STEVAL-ISA019V3 Brief Datasheet by STMicroelectronics

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Data brief
For further information contact your local STMicroelectronics sales office.
April 2011 Doc ID 018778 Rev 1 1/4
4
STEVAL-ISA019V3
80 W ESBT quasi-resonant wide-range SMPS demonstration
board based on the L6565 for 3-phase applications
Features
3-phase 80 W auxiliary output SMPS
Quasi-resonant SMPS
Input: 180 VAC to 600 VAC
Output voltage: 24 V, 3.3 A
Maximum output power: 80 W
Efficiency > 80 %
Switching frequency > 50 kHz
Safety compliant according to EN60950
Feedback: secondary regulation
RoHS compliant
Description
The STEVAL-ISA019V3 demonstration board is a
3-phase auxiliary power supply with an 80 W dual
output SMPS, using the L6565 PWM driver and
the STC04IE170HP ESBT as the main switch.
The combination of these ST parts provides a
high-efficiency solution for high DC input voltage,
a typical requirement of any 3-phase application.
The necessity to handle both high output power
and wide input voltage is resolved using a flyback
stage working in mixed operation mode:
discontinuous and continuous.
STEVAL-ISA019V3
www.st.com
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Circuit schematic STEVAL-ISA019V3
2/4 Doc ID 018778 Rev 1
1 Circuit schematic
Figure 1. Demonstration board schematic
R11
11
b0R
0R
D2
1N4007
07
D3
1N4007
07
D4
1N4007
07
R16
16
1R5 0.6W
6W
+
C3
1000u
000u
35V
35V
+
C4
10
10
00u
0u
35V
5V
R24
1k5
R7
39k 2W
R3
200k
0k
R20
20
47k
7k
R4
180k
0k
R12
10R
10R
R15 1k
1k
R22
22
2.7k
7k
R14
56k
56k
R11 1R
1R
R19
19
47k
47k
R6
39k 2W
R2
200k
0k
C9
470p
0p
C7
6.8n 2kV
C1310n
0n
C11
11
2n2
2n2
C8
150n
0n
+
C1
220u 450V
50V
+
C5
47u
47u
50V
50V
R1
180k
0k
R23
3k3
+
C2
220u 450V
0V
D7
STTH108
08
D8
STT
TT
H108
108
7
5
6
3
2
11
11
12
12
8
10
10
9
T1
DELTA 86
86
H-6017C
017C
D9
3V
D10
10
STT
TT
H108
4
1
3
2
Q1
STC04IE17
17
0HP
1
2
J3
24
24
VDC
COMP 2
INV
1
VCC
8
CS
4
VFF
3
GND
6
OUT
7
ZCD
5
U1
L6565N
565N
D5
STPS
PS
20120D
0120D
1
2
4
3
ISO1
PC817
17
2
1
3
U2
TL431
L431
D6
STPS
PS
1150
R17
17
1R5 0.6W
1
4
2
3
T2
VOGT SL0512
0512
2021
021
01
Ns
12
turn
urn
s
2
turn
turn
s
Na
Na
ux
Np
VCC
VCC
R5
2R2
C10
10p
10p
1
2
J1
160
60
-550
50
VA
VA
C
C6
10
10
0n
R21 15k
15k
R8
1M1
D11
11
1N4148
4148
R13
13
2k2
R9
1M1
C12
12
1n
1n
R10
10
1M1
R18
18
10k
R26
26
1k2
NTC1
10R
D1
1N4007
07
F2
T1A
1A
AM07972V1
AM07972V1
STEVAL-ISA019V3 Revision history
Doc ID 018778 Rev 1 3/4
2 Revision history
Table 1. Document revision history
Date Revision Changes
28-Apr-2011 1 Initial release.
STEVAL-ISA019V3
4/4 Doc ID 018778 Rev 1
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