LT1374HVIR(RevA) データシートの表示（PDF） - Linear Technology

部品番号

コンポーネント説明

メーカー

LT1374HVIR
(Rev.:RevA)

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

CONNECT TO

GROUND PLANE

C1 R3

PLACE FEEDTHROUGHS

AROUND GND PIN FOR GOOD

THERMAL CONDUCTIVITY

R2

KEEP FB AND VC COMPONENTS

AWAY FROM HIGH FREQUENCY,

HIGH CURRENT COMPONENTS

D2

C4

Figure 5. Suggested Layout (Topside Only Shown)

VOUT

TAKE OUTPUT

DIRECTLY FROM

END OF OUTPUT

CAPACITOR

KELVIN SENSE

VOUT

13745 F05

SWITCH NODE

L1

5V

HIGH

FREQUENCY

VIN

CIRCULATING

PATH

LOAD

1374 F06

Figure 6. High Speed Switching Path

16

Share Link: