MP8642 datasheet(5/12 Pages) MPS

номер детали	MP8642

подробное описание детали	Dual 3A, 23V, 600kHz Step-Down Converter with Frequency Synchronization

PDF	12 Pages

Scroll/Zoom	100%

производитель	MPS [Monolithic Power Systems]

домашняя страница	http://www.monolithicpower.com

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MP8642 — DUAL 3A, 23V, 600kHz STEP-DOWN CONVERTER

MP8642 Rev. 1.0

www.MonolithicPower.com

9/13/2012

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

TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 12V, VOUT = 3.3V, L =3.9µH, TA = +25ºC, unless otherwise noted.

Dmax Limit

820

825

830

835

840

845

850

855

860

865

870

0.05

0.10

0.15

0.20

0.25

0.30

0.35

4.0

4.5

5.0

5.5

6.0

6.5

7.0

20406080

100

-0.07

-0.05

-0.03

-0.01

0.01

0.03

0.05

0.07

00.511.522.5

33.5

DUTY CYCLE (%)

Peak Current vs.

Duty Cycle

INPUT VOLTAGE (V)

OUTPUT CURRENT (A)

Line Regulation

IOUT=5A

Case Temperature vs.

Output Current

LOAD CURRENT (A)

Load Regulation

VIN=12V

INPUT VOLTAGE (V)

Operating Range

VCC Regulator Line

Regulation

0.1

100

3.5

3.7

3.9

4.1

4.3

4.5

4.7

4.9

5.1

5.3

5.5

INPUT VOLTAGE (V)

Enable Supply Current

vs. Input Voltage

Disable Supply Current

vs. Input Voltage

-0.10

-0.08

-0.06

-0.04

-0.02

0.00

0.02

0.04

0.06

0.08

0.10

0369 12 15 18 21 24 27

30.0

32.5

35.0

37.5

40.0

42.5

45.0

0.5

1.5

2.5

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