MP2328 – 28V, 2A, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS

MP2328 Rev. 1.0

www.MonolithicPower.com

21

12/11/2020

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© 2020 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS (continued)

C3

0.1μF

MP2328

VIN

C1A

10μF

VIN

EN

SS

C4

22nF

SW

BST

C2A

22μF

FB

R3

191kΩ

PG

GND

VOUT

L1

10μH

C1B

10μF

C2B

22μF

R2

9.09kΩ

R1

51kΩ

R6

10kΩ

C5

470pF

R4

49.9kΩ

C1C

0.1μF

R5

100kΩ

2

1

3

6

7

4

8

5

6.5V to 28V

3.3V/2A

Figure 8: VIN = 6.5V to 28V, VOUT = 3.3V, IOUT = 2A

C3

0.1μF

MP2328

VIN

C1A

10μF

VIN

EN

SS

C4

22nF

SW

BST

C2A

22μF

FB

R3

191kΩ

PG

GND

VOUT

L1

10μH

C1B

10μF

C2B

22μF

R2

10kΩ

R1

90.9kΩ

R6

10kΩ

C5

300pF

R4

49.9kΩ

C1C

0.1μF

R5

100kΩ

2

1

3

6

7

4

8

5

6.5V to 28V

5V/2A

Figure 9: VIN = 6.5V to 28V, VOUT = 5V, IOUT = 2A

C3

0.1μF

MP2328

VIN

C1A

10μF

VIN

EN

SS

C4

22nF

SW

BST

C2A

22μF

FB

R3

237kΩ

PG

GND

VOUT

L1

15μH

C1B

10μF

C2B

22μF

R2

11kΩ

R1

255kΩ

R6

10kΩ

C5

82pF

R4

20kΩ

C1C

0.1μF

R5

100kΩ

2

1

3

6

7

4

8

5

17V to 28V

12V/3A

R7

51kΩ

Figure 10: VIN = 17V to 28V, VOUT = 12V, IOUT = 2A