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LT1508

PACKAGE DESCRIPTION

0.291 鈥?0.299**

(7.391 鈥?7.595)

0.010 鈥?0.029

脳

45擄

(0.254 鈥?0.737)

0.009 鈥?0.013

(0.229 鈥?0.330)

NOTE 1

0.016 鈥?0.050

(0.406 鈥?1.270)

NOTE:

1. 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

*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

RELATED PARTS

PART NUMBER

LT1084

LT1105

LT1241-5

LT1247

LT1248

LT1249

LT1509

DESCRIPTION

5A Low Dropout Linear Regulator

Simplified Off-Line Controller

High Frequency Current Mode PWM Controller

High Frequency Current Mode PWM Controller

Full-Feature Average Current Mode Power Factor Controller

Minimal Parts Count Power Factor Controller

Power Factor and PWM Controller

COMMENTS

Good for Post Regulation of Switching Power Supplies

Solution for Universal Off-Line Inputs with Output to 100W

Operates at Oscillator Frequencies up to 500kHz

Operates at Oscillator Frequencies up to 1MHz

Provides All Features in 16-Lead Package

Simplified PFC Design

Current Mode PWM

16

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

q

(408) 432-1900

FAX: (408) 434-0507

q

TELEX: 499-3977

q

www.linear-tech.com

U

Dimensions in inches (millimeters) unless otherwise noted.

SW Package

20-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)

0.496 鈥?0.512*

(12.598 鈥?13.005)

20

19

18

17

16

15

14

13

12

11

NOTE 1

0.394 鈥?0.419

(10.007 鈥?10.643)

1

0.093 鈥?0.104

(2.362 鈥?2.642)

2

3

4

5

6

7

8

9

10

0.037 鈥?0.045

(0.940 鈥?1.143)

0擄 鈥?8擄 TYP

0.050

(1.270)

TYP

0.014 鈥?0.019

(0.356 鈥?0.482)

TYP

0.004 鈥?0.012

(0.102 鈥?0.305)

S20 (WIDE) 0396

1508f LT/TP 0697 7K 鈥?PRINTED IN USA

漏

LINEAR TECHNOLOGY CORPORATION 1995

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