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AN2454 Datasheet(PDF) 5 Page - STMicroelectronics

Part # AN2454
Description  Universal input voltage power supply for ESBT based breaker and metering applications
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2454 Datasheet(HTML) 5 Page - STMicroelectronics

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AN2454
Design specifications and schematic diagram
5/24
Figure 1.
Schematic diagram of the SMPS
R6
10k
R1
1M 1/8W
R4
1M 1/8W
R2
10k 1/4W
R13
680k
R20
100k
R7
1M 1/8W
R18 2.2k
R19
1k
R15
3.3k
R23
6.8
R3 1
R12
1M 1/8W
+
C6
33uF 450V
R17
22
R21
3.9K
R14
18k
R16
150k
R9
1M 1/8W
R11
1M 1/8W
C7
10nF
C9
820pF
C10
12nF
+
C1
220uF 35V
+
C4
47uF 25V
+
C3
330uF 25V
+
C2
33uF450V
T1
4
5
7
8
2
1
C8
100p
Q2
PN2222A
2
D3
1N4148
D2
STTH110
D1
STTH110
J2
CON2
1
2
Q3
STP03D200
1
U1
UC3845B
VFB
2
COMP
1
VREF
8
RT/CT
4
SENSE
3
OUT
6
C11
100nF
+
C5
33uF 450V
R22
10k
D5
20V
Q4
STC04IE170HP
4
2
J1
CON3
1
2
3
D4 STTH110
R26
10
R5
10k 1/4W
R8
10k 1/4W
R10
10k 1/4W
R24
10k 1/4W
R25
10k 1/4W



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