LTC1538-AUX Linear Technology, LTC1538-AUX Datasheet - Page 31

• Manufacturer Part Number: LTC1538-AUX
• Description: Dual High Efficiency/ Low Noise/ Synchronous Step-Down Switching Regulators
• Manufacturer: Linear Technology

PACKAGE
(0.231 – 0.305)
0.009 – 0.012
*
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DESCRIPTION
**
0.005 – 0.009
(0.13 – 0.22)
*
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
(0.254 – 0.406)
0.010 – 0.016
(7.417 – 7.595)
0.292 – 0.299**
0.205 – 0.212**
(5.20 – 5.38)
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.
(0.610 – 1.016)
0.024 – 0.040
0.022 – 0.037
(0.55 – 0.95)
45
U
Dimensions in inches (millimeters) unless otherwise noted.
36-Lead Plastic SSOP (Wide 0.300)
0 – 8 TYP
28-Lead Plastic SSOP (0.209)
0 – 8
(LTC DWG # 05-08-1640)
(LTC DWG # 05-08-1642)
**
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
GW Package
G Package
(2.463 – 2.641)
0.097 – 0.104
(0.800)
0.0256
(0.65)
0.031
TYP
BSC
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
28
1 2 3 4 5 6 7 8 9 10 11 12
0.010 – 0.015
(0.25 – 0.38)
27
26
25
24
(10.07 – 10.33)
0.397 – 0.407*
23
(15.290 – 15.544)
0.602 – 0.612*
22 21 20 19 18 17 16 15
LTC1538-AUX/LTC1539
(0.304 – 0.431)
0.012 – 0.017
13
14
0.002 – 0.008
(0.05 – 0.21)
0.068 – 0.078
(1.73 – 1.99)
(0.127 – 0.305)
0.301 – 0.311
0.005 – 0.012
(7.65 – 7.90)
(2.286 – 2.387)
0.090 – 0.094
G28 SSOP 0694
(10.160 – 10.414)
0.400 – 0.410
GW36 SSOP 0795
31