Datasheet

13
LT1072
1072fc
J8 0801
.014 – .026
(0.360 – 0.660)
.200
(5.080)
MAX
.015 – .060
(0.381 – 1.524)
.125
3.175
MIN
.100
(2.54)
BSC
.300 BSC
(7.62 BSC)
.008 – .018
(0.203 – 0.457)
0° – 15°
.005
(0.127)
MIN
.405
(10.287)
MAX
.220 – .310
(5.588 – 7.874)
12
3
4
87
65
.025
(0.635)
RAD TYP
.045 – .068
(1.143 – 1.650)
FULL LEAD
OPTION
.023 – .045
(0.584 – 1.143)
HALF LEAD
OPTION
CORNER LEADS OPTION
(4 PLCS)
.045 – .065
(1.143 – 1.651)
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE
OR TIN PLATE LEADS
Negative Boost Regulator
J8 Package
8-Lead CERDIP (Narrow .300 Inch, Hermetic)
(Reference LTC DWG # 05-08-1110)
LT1072 • TA13
*REQUIRED IF INPUT LEADS ≥ 2"
C2
0.22µF
R3
3.3k
C4
470µF*
V
IN
–15V
C3
10µF
C1
1000µF
R1
27k
R2
1.24k
R
0
(MINIMUM
LOAD)
D2
D1
V
OUT
–28V AT 0.25A
L1
200µH
V
IN
V
SW
FB
V
C
GND
LT1072
+
+
+
OBSOLETE PACKAGE
TYPICAL APPLICATIO S
U
U
PACKAGE DESCRIPTIO