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AN1657 Datasheet(PDF) 8 Page - STMicroelectronics

Part # AN1657
Description  SMPS FOR CRT MONITORS WITH THE L6565
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN1657 Datasheet(HTML) 8 Page - STMicroelectronics

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AN1657 APPLICATION NOTE
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Figure 6. L6565-based, EnergyStar® design: OFF-mode, Vin = 100 VDC (left), Vin = 380 VDC (right)
Figure 7. L6565-based, "1W Initiative" compliant design: OFF-mode main waveforms
Figure 8. L6565-based, "1W Initiative" compliant design: entering (left) and exiting (right) OFF-mode
Q1 Drain
L6565 Vcc
Q1 Drain
L6565 Vcc
Q1 Drain
L6565 Vcc
V (C13)
Pin2 L6565
lowest valley
L6565 Off
HV gen. On
Phototr. On
L6565 Off
HV gen. On
Phototr. Off
Q1 Drain
L6565 Vcc
V (C13)
Pin2 L6565
Vcc of L6565
V (C13)
Pin2 of
L6565
Soft-start
Q1 Drain
Vcc of L6565
Pin4 of
L6565
Collector
of Q4



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