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PFS7526H Scheda tecnica(PDF) 6 Page - Power Integrations, Inc.

Il numero della parte PFS7526H
Spiegazioni elettronici  PFC Controller with Integrated High-Voltage MOSFET and Qspeed Diode Optimized for High PF and Efficiency Across Load Range
PDF  36 Pages
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Produttore elettronici  POWERINT [Power Integrations, Inc.]
Homepage  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

PFS7526H Scheda tecnica(HTML) 6 Page - Power Integrations, Inc.

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Rev. A 06/15
6
PFS7523-7529/7533-7539
www.power.com
Figure 8. Start-Up Flow Chart.
Figure 6. Typical Normalized Output Voltage Characteristics as Function of
Normalized Peak Load Rating
.
Figure 7.
Normalized Minimum Power Limit as Function of Input Voltage.
0.0
0.2
0.4
0.6
1.0
1.2
0.8
Normalized to Peak Output Power Rating
1.2
1.0
0.8
0.6
0.4
0.2
0.0
VCC > UVLO+
and
REF > REFUV+?
YES
YES
NO
NO
NO
NO
PI-7249-061615
Reference
Capacitor Valid?
Start
NO
YES
Capacitor Reset:
Short C to G
for 230 µs
YES
Feedback > FBOFF
Remove Short
on C Pin
(C > 2.5 V) or
Feedback < FBOFF
OTP Fault
Remove Current
Source on
C Pin, Short C to G
YES
YES
NO
Apply Current to
C Pin for 65 µs
Peak Valid and
Peak > VBR+
Remove C to G
Short, Start
Switching
70
75
80
170
85
95
100
90
160
190
PFS7523-29
PFS7533-39
180
Input Voltage (VAC)
1.2
1.0
0.8
0.6
0.4
0.2
0



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