LT1374CFE 데이터 시트보기 (PDF) - Linear Technology

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LT1374CFE

4.5A, 500kHz Step-Down Switching Regulator

Linear Technology 

LT1374

APPLICATIONS INFORMATION

MINIMIZE LT1374, C3, D1 LOOP

CONNECT TO

GROUND PLANE

VIN

C3

D1

C5

GND

C6

1

GND

U1

L1

VOUT

TAKE OUTPUT

DIRECTLY FROM

END OF OUTPUT

CAPACITOR

C1 R3

CONNECT TO

PLACE FEEDTHROUGHS

GROUND PLANE AROUND GND PIN FOR GOOD

THERMAL CONDUCTIVITY

R2

KEEP FB AND VC COMPONENTS

AWAY FROM HIGH FREQUENCY,

HIGH CURRENT COMPONENTS

D2

C4

Figure 5a. Suggested Layout (Topside Only Shown) SO-8

KELVIN SENSE

VOUT

13745 F05a

1374fd

16

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