23

LTC1273

LTC1275/LTC1276

127356fa

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 representation that

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

PACKAGE DESCRIPTIO

N Package

24-Lead PDIP (Narrow .300 Inch)

(Reference LTC DWG # 05-08-1510)

SW Package

24-Lead Plastic Small Outline (Wide .300 Inch)

(Reference LTC DWG # 05-08-1620)

N24 0405

.255

± .015*

(6.477

± 0.381)

1.280*

(32.512)

MAX

12

3

4

5

6

7

89

10

19

11

12

13

14

16

15

17

18

20

21

22

23

24

.020

(0.508)

MIN

.120

(3.048)

MIN

.130

± .005

(3.302

± 0.127)

.065

(1.651)

TYP

.045 – .065

(1.143 – 1.651)

.018

± .003

(0.457

± 0.076)

.008 – .015

(0.203 – 0.381)

.300 – .325

(7.620 – 8.255)

.325

+.035

–.015

+0.889

–0.381

8.255

()

NOTE:

1. DIMENSIONS ARE

INCHES

MILLIMETERS

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCH (0.254mm)

.100

(2.54)

BSC

S24 (WIDE) 0502

NOTE 3

.598 – .614

(15.190 – 15.600)

NOTE 4

22

21

20

19

18

17

16

15

1

23

4

5

6

78

.394 – .419

(10.007 – 10.643)

910

13

14

11

12

N/2

23

24

N

.037 – .045

(0.940 – 1.143)

.004 – .012

(0.102 – 0.305)

.093 – .104

(2.362 – 2.642)

.050

(1.270)

BSC

.014 – .019

(0.356 – 0.482)

TYP

0

° – 8° TYP

NOTE 3

.009 – .013

(0.229 – 0.330)

.016 – .050

(0.406 – 1.270)

.291 – .299

(7.391 – 7.595)

NOTE 4

× 45°

.010 – .029

(0.254 – 0.737)

.420

MIN

.325

±.005

RECOMMENDED SOLDER PAD LAYOUT

.045

±.005

N

12

3

N/2

.050 BSC

.030

±.005

TYP

.005

(0.127)

RAD MIN

INCHES

(MILLIMETERS)

NOTE:

1. DIMENSIONS IN

2. DRAWING NOT TO SCALE

3. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.

THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS

4. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)