MP2005 datasheet(4/10 Pages) MPS

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MP2005 – 800mA, HIGH PSRR,ULDO LINEAR REGULATOR

MP2005 Rev. 0.92

www.MonolithicPower.com

5/5/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS

C1=C3=2.2uF, C2=4.7uF, VEN=VBIAS=3.6V, TA=25ºC, unless otherwise noted

1.000

1.001

1.002

1.003

1.004

1.005

200

400

800

1000

600

200

400

800

1000

600

200

400

800

1000

600

LOAD CURRENT (mA)

Load Regulation

3.0

4.2

3.6

3.20

3.25

3.30

3.35

3.40

5.4

4.8

6.0

INPUT VOLTAGE (V)

Line Regulation

PSRR vs. VIN

100

120

800

200

1000

400

600

0.1

1000

10000

100

1.0

2.0

1.000

1.002

1.004

1.006

1.008

1.010

2.45

2.47

2.49

2.51

2.53

2.55

3.0

4.0

5.0

6.0

-10

2.1

2.2

2.3

2.4

2.6

2.5

2.0

2.8

3.6

4.4

5.2

6.0

1.2

1.4 1.6 1.8 2.0 2.2 2.4 2.6

LOAD CURRENT (mA)

FREQUENCY (KHz)

INPUT VOLTAGE (V)

Voltage Dropout

PSRR vs.

Frequency

VIN=2.5V

VBIAS=4.5V

VIN=1.5 V

VOUT=1.2V

IOUT=0.1A

VIN=1.5 V

VOUT=1.2V

IOUT=0.1A

f=1MHz

VBIAS=3.5V

IOUT=50mA

IOUT=100mA

VBIAS=4.5V

IOUT=100mA

VBIAS=5V

3.28

3.29

3.30

3.31

3.33

3.32

VBIAS=3.5 V

VIN=3V

VIN=2.5V

VBIAS=4.5 V

VIN=1.5V

VIN=3.6V

VBIAS=5 V

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