 2001-2012 Microchip Technology Inc.

DS21688D-page 3

TC670

2.0

TYPICAL PERFORMANCE CURVES

FIGURE 2-1:

Supply Current vs. Supply

Voltage.

FIGURE 2-2:

Fan Speed vs. Threshold

Voltage.

FIGURE 2-3:

Fan Speed vs. Threshold

Voltage.

FIGURE 2-4:

FIGURE 2-5:

FIGURE 2-6:

ALERT Output Delay vs.

Power Supply Voltage.

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

+90°C

+25°C

-45°C

115

70

75

80

85

90

95

100

105

110

Supply Voltage (V)

2.7

3.0

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

5.7

6.0

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

13000

14000

15000

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

THRESHOLD Voltage (V)

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

13000

14000

15000

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

THRESHOLD Voltage (V)

VDD = 3.6V

VDD = 5.5V

VDD = 5.0V

0

20

40

60

80

100

120

140

160

0.5

1

1.5

2

2.5

3

3.5

4

4.5

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

13000

-10.0 -8.0 -6.0 -4.0 -2.0 0.0

2.0

4.0

6.0

8.0 10.0

168

169

170

171

172

173

174

175

176

177

2.5

3.0

3.5

4.0

4.5

5.0