LT1963EQ View Datasheet(PDF) - Linear Integrated System
Part Name
Description
Manufacturer
LT1963EQ Datasheet PDF : 16 Pages
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LT1963 Series
TYPICAL APPLICATIO S
L2
90-140
VAC
SCR Pre-Regulator Provides Efficiency Over Line Variations
10VAC AT
115VIN
1N4148
1k
L1
500µH
+
10000µF
LT1963-3.3
IN
OUT
+
SHDN FB
GND
34k*
10VAC AT
115VIN
3.3VOUT
1.5A
22µF
1N4002
“SYNC”
1N4002
TO ALL “+V”
POINTS +
22µF
1N4002
2.4k
750Ω
12.1k*
+V
+
C1A
1/2
LT1018
–
+V
200k
1N4148
0.1µF
0.033µF
750Ω
C1B
1/2
LT1018
1N4148
+V
A1
LT1006
10k
1µF
+V
10k
10k
+V
L1 = COILTRONICS CTX500-2-52
L2 = STANCOR P-8559
* = 1% FILM RESISTOR
= NTE5437
LT1004
1.2V
1963 TA03
PACKAGE DESCRIPTIO
0.256
(6.502)
0.060
(1.524)
0.060
(1.524)
0.183
(4.648)
0.060
(1.524)
TYP
Q Package
5-Lead Plastic DD Pak
(LTC DWG # 05-08-1461)
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
1963fa
14
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