MP2205A – 16V, 2.5A, 1.3MHz SYNCHRONOUS STEP-DOWN CONVERTER

MP2205A Rev. 0.9

www.MonolithicPower.com

13

9/1/2010

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TYPICAL APPLICATION CIRCUIT

Figure 3—Typical Application Circuit of MP2205A

Vin

9V to 16V

Vout

5V/2.5A

C3

47uF

R1

10k

R2

1.91k

L1

1uH

C5

100nF

C2

22uF

R3

100k

R4

10k

C4

1uF

D1

B0530

C1

22uF

D2

B0530

Z1

4.7V

Q1

MMBT3904

BS

5,10

4,11

14

1,3,12

8

13

IN

Vcc

SW

EN/SYNC

FB

AGND/PGND

MP2205A

2

9

POK

N/C

R5

100k

Figure 4—MP2205A with a Vcc Generation Circuit