATURE ERROR

vs. REMOTE-DIODE TEMPERATURE

REMOTE-DIODE TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

-40

125

-1.5

-1.0

-0.5

0

0.5

1.0

1.5

2.0

-2.0

LOCAL TEMPERATURE ERROR

vs. DIE TEMPERATURE

DIE TEMPERATURE (

°C)

110

95

65 80

-10 5

20 35 50

-25

-40

125

-1.5

-1.0

-0.5

0

0.5

1.0

1.5

2.0

-2.0

10

0

0.001

0.01

0.1

1

10

100

REMOTE TEMPERATURE ERROR

vs. POWER-SUPPLY NOISE FREQUENCY

2

POWER-SUPPLY NOISE FREQUENCY (MHz)

4

6

8

1

3

5

7

9

7

-2

0.001

0.01

0.1

1

10

100

LOCAL TEMPERATURE ERROR

vs. POWER-SUPPLY NOISE FREQUENCY

-1

0

POWER-SUPPLY NOISE FREQUENCY (MHz)

2

1

5

6

4

3

TEMPERATURE ERROR

vs. COMMON-MODE NOISE FREQUENCY

COMMON-MODE NOISE FREQUENCY (MHz)

0.0001

0.1

1

10

0.001

0.01

100

12

-2

0

2

4

6

10

8

8

7

6

5

4

3

2

1

0

0.01

1

10

0.1

100

TEMPERATURE ERROR

vs. DIFFERENTIAL-MODE NOISE FREQUENCY

DIFFERENTIAL-MODE NOISE FREQUENCY (MHz)

TEMPERATURE ERROR

vs. DXP-DXN CAPACITANCE

DXP-DXN CAPACITANCE (nF)

1

-5

-4

-3

-2

-1

0

1

10

100

2.0

3.0

2.5

4.0

3.5

4.5

5.0

3.0

5.5

STANDBY SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

4.0

3.5

4.5

5.0

AVERAGE OPERATING SUPPLY CURRENT

vs. CONVERSION RATE

CONVERSION RATE (Hz)

3

2

1

50

100

150

200

250

300

350

400

450

500

0

04