ST ISA019V3 User Manual
STEVAL-ISA019V3
80 W ESBT quasi-resonant wide-range SMPS demonstration board based on the L6565 for 3-phase applications
Data brief
Features |
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■ 3-phase 80 W auxiliary output SMPS |
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■ Quasi-resonant SMPS |
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■ Input: 180 VAC to 600 VAC |
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■ Output voltage: 24 V, 3.3 A |
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■ Maximum output power: 80 W |
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Efficiency > 80 % |
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■ Switching frequency > 50 kHz |
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■ Safety compliant according to EN60950 |
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Feedback: secondary regulation |
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RoHS compliant |
STEVAL-ISA019V3 |
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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.
April 2011 |
Doc ID 018778 Rev 1 |
1/4 |
For further information contact your local STMicroelectronics sales office. |
www.st.com |
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Circuit |
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T1 |
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D5 |
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J3 |
.1 Figure |
Circuit |
schematic |
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Np |
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STPS20120D |
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R6 |
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R1 |
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R5 |
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D6 |
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6 |
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C3 |
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C4 |
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24VDC |
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C1 |
180k |
39k 2W |
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450V |
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Ns |
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C7 |
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3 |
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R26 |
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1000u 35V1000u 35V |
1k2 |
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D1 |
D2 |
220u |
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R7 |
6.8n 2kV |
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VCC |
C5 |
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C6 |
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2R2 |
STPS1150 |
Naux |
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board Demonstration |
schematic |
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R2 |
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1N4007 |
1N4007 |
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39k 2W |
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47u 50V 100n |
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2 |
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200k |
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D7 |
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D8 |
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DELTA 86H-6017C |
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D3 |
D4 |
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R3 |
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200k |
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STTH108 |
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STTH108 |
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1N4007 |
1N4007 |
C2 |
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220u 450V |
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ID Doc |
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R4 |
D10 |
VOGT SL0512202101 |
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180k |
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STTH108 turns |
2 |
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turns |
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R13 |
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R14 |
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Rev 018778 |
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VCC |
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T2 |
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schematic |
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1 |
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2k2 |
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56k |
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NTC1 |
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R11b 0R |
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10R |
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Q1 |
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STC04IE170HP |
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D11 |
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R11 |
1R |
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R12 |
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1N4148 |
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1 |
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F2 |
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C8 |
D9 |
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T1A |
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R24 |
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R19 |
R20 |
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J1 |
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150n |
3V |
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10R |
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1k5 |
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47k |
47k |
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7 |
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ISO1 |
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1 |
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U1 |
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OUT |
VCC |
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ZCD |
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2 |
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4 |
1 |
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L6565N |
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C11 |
R23 |
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R8 |
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R15 1k |
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160-550VAC |
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4 |
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2 |
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3k3 |
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1M1 |
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2n2 |
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COMP |
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CS |
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3 |
2 |
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GND |
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R21 |
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15k |
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VFF |
INV |
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R9 |
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R16 |
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R17 |
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C9 |
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C10 |
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PC817 |
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1M1 |
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470p |
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1 |
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10p |
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C13 10n |
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1R5 0.6W |
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1R5 0.6W |
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1 |
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U2 |
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R10 |
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3 |
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STEVAL |
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1M1 |
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2 |
TL431 |
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R22 |
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2.7k |
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R18 |
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C12 |
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AM07972V1 |
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10k |
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1n |
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ISA019V3- |
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