C1608JB0J475M 데이터 시트보기 (PDF) - Richtek Technology

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C1608JB0J475M

1.5MHz, 400mA, High Efficiency PWM Step-Down DC/DC Converter

Richtek Technology 

} Connect feedback network behind the output capacitors.

Keep the loop area small. Place the feedback

components near the RT8024.

} Connect all analog grounds to a command node and

then connect the command node to the power ground

behind the output capacitors.

VIN

4

RT8024

VIN

LX

3

L1

1 EN

C3

J1

FB 5

GND 2

VIN

RT8024

VOUT

C1

R1

C4

C2

R2 10uF

Suggested Inductors

Component

Supplier

TAIYO YUDEN

TAIYO YUDEN

Sumida

Sumida

GOTREND

GOTREND

Series

NR 3015

NR 3015

CDRH2D14

CDRH2D14

GTSD32

GTSD32

Inductance

(µH)

2.2

4.7

2.2

4.7

2.2

4.7

DCR

(mΩ)

60

120

75

135

58

146

Figure 6. EVB Schematic

Current Rating

(mA)

1480

1020

1500

1000

1500

1100

Dimensions

(mm)

3 x 3 x 1.5

3 x 3 x 1.5

4.5 x 3.2 x 1.55

4.5 x 3.2 x 1.55

3.85 x 3.85 x 1.8

3.85 x 3.85 x 1.8

Suggested Capacitors for CIN and COUT

Component Supplier

TDK

TDK

MURATA

MURATA

MURATA

TAIYO YUDEN

TAIYO YUDEN

TAIYO YUDEN

Part No.

C1608JB0J475M

C2012JB0J106M

GRM188R60J475KE19

GRM219R60J106ME19

GRM219R60J106KE19

JMK107BJ475RA

JMK107BJ106MA

JMK212BJ106RD

Capacitance (µF)

4.7

10

4.7

10

10

4.7

10

10

Case Size

0603

0805

0603

0805

0805

0603

0603

0805

DS8024-02 March 2011

www.richtek.com

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