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Part Name
Description
LT1963ET View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1963ET
1.5A, Low Noise, Fast Transient Response LDO Regulators
Linear Technology
LT1963ET Datasheet PDF : 20 Pages
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LT1963 Series
TYPICAL APPLICATIO S
SCR Pre-Regulator Provides Efficiency Over Line Variations
L2
90-140
VAC
10VAC AT
115V
IN
10VAC AT
115V
IN
1N4148
1k
L1
500
µ
H
+
10000
µ
F
LT1963-3.3
IN
OUT
SHDN FB
GND
34k*
3.3V
OUT
+
1.5A
22
µ
F
1N4002
“SYNC”
1N4002
TO ALL “+V”
POINTS
+
22
µ
F
1N4002
2.4k
750
Ω
12.1k*
+V
+
C1A
1/2
LT1018
–
+V
200k
1N4148
0.1
µ
F
0.033
µ
F
750
Ω
C1B
1/2
LT1018
1N4148
+V
A1
LT1006
10k
1
µ
F
+V
10k
10k
+V
L1 = COILTRONICS CTX500-2-52
L2 = STANCOR P-8559
* = 1% FILM RESISTOR
= NTE5437
LT1004
1.2V
1963 TA03
Paralleling of Regulators for Higher Output Current
V
IN
> 3.7V
+
C1
100
µ
F
R1
0.01
Ω
R2
0.01
Ω
SHDN
LT1963-3.3
IN
OUT
SHDN FB
GND
LT1963
IN
OUT
SHDN FB
GND
3.3V
+
3A
C2
22
µ
F
R6
6.65k
R7
4.12k
R3
R4
R5
2.2k 2.2k
1k
3
+
8
1/2
1
2
LT1366
–
4
C3
0.01
µ
F
1963 TA05
1963fc
15
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