EV5403-QB-02A – DUAL BUCK AND ONE LOAD SWITCH PMIC

EV5403-QB-02A Rev.1.0

www.MonolithicPower.com

2

2/6/2017

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

© 2017 MPS. All Rights Reserved.

EVALUATION BOARD SCHEMATIC

VIN1

GND

22uF

C1A

0.1uF

C1B

GND

GND

100K

R3

NS

R4

100K

R8

100K

R7

100K

R6

GND

GND

100K

R9

100K

R11

100K

R10

1uH

L1

1uH

L2

300K

R1A

300K

R2A

300K

R1B

300K

R2B

GND

10pF

C8

GND

22uF

C5A

22uF

C5B

22uF

C4A

22uF

C4B

10uF

C6A

GND

GND

GND

GND

NS

C6B

GND

22uF

C1C

GND

100K

R5

VIN1

1uF

C7

NS

R12

NS

F1

22uF

C2

GND

10uF

C3

GND

VIN2

VIN3

PFL Test Point

Vout1

Vout2

Vout3

6

3

7

4

1

5

2

EN2

EN3

PG3

PG2

PG1

EN1

PFL

PFL

EN2

EN1

EN3

PG1

PG2

PG3

GND

GND

SW1

PFL_ADJ

2

VIN1

3

VIN2

6

FB1

7

FB2

8

EN1

9

EN2

10

EN3

11

SW2

12

V_SUS

13

SW1

14

PG1

15

PG2

16

PG3

17

VIN3

18

OUT3

19

U1

VIN1

PFL ADJ

MP5403

EV5403-QB-02A BILL OF MATERIALS

Qty

Ref

Value Description

Package Manufacturer Part Number

2

L1, L2

1μH

Inductor, ±20%

SMD

Wurth

744 373 240 10

7

C1A, C1C,

C2, C4A,

C4B, C5A,

C5B

22μF

Ceramic Capacitor, 10V, X5R

0805

muRata

GRM21BR61A226ME51L

2

C3, C6A

10μF

Ceramic Capacitor, 10V, X5R

0805

muRata

GRM21BR61A106KE19L

1

C7

1μF

Ceramic Capacitor, 16V, X7R

0603

muRata

GRM21BR71C105KA01L

1

C1B

0.1μF

Ceramic Capacitor, 16V, X7R

0603

muRata

GRM219R71C104KA01D

1

C8

10pF

Ceramic Capacitor, 50V, COG

0603

muRata

GRM1885C1H100JA01D

4

R1A, R1B,

R2A, R2B

300kΩ Film Res,1%

0603

ROYAL

RL0603FR-07300KL

8

R3, R5,

R6, R7,

R8, R9,

R10, R11

100kΩ Film Res,5%

0603

Any

Any

1

U1

MP5403

Dual buck and one load

switch PWIC

QFN20

MPS

MP5403

1

CN1

1X7 PINS, 2.54mm

Any

Any