MP20043 datasheet(7/13 Pages) MPS

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MP20043 –DUAL-CHANNEL, 300mA LDO WITH PROGRAMMABLE OUTPUT VOLTAGE

MP20043 Rev.1.0

www.MonolithicPower.com

1/14/2013

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Test Combination A, VIN = 3.7V, P1 Open, P2 Open (VOUT1=2.8V, VOUT2=3.3V), CIN = COUT1= COUT2=

1μF, EN1=EN2= VIN, TA = +25ºC, unless otherwise noted.

300

350

400

450

500

550

600

-40 -20

20 40 60

80 100

TEMPERATURE(oC)

Channel 1

Channel 2

VIN=3.7V

Current Limit vs.

Temperature

-0.30%

-0.20%

-0.10%

0.00%

0.10%

0.20%

0.30%

50 100 150 200 250 300

OUTPUT CURRENT(mA)

Load Regulation

Channel 2

Channel 1

VIN=3.7V

-0.20%

-0.15%

-0.10%

-0.05%

0.00%

0.05%

0.10%

0.15%

0.20%

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE(V)

Line Regulation

Channel 1

Channel 2

IOUT=1mA

-0.20%

-0.15%

-0.10%

-0.05%

0.00%

0.05%

0.10%

0.15%

0.20%

-40 -20

80 100

TEMPERATURE (oC)

Output Voltage Accuracy

Channel 2

Channel 1

VIN=3.7V, IOUT=1mA

-20

100

10 100

10k 100k 1M 10M

FREQUENCY (Hz)

PSRR

Channel 2

Channel 1

IOUT=300mA,

Single Channel loaded

0.1

100

50 100 150 200 250 300

OUTPUT CURRENT(mA)

COUT ESR Stability vs.

Ouput Current

(For Both Channels)

COUT=10uF

COUT=0.47uF

Unstable Region

Stable Region

-10

FREQUENCY (Hz)

10 100

10k 100k 1M 10M

Channel to Channel Isolation

vs. Frequency

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