MP8712 – 18V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER

MP8712 Rev. 1.2

MonolithicPower.com

23

3/19/2021

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© 2021 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS (continued)

MP8712

VIN

9

5

PG

SS

NC

BST

SW

VOUT

VCC

PGND

AGND

FB

EN

C5

0.47μF

RPG

100kΩ

C1

22µF

R2

40.2kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1A

22µF

C1B

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

1.5µH

C4

22pF

C6

22nF

VIN

12V

PG

VOUT

1.8V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

Figure 11: VIN = 12V, VOUT = 1.8V, IOUT = 12A

MP8712

VIN

9

5

PG

SS

NC

BST

SW

VOUT

VCC

PGND

AGND

FB

EN

C5

0.47μF

RPG

100kΩ

C1

22µF

R2

25.5kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1A

22µF

C1B

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

2.2µH

C4

22pF

C6

22nF

VIN

12V

PG

VOUT

2.5V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

Figure 12: VIN = 12V, VOUT = 2.5V, IOUT = 12A

MP8712

VIN

9

5

PG

SS

NC

BST

SW

VOUT

VCC

PGND

AGND

FB

EN

C5

0.47μF

RPG

100kΩ

C1

22µF

R2

17.8kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1A

22µF

C1B

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

2.2µH

C4

22pF

C6

22nF

VIN

12V

PG

VOUT

3.3V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

Figure 13: VIN = 12V, VOUT = 3.3V, IOUT = 12A