EV2905-K-01A HYSTERETIC SYNCHRONOUS STEP-DOWN CONTROLLER EV BOARD

EV2905-K-01A Rev. 1.0

www.MonolithicPower.com

3

12/7/2017

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

Preliminary Specifications Subject to Change

© 2017 MPS. All Rights Reserved.

EV2905-K-01A BILL OF MATERIALS

Qty

RefDes

Value

Description

Package

Manufacturer

Manufacturer P/N

2

C1A,C1B

22µF

Ceramic

Cap,

X5R,

25V

1210

muRata

GRM32ER61E226KE15L

2

C2A,C2B

22µF

Ceramic

Cap,

X5R,

16V

1210

muRata

GRM32ER61C226KE20L

1

C2C

330µF

Poscap, 6.3V

Poscap

Sanyo

6TPE330MIL

2

C1D,C2D

0.1µF

Ceramic

Cap,

X7R,

25V

0603

muRata

GRM188R71E104KA01D

2

C3,C5

10nF

Ceramic

Cap,

X7R,

50V

0603

muRata

GRM188R71H103KA01D

1

C4

4.7µF

Ceramic

Cap,

X5R,

6.3V

0603

muRata

GRM188R60J475KE19D

1

C6

1µF

Ceramic

Cap,

X7R,

25V

0603

muRata

GRM188R71E105KA12D

1

C7

0.1µF

Ceramic

Cap,

X7R,

50V

0603

muRata

GRM188R71H104KA93D

1

C8

3.9nF

Ceramic

Cap,

X7R,

50V

0603

muRata

GRM188R71H392KA01D

1

C9

2.2nF

Ceramic

Cap,

X7R,

50V

0603

muRata

GRM1885R71H222A01D

1

C10

2.2µF

Ceramic

Cap,

X7R,

10V

0603

muRata

GRM188R71A225KE15D

C11

NS

C12,C13

NS

1

R1

1.05kΩ

Film Res, 1%

0603

ROYAL

RL0603FR-071K05L

1

R2

1kΩ

Film Res, 1%

0603

ROYAL

RL0603FR-071KL

1

R3

3kΩ

Film Res, 1%

0603

ROYAL

RL0603FR-03KL

R4,R5

NS

4

R6,R8

R9,R11

0Ω

Film Res, 1%

0603

Yageo

RC0603FR-070RL

1

R7

20kΩ

Film Res, 1%

0603

ROYAL

RL0603FR-0720KL

2

R10,R12

2Ω

Film Res, 1%

0603

Yageo

RL0603FR-072RL

1

R13

52.3kΩ

Film Res, 1%

0603

ROYAL

RL0603FR-0752K3L

1

D1

B0540W,40V,0.5A

SOD123

Diodes

B0540W

1

D2

B0520LW-7-

F,20V,0.5A

SOD323

Diodes

B0520LW-7-F

1

L1

0.82µH

Inductor,Rated

current=27A,Saturation

current=35A,DCR=0.9

mΩ

SMT

Wruth

744355182

2

Q1,Q2

AM7432N,30V,27A,Rd

s_on=4.9mΩ@4.5Vgs,

Qg=25nC,tr=13ns,tf=43

ns@4.5Vgen

PowerPAK

SO-8

Analog Power

AM7432N

1

Q3

2N7002(60V,115mA)

SOT-23

Diodes

2N7002(60V,115mA)

1

U1

MP2905

Synchronous

Step-Down Controller

MSOP10

MPS

MP2905EK