LT3089

27

3089f

For more information www.linear.com/LT3089

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

PACKAGE DESCRIPTION

Please refer to http://www.linear.com/product/LT3089#packaging for the most recent package drawings.

R (DD7) 0212 REV F

.026 – .035

(0.660 – 0.889)

TYP

.143 +.012

–.020

(

)

3.632 +0.305

–0.508

.050

(1.27)

BSC

.013 – .023

(0.330 – 0.584)

.095 – .115

(2.413 – 2.921)

.004 +.008

–.004

(

)

0.102 +0.203

–0.102

.050 ±.012

(1.270 ±0.305)

.059

(1.499)

TYP

.045 – .055

(1.143 – 1.397)

.165 – .180

(4.191 – 4.572)

.330 – .370

(8.382 – 9.398)

.060

(1.524)

TYP

.390 – .415

(9.906 – 10.541)

15° TYP

.420

.350

.585

.090

.035

.050

.325

.205

.080

.585

RECOMMENDED SOLDER PAD LAYOUT

FOR THICKER SOLDER PASTE APPLICATIONS

RECOMMENDED SOLDER PAD LAYOUT

.090

.035

.050

.420

.276

.320

NOTE:

1. DIMENSIONS IN INCH/(MILLIMETER)

2. DRAWING NOT TO SCALE

.300

(7.620)

.075

(1.905)

.183

(4.648)

.060

(1.524)

.060

(1.524)

.256

(6.502)

BOTTOM VIEW OF DD PAK

HATCHED AREA IS SOLDER PLATED

COPPER HEAT SINK

R Package

7-Lead Plastic DD Pak

(Reference LTC DWG # 05-08-1462 Rev F)

DETAIL A

DETAIL A

0° – 7° TYP

0° – 7° TYP