16

LT1508

© LINEAR TECHNOLOGY CORPORATION 1995

1508f LT/TP 0697 7K • PRINTED IN USA

Dimensions in inches (millimeters) unless otherwise noted.

SW Package

20-Lead Plastic Small Outline (Wide 0.300)

(LTC DWG # 05-08-1620)

S20 (WIDE) 0396

NOTE 1

0.496 – 0.512*

(12.598 – 13.005)

20

19

18

17

16

15

14

13

1

23

4

5

6

78

0.394 – 0.419

(10.007 – 10.643)

910

11

12

0.037 – 0.045

(0.940 – 1.143)

0.004 – 0.012

(0.102 – 0.305)

0.093 – 0.104

(2.362 – 2.642)

0.050

(1.270)

TYP

0.014 – 0.019

(0.356 – 0.482)

TYP

0

° – 8° TYP

NOTE 1

0.009 – 0.013

(0.229 – 0.330)

0.016 – 0.050

(0.406 – 1.270)

0.291 – 0.299**

(7.391 – 7.595)

× 45°

0.010 – 0.029

(0.254 – 0.737)

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

*

**

PART NUMBER

DESCRIPTION

COMMENTS

LT1084

5A Low Dropout Linear Regulator

Good for Post Regulation of Switching Power Supplies

LT1105

Simplified Off-Line Controller

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

LT1241-5

High Frequency Current Mode PWM Controller

Operates at Oscillator Frequencies up to 500kHz

LT1247

High Frequency Current Mode PWM Controller

Operates at Oscillator Frequencies up to 1MHz

LT1248

Full-Feature Average Current Mode Power Factor Controller

Provides All Features in 16-Lead Package

LT1249

Minimal Parts Count Power Factor Controller

Simplified PFC Design

LT1509

Power Factor and PWM Controller

Current Mode PWM

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