LT1074_15 Datasheet, PDF (15/16 Pages) Linear Technology – Step-Down Switching Regulator

PACKAGE DESCRIPTIO
LT1074/LT1076
0.256
(6.502)
0.060
(1.524)
0.060
(1.524)
0.183
(4.648)
0.075
(1.905)
0.300
(7.620)
BOTTOM VIEW OF DD PAK
HATCHED AREA IS SOLDER PLATED
COPPER HEAT SINK
R Package
7-Lead Plastic DD Pak
(Reference LTC DWG # 05-08-1462)
0.060
(1.524)
TYP
0.390 – 0.415
(9.906 – 10.541)
15° TYP
0.165 – 0.180
(4.191 – 4.572)
0.330 – 0.370
(8.382 – 9.398)
0.059
(1.499)
TYP
0.143
+
–
0.012
0.020
( ) ^3.632
+
–
0.305
0.508
0.050
(1.27)
0.026 – 0.036 ^BSC
(0.660 – 0.914)
0.013 – 0.023
(0.330 – 0.584)
0.045 – 0.055
(1.143 – 1.397)
0.004
+0.008
–0.004
( ) ^0.102
+0.203
–0.102
0.095 – 0.115
(2.413 – 2.921)
0.050 ± 0.012
(1.270 ± 0.305)
R (DD7) 1098
0.390 – 0.415
(9.906 – 10.541)
0.460 – 0.500
(11.684 – 12.700)
BSC ^0.067
(1.70)
T Package
5-Lead Plastic TO-220 (Standard)
(Reference LTC DWG # 05-08-1421)
0.147 – 0.155
(3.734 – 3.937)
DIA
0.165 – 0.180
(4.191 – 4.572)
0.230 – 0.270
(5.842 – 6.858)
0.570 – 0.620
(14.478 – 15.748)
0.330 – 0.370
(8.382 – 9.398)
0.620
(15.75)
TYP
0.700 – 0.728
(17.78 – 18.491)
0.045 – 0.055
(1.143 – 1.397)
SEATING PLANE
0.152 – 0.202
0.260 – 0.320 (3.861 – 5.131)
(6.60 – 8.13)
0.095 – 0.115
(2.413 – 2.921)
0.155 – 0.195*
(3.937 – 4.953)
0.028 – 0.038
(0.711 – 0.965)
0.135 – 0.165
(3.429 – 4.191)
0.013 – 0.023
(0.330 – 0.584)
* MEASURED AT THE SEATING PLANE
T5 (TO-220) 0399
sn1074 1074fds
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.
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