
8
LTC1177-5/LTC1177-12
PACKAGE DESCRIPTIO
N
U
Dimensions in inches (millimeters) unless otherwise noted.
RELATED PARTS
PART NUMBER
LTC1145/LTC1146
LT
1158
LTC1255
DESCRIPTION
Low Power Digital Isolator
Half-Bridge N-Channel Power MOSFET Driver
Dual 24V High Side MOSFET Driver
COMMENTS
Passes Digital Information Across Isolation Barrier
Useful for Motor Speed Control, Synchronous Switching Regulator
User Set Current Limiting
N Package
18-Lead PDIP Isolation Barrier (Narrow 0.300)
(LTC DWG # 05-08-1590)
LINEAR TECHNOLOGY CORPORATION 1995
LT/GP 1195 10K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX
: (408) 434-0507
G
TELEX
: 499-3977
SW Package
28-Lead Plastic Small Outline Isolation Barrier (Wide 0.300)
(LTC DWG # 05-08-1690)
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)
0.005
(0.127)
RAD MIN
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)
NOTE 1
0.697 – 0.712*
(17.70 – 18.08)
1
2
3
4
0.394 – 0.419
(10.007 – 10.643)
25
26
11
12
18
17
16
15
14
13
27
28
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
*
**
0.015
(0.381)
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)
0.005
(0.127)
MIN
0.100
±
0.010
(2.540
±
0.254)
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325–0.015
+0.635
–0.381
8.255
(
)
0.255
±
0.015*
(6.477
±
0.381)
0.900*
(22.860)
MAX
18
1
7
8
9
10
11
12
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)