1640AL View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
1640AL Datasheet PDF : 16 Pages
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LT1640AL/LT1640AH
APPLICATIO S I FOR ATIO
(SHORT PIN)
GND
GND
R4
562k
1%
R5
9.09k
1%
R6
10k
1%
3
UV
2
OV
VEE
4
SENSE
5
*
R1
– 48V
3
0.02Ω
5%
4
1
2
* DIODES INC. SMAT70A
8
VDD
LT1640AL
1
PWRGD
GATE
6
DRAIN
7
C1
150nF
25V
R2 R3
10Ω 18k C2
5% 5% 3.3nF
100V
Q1
IRF530
R7
51k
5%
4N25
Figure 13. Using PWRGD to Drive an Optoisolator
PWRGD
+ C3
100µF
100V
1640A F13
PACKAGE DESCRIPTIO
Dimensions in inches (millimeters) unless otherwise noted.
N8 Package
8-Lead PDIP (Narrow 0.300)
(LTC DWG # 05-08-1510)
0.400*
(10.160)
MAX
8
7
6
5
0.255 ± 0.015*
(6.477 ± 0.381)
0.300 – 0.325
(7.620 – 8.255)
12
0.045 – 0.065
(1.143 – 1.651)
34
0.130 ± 0.005
(3.302 ± 0.127)
14
0.009 – 0.015
(0.229 – 0.381)
0.065
(1.651)
TYP
+0.035
0.325 –0.015
( ) 8.255
+0.889
–0.381
0.100
(2.54)
BSC
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
0.125
(3.175)
MIN
0.018 ± 0.003
(0.457 ± 0.076)
0.020
(0.508)
MIN
N8 1098
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