Datasheet

4
LT1268B/LT1268
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone]
●
FAX : [phone]
●
TELEX : 499-3977
 LINEAR TECHNOLOGY CORPORATION 1994
1268fs, sn1268 LT/GP 0194 10K REV 0 • PRINTED IN THE USA
U
A
O
PP
L
IC
AT
ITY
P
I
CA
L
Boost Converter (5V TO 12V)
Q Package
5-Lead DD
T Package
5-Lead TO-220
V
IN
20µH
5V
V
SW
LT1268CT
LT1268 • TA03
FB
1k 1.24k
10.7k
12V, 1.5A
MBR1020
1µF
1000µF
25V
V
C
GND
+
+
PACKAGE DESCRIPTIO
U
Dimensions in inches (millimeters) unless otherwise noted.
0.022 ± 0.005
(0.559 ± 0.127)
0.105 ± 0.008
(2.667 ± 0.203)
0.004
+0.008
–0.004
()
0.102
+0.203
–0.102
0.050 ± 0.012
(1.270 ± 0.305)
0.059
(1.499)
TYP
0.050 ± 0.008
(1.270 ± 0.203)
0.175 ± 0.008
(4.445 ± 0.203)
0.060
(1.524)
0.401 ± 0.015
(10.185 ± 0.381)
15° TYP
0.032 ± 0.008
(0.813 ± 0.203)
0.331
+0.012
–0.020
()
8.407
+0.305
–0.508
0.143
+0.012
–0.020
()
3.632
+0.305
–0.508
0.067 ± 0.010
(1.702 ± 0.254)
0.028 – 0.035
(0.711 – 0.889)
0.057 – 0.077
(1.448 – 1.956)
0.139 – 0.153
(3.531 – 3.886)
DIA
0.079 – 0.135
(2.007 – 3.429)
0.380 – 0.420
(9.652 – 10.668)
0.560 – 0.650
(14.224 – 16.510)
0.866 – 0.913
(21.996 – 23.190)
0.970 – 1.050
(24.64 – 26.67)
0.304 – 0.380
(7.722 – 9.652)
0.700 – 0.728
(17.780 – 18.491)
0.035 – 0.055
(0.889 – 1.397)
0.169 – 0.185
(4.293 – 4.699)
0.079 – 0.115
(2.007 – 2.921)
0.149 – 0.230
(3.785 – 5.842)
0.620 ± 0.020
(15.75 ± 0.508)
0.460 – 0.500
(11.68 – 12.70)
0.210 – 0.240
(5.334 – 6.096)
0.055 – 0.090
(1.397 – 2.286)
0.015 – 0.025
(0.381 – 0.635)