MP2012 datasheet(4/10 Pages) MPS

部件名	MP2012

功能描述	Low Voltage, 2.7-6V Input,1.5A, 1.2MHz Synchronous Step-Down Converter

PDF	10 Pages

Scroll/Zoom	100%

制造商	MPS [Monolithic Power Systems]

网页	http://www.monolithicpower.com

标志

4 / 10 page

MP2012 – 1.5A SYNCHRONOUS STEP-DOWN CONVERTER

MP2012 Rev. 1.01

www.MonolithicPower.com

9/22/2011

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

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 5V, VOUT = 1.8V, L=3.3uH, TA = +25ºC, unless otherwise noted.

Load Regulation

Enable Supply Current vs.

Input Voltage

500

550

600

650

700

750

800

850

2.5

3 3.5

4 4.5

5 5.5

VIN(V)

Case Temperature Risevs.

Output Current

0.5

1.5

OUTPUT CURRENT (A)

DUTY CYCLE

Peak Current vs. Duty

LOAD CURRENT(A)

INPUT VOLTAGE (V)

Line Regulation

-0.4%

-0.3%

-0.2%

-0.1%

0.0%

0.1%

00.5

11.5

-0.60%

-0.40%

-0.20%

0.00%

0.20%

0.40%

2 2.5

3 3.5

4 4.5 5 5.5 6

Io=0A

Io=0.75A

Io=1.5A

Vin=3V

Vin=5V

Efficiency vs.

Load Current

LOAD CURRENT(A)

100

0.3

0.6

0.9

1.2

1.5

Vin=5V

Vin=3V

1.5

2.5

3.5

4.5

40% 50% 60% 70% 80% 90% 100%

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