LT1764(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1764 Datasheet PDF : 16 Pages
| |||
LT1764 Series
TYPICAL APPLICATIO S
SCR Preregulator Provides Efficiency Over Line Variations
L2
90V AC
TO 140V AC
NTE5437
L1
500µH
LT1764-3.3
10V AC
AT 115VIN
10V AC
AT 115VIN
1N4148
1k
+
10000µF
IN
OUT
SHDN FB
+
GND
34k*
12.1k*
NTE5437
1N4002 1N4002
“SYNC”
V+
TO
ALL “V+”
POINTS
1N4002 2.4k
+
22µF
750Ω
+
C1A
1/2 LT1018
–
1N4148 200k
0.1µF
L1: COILTRONICS CTX500-2-52
L2: STANCOR P-8560
*1% FILM RESISTOR
V+
0.033µF
750Ω
C1B
1/2 LT1018
1N4148
10k
V+
V+
A1
LT1006
1µF
VOUT
3.3V
3A
22µF
10k 10k
V+
LT1004
1.2V
1764 TA03
Adjustable Current Source
14
VIN > 2.7V
+
C1
10µF
R1
LT1004-1.2 1k
R2
40.2k
R5
0.01Ω
R4
R6
2.2k 2.2k
IN
OUT
LT1764-1.8
SHDN
FB
GND
R3
2k
C3
1µF
ADJUST R1 FOR 0A TO 3A
CONSTANT CURRENT
C2
3.3µF
2–
8
1
1/2 LT1366
3+
4
1764 TA04
LOAD
R8
100k
R7
470Ω
1764fa
Share Link: 