STMICROELECTRONICS STEVAL

STEVAL-ISA009V1
VIPer53-E single output reference design board
with 90 to 264 VAC input and 24 W output
Data Brief
Features
■
Switch-mode general-purpose power supply
■
Current mode control with adjustable limitation
■
75% efficiency
■
Output short-circuit and overload protection
■
Thermal shutdown protection
■
Meets EN55022 class B EMI specification
■
Blue Angel compliant
STEVAL-ISA009V1
Description
This reference design board is an offline widerange power supply that incorporates the
VIPer53-E, and is set up for secondary regulation
by driving the PWM controller through an
optocoupler. The switching frequency is set at 100
kHz and the total output power is 24 W.
December 2007
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
4
C1
0.04 7uF
4
1
2
3
BR1
KBP2 10GDI
All resistors are 1/4 W 5% unless specified.
All capacitors are in uF and 50 V unless
specified.
N
CON 2
85 to 264Vac
J1
1
2
L
R1
5 oh m s
1W
FUSE
0 .5A 5 X20 m m
250V
F1
2 X 30 mH
C1 2
10 uF
400V
C2
22u F
400V
C4
2 2u F
2 5V
0
1
2
8
7
6
5
C3
10 0pF
1kV
U1
VIPer22 A
Sou rce
Sou rceFb
D rain
D rainVd d
D rain
D rain
3
4
0
D1
1N4148
R2
2k
0.5 W
9.1 k
R7
0
4
2
3
1
.
.
.
.
0
W1
.
.
.
.
7
8
6
5
C6
2 2nF
50V
Y1 cap
C8
4.7 nF
T1
CVP32 -0 02
U3
TL431
ST
U2
H11A817A
R4
68
10 uH
L2
R5
2.4 3k
1%
C11
0.01uF
50V
R6
47 0
C9
2 20u F
2 5V
C5
680 uF
25V
BYW1 00-20 0
D3
D2
1N58 21
4
2/4
1
5V GND
R8
2.49k
1%
R9
15 k
0.5W
12V Rtn
12V @ 0.42A
C7
10 0u F
2 5V
J2
CON4
1
2
3
4
Figure 1.
3
1
2
L1
30mH
Board schematic
STEVAL-ISA009V1
Board schematic
Schematic
STEVAL-ISA009V1
2
Revision history
Revision history
Table 1.
Document revision history
Date
Revision
28-Nov-2007
1
Changes
Initial release
3/4
STEVAL-ISA009V1
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