STEVAL-ISA009V1
VIPer53-E single output reference design board
with 90 to 264 V
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
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.
input and 24 W output
AC
STEVAL-ISA009V1
Data Brief
December 2007 Rev 1 1/4
For further information contact your local STMicroelectronics sales office.
www.st.com
4
Board schematic STEVAL-ISA009V1
1 Board schematic
Figure 1. Schematic
123
4
J2
CON4
5V GND
25V
C7
100uF
L2
10uH
C5
680uF
25V
D2
1N5821
5
6
.
.
T1
CVP32-002
.
1
R22k0.5W
C3
100pF
1kV
D3
2
12V @ 0.42A
.
R9
C9
BYW100-200
.8.
.3.
C2
12V Rtn
1%
R8
0.5W
15k
220uF
25V
7
C8
4.7nF
Y1 ca p
W1
0
4
0
R7
9.1k
D1
4
1N4148
Vd d
Drain8Drain6Drain7Drain5Source1Source
0
400V
22uF
2.49k
C11
0.01uF
R6
470
U2
H11A817A
R4
68
12
43
3
Fb
U1
VIP er2 2 A
2
C4
22uF
25V
50V
1%
R5
2.43k
U3
TL43 1
ST
C6
50V
22nF
0
L1
30mH
C12
10uF
400V
BR1
KBP2 10 GDI
2 1
4 3
F1
FUSE
0.5A 5X20mm
250V
C1
0.047uF
1W
R1
5 ohms
L
1
2
J1
N
CON2
85 to 264V ac
2/4
2 X 30mH
All resistors are 1/4 W 5% unless specified.
All capacitors are in uF and 50 V un less
specified.
STEVAL-ISA009V1 Revision history
2 Revision history
Table 1. Document revision history
Date Revision Changes
28-Nov-2007 1 Initial release
3/4
STEVAL-ISA009V1
y
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