MP1583 – 3A, 23V, 385KHz STEP-DOWN CONVERTER

MP1583 Rev. 3.1

www.MonolithicPower.com

11

6/20/2011

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© 2011 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS

INPUT

4.75V to 23V

OUTPUT

3.3V

3A

C1

10

μ F/25V

CERAMIC

C2

22

μ F/10V

Murata

C3

4.7nF

C4

10nF

C6

NS

D1

C5

10nF

L1

15

μ H

R3

4.7k

Ω

R2

10k

Ω

R1

16.9k

Ω

MP1583

BS

IN

FB

SW

SS

GND

COMP

EN

1

3

5

6

4

8

7

2

OPEN = AUTOMATIC

STARTUP

Figure 5—3.3V output 3A solution with Murata 22µF, 10V Ceramic Output Capacitor