LT1074 Linear Technology, LT1074 Datasheet - Page 15

• Manufacturer Part Number: LT1074
• Description: Step-Down Switching Regulator
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
(1.524)
0.060
HATCHED AREA IS SOLDER PLATED
(9.906 – 10.541)
(11.684 – 12.700)
0.390 – 0.415
0.460 – 0.500
BOTTOM VIEW OF DD PAK
BSC
COPPER HEAT SINK
(1.70)
0.067
(6.502)
(7.620)
0.256
0.300
(1.905)
(1.524)
0.075
0.060
(4.648)
0.183
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.
(0.711 – 0.965)
0.028 – 0.038
(8.382 – 9.398)
(5.842 – 6.858)
0.230 – 0.270
0.330 – 0.370
U
(3.734 – 3.937)
0.147 – 0.155
(1.524)
0.060
(14.478 – 15.748)
TYP
3.632
0.143
(8.382 – 9.398)
DIA
0.330 – 0.370
0.570 – 0.620
Dimensions in inches (millimeters) unless otherwise noted.
+0.305
–0.508
+0.012
–0.020
5-Lead Plastic TO-220 (Standard)
(LTC DWG # 05-08-1421)
(LTC DWG # 05-08-1462)
7-Lead Plastic DD Pak
0.260 – 0.320
(6.60 – 8.13)
R Package
T Package
(0.660 – 0.914)
0.026 – 0.036
SEATING PLANE
(3.861 – 5.131)
0.152 – 0.202
(9.906 – 10.541)
0.390 – 0.415
(17.78 – 18.491)
(1.27)
0.050
0.700 – 0.728
(3.429 – 4.191)
BSC
0.135 – 0.165
15 TYP
(4.191 – 4.572)
0.165 – 0.180
(15.75)
0.620
TYP
(4.191 – 4.572)
0.165 – 0.180
(0.330 – 0.584)
0.013 – 0.023
(1.499)
0.059
LT1074/LT1076
TYP
* MEASURED AT THE SEATING PLANE
(2.413 – 2.921)
(3.937 – 4.953)
0.155 – 0.195*
(0.330 – 0.584)
0.095 – 0.115
0.013 – 0.023
(1.143 – 1.397)
0.045 – 0.055
(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
T5 (TO-220) 0399
+0.203
–0.102
+0.008
–0.004
R (DD7) 1098
15