TC670ECH datasheet(4/12 Pages) MICROCHIP

4 / 12 page

TC670

DS21688B-page 4

3.0

TYPICAL PERFORMANCE CHARACTERISTICS

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.

SUPPLY VOLTAGE (V)

110

105

100

115

2.7

3.0

3.3

3.6

3.9

4.2

4.5

4.8

5.1

5.4

5.7

6.0

Supply Current IDD vs. Supply Voltage (VDD)

vs. Temperature (TA)

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)

THRESHOLD Voltage vs. Fan Speed vs. Supply Voltage (VDD)

VDD = 3.6V

VDD = 3.0V

VDD = 3.3V

VDD = 5.5V

VDD = 5.0V

VDD = 2.7V

100

120

140

160

0.5

1.5

2.5

3.5

4.5

ALERT VLOW vs. ALERT ISINK

ALERT ISINK (mA)

VDD = 2.7V

VDD = 3.0V

VDD = 3.6V

VDD = 5.0V

VDD = 5.5V

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

ALERTACC (%)

ALERTACC vs. Fan Speed vs. Temperature

VDD = 3.0V

TA = -40˚C

TA = +25˚C

TA = +90˚C

168

169

170

171

172

173

174

175

176

177

2.5

3.0

3.5

4.0

4.5

5.0

POWER SUPPLY VOLTAGE (VDD)

Alert Output Delay (TDELAY) vs.

Power Supply Voltage (VDD)

CLEAR Pin HIGH to ALERT pin HIGH

Timing Diagram

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