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

MP8712 Rev. 1.2

MonolithicPower.com

24

3/19/2021

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

© 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

11kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1A

22µF

C1B

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

3.3µH

C4

22pF

C6

22nF

VIN

12V

PG

VOUT

5V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

Figure 14: VIN = 12V, VOUT = 5V, IOUT = 12A (9)

NOTE:

9)

Based on the evaluation board test result at 25°C ambient temperature. A lower input voltage will trigger over-temperature protection with

full load.

MP8712

VIN

9

5

PG

SS

NC

BST

SW

VOUT

VCC

PGND

AGND

FB

EN

C5

0.47μF

RPG

100kΩ

C1A

22µF

R2

162kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1B

22µF

C1C

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

0.47µH

C4

NS

C6

22nF

VIN

3V

PG

VOUT

0.9V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

C1

220µF

Figure 15: VIN = 3V, VOUT = 0.9V, IOUT = 12A

MP8712

VIN

9

5

PG

SS

NC

BST

SW

VOUT

VCC

PGND

AGND

FB

EN

C5

0.47μF

RPG

100kΩ

C1A

22µF

R2

80.6kΩ

R4

10kΩ

C2

22µF

C2A

22µF

C1B

22µF

C1C

0.1µF

R3

10Ω

C3

0.1µF

C2B

22µF

R1

80.6kΩ

L1

0.47µH

C4

NS

C6

22nF

VIN

3V

PG

VOUT

1.2V/12A

13

7

3, 4, 6

14

8

12

11

10

2

1

C2C

22µF

EN

R5

499kΩ

C1

220µF

Figure 16: VIN = 3V, VOUT = 1.2V, IOUT = 12A