LT1374CFE 데이터 시트보기 (PDF) - Linear Technology

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LT1374CFE

4.5A, 500kHz Step-Down Switching Regulator

Linear Technology 

PACKAGE DESCRIPTION

R Package

7-Lead Plastic DD Pak

(LTC DWG # 05-08-1462)

.256

(6.502)

.060

(1.524)

.060

(1.524)

TYP

.390 – .415

(9.906 – 10.541)

.060

(1.524)

.183

(4.648)

.330 – .370

(8.382 – 9.398)

15° TYP

.165 – .180

(4.191 – 4.572)

.059

(1.499)

TYP

.075

(1.905)

.300

(7.620)

BOTTOM VIEW OF DD PAK

HATCHED AREA IS SOLDER PLATED

COPPER HEAT SINK

.143

+.012

–.020

( ) 3.632

+0.305

–0.508

.050

(1.27)

.026 – .035 BSC

(0.660 – 0.889)

TYP

.013 – .023

(0.330 – 0.584)

LT1374

.045 – .055

(1.143 – 1.397)

.004

+.008

–.004

( ) 0.102

+0.203

–0.102

.095 – .115

(2.413 – 2.921)

.050 ± .012

(1.270 ± 0.305)

R (DD7) 0502

.420

.080

.420

.276

.350

.565

.090

.050

.035

RECOMMENDED SOLDER PAD LAYOUT

NOTE:

1. DIMENSIONS IN INCH/(MILLIMETER)

2. DRAWING NOT TO SCALE

.325

.205

.565

.320

.090

.050

.035

RECOMMENDED SOLDER PAD LAYOUT

FOR THICKER SOLDER PASTE APPLICATIONS

1374fd

29

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