TC1221 datasheet(10/16 Pages) MICROCHIP

部件名	TC1221

功能描述	High Frequency Switched Capacitor Voltage Converters with Shutdown in SOT Packages

PDF	16 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

10 / 16 page

TC1221/TC1222

DS21367B-page 10

 2002 Microchip Technology Inc.

5.0

TYPICAL CHARACTERISTICS (CONTINUED)

TC1222 Supply Current vs. Supply Voltage

250

500

750

1000

1250

1500

1750

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

SUPPLY VOLTAGE (V)

C1 = C2 = C3 = 0.22

µF,

RL =

∞, +25°C

TC1222 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 = 0.22

µF, +25°C

120

012

160

TC1222 Output Voltage Ripple

vs. Capacitance , C2

VIN = 5.0V

VIN = 3.3V

VIN = 3.3V, RL = 1K, +25°C

VIN = 5.0V, RL = 1K, +25°C

CAPACITANCE (

µF)

IN = 5.0V

TC1222 Output Voltage Droop

vs. Capacitance, C1 = C2

IN = 3.3V

100

150

200

250

300

350

400

450

500

CAPACITANCE (

µF)

VIN = 3.3V, RL = 1K, +25°C

VIN = 5.0V, RL = 1K, +25°C

500

550

600

650

700

750

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TC1222 Oscillator Frequency

vs. Supply Voltage

SUPPLY VOLTAGE (V)

C1 = C2 = C3 = 0.22

µF,

RL =

∞, +25°C

TC1221 数据表(PDF) 10 Page - Microchip Technology

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