EV2364DF-01A – 1.5A, 23V, 1.4MHz DUAL STEP-DOWN CONVERTER EV BOARD

EV2364DF-01A Rev. 1.1

www.MonolithicPower.com

2

3/1/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

TM

EVALUATION BOARD SCHEMATIC

C5

3.3nF

C4

NS

VOUTA

3.3V @ 1.5A

VIN

4.75V to 23V

GND

GND

D1

NS

OPTIONAL

5V INPUT ONLY

D4

NS

OPTIONAL

5V INPUT ONLY

EV2364_S01

D2

B230A-13

C2

10nF

ENB

C7

10nF

D3

B230A-13

C8

2.2nF

ENA

U1

C10

NS

VOUTB

2.5V @ 1.5A

GND

MP2364

ENA

COMPA

FBA

SGB

PGB

SWB

INB

NC2

BSB

SSB

SSA

NC1

BSA

INA

SWA

PGA

SGA

FBB

COMPB

ENB

C13

82pF

EV2364DF-01A BILL OF MATERIALS

Qty

Ref

Value

Description

Package Manufacturer P/N

Distributor P/N

2

C1, C6

0.47µF Ceramic Capacitor, 16V, X7R

0805

TDK:

C2012X7R1C474K

Digikey:

445-1357-1-ND

2

C2, C7

10nF

Ceramic Capacitor, 50V, X7R

0603

TDK:

C1608X7R1H103K

Digikey:

445-1311-1-ND

2

C3, C9

22µF

Ceramic Capacitor, 6.3V, X5R

1210

TDK:

C3225X5R0J226M

Digikey:

445-1404-1-ND

2

C4, C10

Do Not Stuff

1

C5

3.3nF

Ceramic Capacitor, 50V, X7R

0603

Panasonic:

ECJ-1VB1H332K

Digikey:

PCC1778CT-ND

1

C8

2.2nF

Ceramic Capacitor, 50V, X7R

0603

TDK:

C1608X7R1H222K

Digikey:

445-1309-1-ND

2

C11, C12

10µF

Ceramic Capacitor, 25V, X7R

1210

TDK:

C3225X7R1E106M

Digikey:

445-1434-1-ND

1

C13

82pF

Ceramic Capacitor, 50V, NPO

0603

TDK:

C1608C0G1H820J

Digikey:

445-1280-1-ND

2

D1, D4

Do Not Stuff

2

D2, D3

Schottky Diode, 30V, 2A, SMA

Diodes Inc:

B230A-13

Digikey:

B230ADICT-ND

2

L1, L2

Inductor, 5uH, 2.4A, SMD

Sumida:

CDRH6D28-5R0NC

1

R1

25.5kΩ Resistor, 1%

0603

Any

Any

1

R2

7.5kΩ

Resistor, 5%

0603

Any

Any

3

R3, R5, R6

10kΩ

Resistor, 1%

0603

Any

Any

1

R4

16.9kΩ Resistor, 1%

0603

Any

Any

1

U1

DC/DC Converter, TSSOP20

MPS: MP2364DF