RP101K122D 查看數據表（PDF） - RICOH Co.,Ltd.

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RP101K122D

LOW NOISE 300mA LDO REGULATOR

RICOH Co.,Ltd. 

RP101x

ESR vs. Output Current

When using these ICs, consider the following points:

The relations between IOUT (Output Current) and ESR of an output capacitor are shown below.

The conditions when the white noise level is under 40µV (Avg.) are marked as the hatched area in the graph.

Measurement conditions

Frequency Band : 10Hz to 2MHz

Temperature : −40°C to 85°C

1000

RP101x12xx

Topt=-40°C

VIN=1.7V to 5.5V C1=Ceramic 1.0µF

100

10

1

0.1

0.01

0

50 100 150 200 250 300

Output Current IOUT (mA)

1000

RP101x33xx

Topt=-40°C

VIN=3.3V to 5.5V C1=Ceramic 1.0µF

100

10

1

0.1

0.01

0

50 100 150 200 250 300

Output Current IOUT (mA)

1000

RP101x12xx

Topt=85°C

VIN=1.7V to 5.5V C1=Ceramic 1.0µF

100

10

1

0.1

0.01

0

50 100 150 200 250 300

Output Current IOUT (mA)

1000

RP101x33xx

Topt=85°C

VIN=3.3V to 5.5V C1=Ceramic 1.0µF

100

10

1

0.1

0.01

0

50 100 150 200 250 300

Output Current IOUT (mA)

22

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