TC1269 查看數據表（PDF） - Microchip Technology

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TC1269

300mA CMOS LDO with Shutdown and VREF Bypass

Microchip Technology 

TC1269

5.0 TYPICAL 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.

0.012

Line Regulation

0.010

0.008

0.006

0.004

0.002

0.000

-0.002

-0.004

-40° -20° 0° 20° 40° 60° 80° 100° 120°

TEMPERATURE (°C)

Output Noise

10.0

RLOAD = 50Ω

COUT = 1µF

1.0

0.1

0.0

0.01

0.01 1

10 100

FREQUENCY (kHz)

1000

Load Regulation

2.00

1.80

1.60

1 to 300mA

1.40

1.20

1.00

0.80

0.60

1 to 100mA

0.40

1 to 50mA

0.20

0.00

-40° -20° 0° 20° 40° 60° 80° 100° 120°

TEMPERATURE (°C)

100.0

Supply Current

90.0

80.0

70.0

60.0

50.0

40.0

-40° -20° 0° 20° 40° 60° 80° 100° 120°

TEMPERATURE (°C)

Dropout Voltage vs. Load Current

0.40

125°C

0.35

85°C

0.30

70°C

0.25

25°C

0.20

0°C

0.15

0.10

0.05

-40°C

0.00

0

50 100 150 200 250 300

LOAD CURRENT (mA)

3.075

VOUT vs. Temperature

VIN = 4V

ILOAD = 100µA

CLOAD = 3.3µF

3.025

2.975

2.925

-40° -20° 0° 20° 40° 60° 80° 100° 120°

TEMPERATURE (°C)

DS21380B-page 6

© 2002 Microchip Technology Inc.

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