MP2040 datasheet(6/12 Pages) MPS

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MP2040 –FAST TRANSIENT RESPONSE, 3A VERY LOW DROPOUT LINEAR REGULATOR

MP2040 Rev.1.0

www.MonolithicPower.com

9/21/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

C1=22µF, C2=0.1µF, C3=1.0µF, C4=4.7µF, C6=22nF, VB=5V, TA=25ºC, unless otherwise noted

VDROPOUT vs. Temperature

VO=1.2V, IO=1A

-45 -25

-5

55 75

0.504

0.506

0.508

0.51

0.512

0.514

-40

-10

110

VBF vs. Temperature

VIN=1.5V, VB=3.6V

VOUT vs. Temperature

VIN=1.5V, VO=1.5V, IO=1mA

1.18

1.19

1.20

1.21

1.22

1.23

-45 -25

-5

15 35

55 75

Load Transient

VIN=1.9V, VO=1.2V, IO=0 to 3A

Enable Turn ON

VIN=1.6V, VO=1.2V,

VEN=0V to 3V, IO=3A

Enable Turn Off

VIN=1.6V, VO=1.2V,

VEN=3V to 0V, IO=3A

Short Circuit

VIN=2.1V, VO=1.2V

Short Circuit Recovery

VIN=2.1V, VO=1.2V

Thermal Protection

VIN=3.8V, VO=2.5V, IO=3.6A

20mV/div.

1V/div.

VPG

5V/div.

VEN

2V/div.

2A/div.

2V/div.

5A/div.

2V/div.

5A/div.

1V/div.

VPG

5V/div.

VEN

2V/div.

5A/div.

2V/div.

VPG

5V/div.

VIN

2V/div.

2A/div.

1ms

20ms

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