 2002 Microchip Technology Inc.

DS21465B-page 3

TC7660

2.0

TYPICAL PERFORMANCE CURVES

FIGURE 2-1:

Operating Voltage vs.

Temperature.

FIGURE 2-2:

Output Source Resistance

vs. Supply Voltage.

FIGURE 2-3:

Frequency of Oscillation vs.

Oscillator Capacitance.

FIGURE 2-4:

Power Conversion

Efficiency vs. Oscillator Frequency.

FIGURE 2-5:

Output Source Resistance

vs. Temperature.

FIGURE 2-6:

Unloaded Oscillator

Frequency vs. Temperature.

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.

-25

0

+25

+75 +100 +125

12

10

8

6

4

2

+50

-55

TEMPERATURE (

°C)

0

SUPPLY VOLTAGE RANGE

7

8

10k

1k

100

Ω

6

5

4

3

2

1

0

SUPPLY VOLTAGE (V)

10

Ω

OSCILLATOR CAPACITANCE (pF)

10k

1

1k

100

10

10

100

1000

10k

V+ = +5V

OSCILLATOR FREQUENCY (Hz)

100

98

96

92

90

88

86

84

82

80

94

100

1k

10k

V+ = +5V

500

450

400

200

150

100

50

0

-55

-25

0

+25

+50

+75 +100 +125

TEMPERATURE (

°C)

V + = +2V

V + = +5V

TEMPERATURE (

°C)

20

-55

18

16

14

12

10

8

6

-25

0

+25 +50

+75 +100 +125

V+ = +5V