TC1222ECH datasheet(9/16 Pages) MICROCHIP

9 / 16 page

 2002 Microchip Technology Inc.

DS21367B-page 9

TC1221/TC1222

5.0

TYPICAL CHARACTERISTICS

Circuit of Figure 4-3, VIN = +5V, C1 = C2 = C3, TA = 25°C unless otherwise noted.

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.

TC1221 Supply Current vs. Supply Voltage

100

150

200

250

300

350

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

SUPPLY VOLTAGE (V)

C1 = C2 = C3 = 1

µF,

RL =

∞, +25°C

5.5

TC1221 Output Resistance vs. Supply Voltage

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE (V)

C1 = C2 = C3 = 1

µF, +25°C

TC1221 Output Voltage Ripple

vs. Capacitance, C2

100

150

200

250

300

CAPACITANCE (

µF)

VIN = 5.0V

VIN = 3.3V

VIN = 3.3V, RL = 1K, +25°C

VIN = 5.0V, RL = 1K, +25°C

IN = 5.0V

100

200

300

400

500

600

TC1221 Output Voltage Droop

vs. Capacitance, C1 = C2

IN = 3.3V

VIN = 3.3V, RL = 1K, +25°C

VIN = 5.0V, RL = 1K, +25°C

CAPACITANCE (

µF)

TC1221 Oscillator Frequency

vs. Supply Voltage

100

110

120

130

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE (V)

C1 = C2 = C3 = 1

µF,

RL =

∞, +25°C

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