MP2326 Rev. 1.1

www.MonolithicPower.com

21

1/28/2016

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

© 2016 MPS. All Rights Reserved.

TYPICAL APPLICATION CIRCUITS

Note: Do NOT use R7 to set the forced PWM; use R6=130k. Do NOT use R6 to set the auto PFM/PWM; use R7=147k. The recommended R6

and R7 values are based on equations 12 and 13, and they are optimized according to test results.

MP2326

3, 14

1, 12

5

11

4

9

2, 13

8

7

6

10

Vin

EN

FREQ/MODE

VCC

PG

GND

SS

FB

CR

SW

BST

GND

VOUT

1.2V/4A

GND

C1A

0.1uF

C2A

22uF

R5

100K

R6

NS

R7

180K

R3

100K

C4

1uF

C3

15nF

Cb

0.1uF

Rb

0

L

2.2uH

Cr

100pF

R1

40.2K

R2

40.2K

C1

22uF

R4

NS

VIN

Note: Do NOT use R7 to set the forced PWM; use R6=158k. Do NOT use R6 to set the auto PFM/PWM; use R7=180k. The recommended R6

and R7 values are based on equations 12 and 13, and they are optimized according to test results.