12

LT1248

©LINEAR TECHNOLOGY CORPORATION 1993

1248fd LT/GP 0799 2K REV D • PRINTED IN USA

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

N Package

16-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

S Package

16-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT1103

Off-Line Switching Regulator

Universal Off-Line Inputs with Outputs to 100W

LT1249

PFC in SO-8

Simplified PFC Design with Minimal Part Count

LT1508

Power Factor and PWM Controller

Voltage Mode PWM, Simplified PFC Design

LT1509

Power Factor and PWM Controller

Complete Solution for Universal Off-Line Switching Power Supplies

N16 1098

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.035

–0.015

+0.889

–0.381

8.255

()

0.255

± 0.015*

(6.477

± 0.381)

0.770*

(19.558)

MAX

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

0.020

(0.508)

MIN

0.125

(3.175)

MIN

0.130

± 0.005

(3.302

± 0.127)

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.018

± 0.003

(0.457

± 0.076)

0.100

(2.54)

BSC

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)

0.016 – 0.050

(0.406 – 1.270)

0.010 – 0.020

(0.254 – 0.508)

× 45°

0

° – 8° TYP

0.008 – 0.010

(0.203 – 0.254)

S16 1098

1

2

3

4

5

6

7

8

0.150 – 0.157**

(3.810 – 3.988)

16

15

14

13

0.386 – 0.394*

(9.804 – 10.008)

0.228 – 0.244

(5.791 – 6.197)

12

11

10

9

DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

*

**

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

TYP

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC