MP2166

– 6V, DUAL 2A/2A OR 3A/1A, SYNC, BUCK REGULATOR WITH PG AND SS

MP2166 Rev. 1.0

www.MonolithicPower.com

19

3/14/2017

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

© 2017 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS

2

4

12

10

5

SW1

FB1

FB2

SW2

9

18

17

15

14

SS1

PG1

PG2

SS2

EN2

EN1

MP2166

22uF

C1A

16V

22uF

16V

2.7V-6V

EN2

0.1uF

C1B

16V

EN1

100k

R4

100k

R9

75k

R11

C4

50V

C3

JP1

VCC

AGND

CCM

AAM

10

R7

100k

R8

C1C

C1D

22uF

C2C

22uF

C2D

Vout2

1.5uH

L2

10

R5

100k

R6

22uF

C2A

Vout1

1.5uH

L1

22uF

C2B

0805

0805

0805

0805

16V

16V

0805 0805

16V

16V

0805

0805

1.5nF

50V

1.5nF

1.2V/1A

1.8V/2A

100k

R3

100K

R1

0.1uF

16V

VIN

GND

0.1uF

C5

CHB

CHA

100k

R12

49.9k

R18

NC

C11

R17

NC

C8

R19

R16

100k

NC

R15

100k

NC

PG2

PG1

Figure 7: 2A/2A Application Circuit

2

4

12

10

5

SW1

FB1

FB2

SW2

9

18

17

15

14

SS1

PG1

PG2

SS2

EN2

EN1

MP2166

22uF

C1A

16V

22uF

16V

2.7V-6V

EN2

0.1uF

C1B

16V

EN1

100k

R4

100k

R9

75k

R11

C4

50V

C3

JP1

VCC

AGND

CCM

AAM

10

R7

100k

R8

C1C

C1D

22uF

C2C

22uF

C2D

Vout2

1.5uH

L2

10

R5

100k

R6

22uF

C2A

Vout1

0.68uH

L1

22uF

C2B

0805

0805

0805

0805

16V

16V

0805 0805

16V

16V

0805

0805

1.5nF

50V

1.5nF

1.2V/1A

1.8V/3A

100k

R3

100K

R1

0.1uF

16V

VIN

GND

0.1uF

C5

CHB

CHA

100k

R12

49.9k

R18

NC

C11

R17

NC

C8

R19

R16

100k

NC

R15

100k

NC

PG2

PG1

Figure 8: 3A/1A Application Circuit