LT1074_15 Datasheet, PDF (14/16 Pages) Linear Technology – Step-Down Switching Regulator

LT1074/LT1076
PACKAGE DESCRIPTIO
K Package
4-Lead TO-3 Metal Can
(Reference LTC DWG # 05-08-1311)
0.320 – 0.350
(8.13 – 8.89)
0.760 – 0.775
(19.30 – 19.69)
0.060 – 0.135
(1.524 – 3.429)
0.420 – 0.480
(10.67 – 12.19)
0.038 – 0.043
(0.965 – 1.09)
1.177 – 1.197
(29.90 – 30.40)
0.470 TP
P.C.D.
0.655 – 0.675
(16.64 – 19.05)
0.151 – 0.161
(3.84 – 4.09)
DIA 2 PLC
0.167 – 0.177
(4.24 – 4.49)
R
72°
18°
0.490 – 0.510
(12.45 – 12.95)
R
K4(TO-3) 1098
OBSOLETE PACKAGE
0.256
(6.502)
0.060
(1.524)
0.060
(1.524)
0.183
(4.648)
Q Package
5-Lead Plastic DD Pak
(Reference LTC DWG # 05-08-1461)
0.060
(1.524)
TYP
0.390 – 0.415
(9.906 – 10.541)
15° TYP
0.330 – 0.370
(8.382 – 9.398)
0.165 – 0.180
(4.191 – 4.572)
0.059
(1.499)
TYP
0.075
(1.905)
0.300
(7.620)
BOTTOM VIEW OF DD PAK
HATCHED AREA IS SOLDER PLATED
COPPER HEAT SINK
0.143
+0.012
–0.020
( ) ^3.632
+0.305
–0.508
0.067
(1.70)
0.028 – 0.038 ^BSC
(0.711 – 0.965)
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)
Q(DD5) 1098
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