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PFS7628C Datenblatt(PDF) 16 Page - Power Integrations, Inc.

Teilenummer PFS7628C
Bauteilbeschribung  PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range
PDF  38 Pages
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Hersteller  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

PFS7628C Datenblatt(HTML) 16 Page - Power Integrations, Inc.

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Rev. F 08/20
16
PFS7x23-7x29/7633-7636
www.power.com
Figure 14b. Recommended Feedback Circuit with Integrated Diode.
PI-7258a-061615
S
C
PGT
FB
VCC
PG
B+
R2
R4
R5
C3
CREF
C2
R1
R3
C1
K
D
REF
G
V
CONTROL
HiperPFS-4
PI-8032-071816
S
D
C
PGT
FB
VCC
PG
REF
G
V
CONTROL
HiperPFS-4
B+
R2
R4
R5
C3
CREF
C2
R1
R3
C1
Figure 14a. Recommended Feedback Circuit.
Please refer to DER-547 as a design example with 440 V output
voltage and 100-300 VAC input voltage. When addressing higher
input voltage designs such as 277 VAC, the output voltage of the PFC
needs to be increased to optimize the performance. If the FEEDBACK
pin resistor divider ratio is changed for higher output voltages, ensure
FEEDBACK and VOLTAGE pin resistor divider ratios are matched. Also
be aware that the brown-in/out will also increase as a result of
VOLTAGE pin resistor divider ratio change. Refer to DER-547 report
for more details.
Voltage de-rating requirements for the power MOSFET, boost diode,
and all design choices should be validated with bench tests.
The recommended circuits are shown in Figures 14a and 14b.



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