RT8259 データシートの表示（PDF） - Richtek Technology

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RT8259

1.2A, 24V, 1.4MHz Step-Down Converter

Richtek Technology 

RT8259

Table 2. Suggested Inductors for L1

Component Supplier Series Inductance (µH)

TDK

SLF7045

4.7

TAIYO YUDEN

NR8040

4.7

GOTERND

GTSD53

4.7

GOTERND

GSSR2

4.7

DCR (mΩ)

30

18

45

18

Current Rating (A) Dimensions (mm)

2

7 x 7 x 4.5

4.7

8x8 x4

1.87

5 x 5 x 2.8

5.7

10 x 10 x 3.8

Table 3. Suggested Capacitors for CIN and COUT

Component Supplier

Part No.

Capacitance (µF)

MURATA

GRM31CR61E106K

10

TDK

C3225X5R1E106K

10

TAIYO YUDEN

TMK316BJ106ML

10

MURATA

GRM31CR61C226M

22

TDK

C3225X5R1C226M

22

TAIYO YUDEN

EMK316BJ226ML

22

Case Size

1206

1206

1206

1206

1206

1206

Table 4. Suggested Diode for D1

Component Supplier Series

DIODES

DIODES

PANJIT

PANJIT

B230A

B330A

SK23

SK33

VR RM (V)

30

30

30

30

IOUT (A)

2

3

2

3

Package

DO-214AC

DO-214AC

DO-214AC

DO-214AB

DS8259-03 March 2011

www.richtek.com

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