LT1371 Linear Technology, LT1371 Datasheet - Page 15

• Manufacturer Part Number: LT1371
• Description: 500kHz High Efficiency 3A Switching Regulator
• Manufacturer: Linear Technology

PACKAGE
(1.524)
0.060
HATCHED AREA IS SOLDER PLATED
BOTTOM VIEW OF DD PAK
COPPER HEAK SINK
(0.229 – 0.330)
NOTE:
1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS.
0.009 – 0.013
**
*
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
(6.502)
(7.620)
0.256
0.300
DESCRIPTION
(1.905)
(1.524)
(0.254 – 0.737)
0.060
0.075
0.010 – 0.029
NOTE 1
(4.648)
(7.391 – 7.595)
0.183
0.291 – 0.299**
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.
(0.406 – 1.270)
0.016 – 0.050
45
U
(1.524)
20-Lead Plastic Small Outline (Wide 0.300)
0.060
TYP
3.632
0.143
(8.382 – 9.398)
0.330 – 0.370
Dimensions in inches (millimeters) unless otherwise noted.
+0.305
–0.508
+0.012
–0.020
0 – 8 TYP
(LTC DWG # 05-08-1462)
7-Lead Plastic DD Pak
(LTC DWG # 05-08-1620)
NOTE 1
(2.362 – 2.642)
SW Package
0.093 – 0.104
R Package
(1.270)
0.050
TYP
(0.660 – 0.914)
0.026 – 0.036
20
1
(0.356 – 0.482)
0.014 – 0.019
19
2
TYP
18
(9.906 – 10.541)
(1.016 – 1.524)
3
0.040 – 0.060
0.390 – 0.415
17
(12.598 – 13.005)
4
15 TYP
0.496 – 0.512*
16
5
15
6
14
7
(4.191 – 4.572)
0.165 – 0.180
13
8
(0.330 – 0.584)
0.013 – 0.023
(1.499)
12
0.059
9
TYP
11
10
(0.940 – 1.143)
0.037 – 0.045
(0.102 – 0.305)
0.004 – 0.012
(10.007 – 10.643)
0.394 – 0.419
S20 (WIDE) 0695
(1.143 – 1.397)
0.045 – 0.055
0.102
0.004
(2.413 – 2.921)
0.095 – 0.115
(1.270 0.305)
0.050 0.012
+0.203
–0.102
+0.008
–0.004
R (DD7) 0695
LT1371
15