LT1681I データシートの表示（PDF） - Linear Technology

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LT1681I

Dual Transistor Synchronous Forward Controller

Linear Technology 

PACKAGE DESCRIPTION

SW Package

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

(Reference LTC DWG # 05-08-1620)

0.496 – 0.512*

(12.598 – 13.005)

20 19 18 17 16 15 14 13 12 11

LT1681

NOTE 1

0.394 – 0.419

(10.007 – 10.643)

0.291 – 0.299**

(7.391 – 7.595)

0.010

(0.254

–

–

0.029

0.737)

×

45°

1 2 3 4 5 6 7 8 9 10

0.093 – 0.104

(2.362 – 2.642)

0.037 – 0.045

(0.940 – 1.143)

0° – 8° TYP

0.050

0.009 – 0.013

(0.229 – 0.330)

NOTE:

NOTE 1

0.016 – 0.050

(0.406 – 1.270)

(1.270)

BSC

0.014 – 0.019

(0.356 – 0.482)

TYP

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

0.004 – 0.012

(0.102 – 0.305)

S20 (WIDE) 1098

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 represen-

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

1681f

19

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