FB

GND

SW

CB

SHDN

LM2842

VOUT

VIN

L1

D1

RFB1

RFB2

VIN

CBOOT

CIN2

COUT2

CIN

VIN

U1

CFB

COUT

GND2

GND1

SW

OFF

ON

2

4

5

3

6

1

VIN

2

1

3

30080901

Evaluation Board Schematic

www.ti.com

5

Evaluation Board Schematic

Figure 1. LM2842 Evaluation Board Schematic

6

Bill of Materials

Table 1. Bill of Materials (BOM)

ID

Part Number

Type

Size

Parameters

Qty

Vendor

U1

LM2842

Buck Regulator

SOT-6

1

Texas

Instruments

L1

DO3308P-153MLD

Inductor

3308

15 µH, 2.0A

1

Coilcraft

D1

MA2YD2600L

Diode

SOD-123

60V, 800 mA

1

Panasonic

CIN

GRM31CR71H225KA88

Capacitor

1206

2.2 µF, 50V

1

Murata

CIN2

OPEN

COUT

GRM32ER60J476ME20

Capacitor

1210

47 µF, 6.3V

1

Murata

COUT2

OPEN

CFB

OPEN

CBOOT

VJ0805Y154KXXA

Capacitor

0805

0.15 µF

1

Vishay/Vitramo

n

RFB1

CRCW08053K40FKEA

Resistor

0805

3.4 k

Ω

1

Vishay

RFB2

CRCW08051K02FKEA

Resistor

0805

1.02 k

Ω

1

Vishay

ON/OFF

1X3 header

HDR1X3

0.100 Spacing

1

ON/OFF*

382811-6

Shunt

1

Tyco/Amp

VIN, VOUT,

1502-2

Test Post

TP 1502

5

Keystone

GND1, GND2,

SW

2

AN-1908 LM2842 Evaluation Board

SNVA377D – March 2009 – Revised April 2013

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