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ERJ-8GEYJ56K Datasheet(PDF) 7 Page - International Rectifier

Part No. ERJ-8GEYJ56K
Description  High Power Factor/Low THD
Download  16 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

ERJ-8GEYJ56K Datasheet(HTML) 7 Page - International Rectifier

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www.irf.com
UVLO Mode
1/
2-Bridge Off
I
QCC ≅ 150µA
CPH = 0V
Oscillator Off
PREHEAT Mode
1/
2-Bridge @ fPH
CPH Charging @ I
PH = 1µA
RPH = 0V
RUN = Open Circuit
CS Disabled
IGNITION RAMP Mode
f
PH ramps to fMIN
CPH Charging @ I
PH = 1µA
RPH = Open Circuit
RUN = Open Circuit
CS+ Threshold Enabled
RUN Mode
f
MIN Ramps to fRUN
CPH Charges to 7.6V Clamp
RPH = Open Circuit
RUN = 0V
CS- Threshold Enabled
VCC > 11.4V (UV+)
and
VDC > 5.1V (Bus OK)
and
SD < 1.7V (Lamp OK)
and
T
J < 140C (Tjmax)
CPH > 4.0V
(End of PREHEAT Mode)
CPH > 5.1V
(End of IGNITION RAMP)
VCC < 9.5V
(VCC Fault or Power Down)
or
VDC < 3.0V
(dc Bus/ac Line Fault or Power Down)
or
SD > 2.0V
(Lamp Fault or Lamp Removal)
Power Turned On
FAULT Mode
Fault Latch Set
1/
2-Bridge Off
I
QCC ≅ 150µA
CPH = 0V
VCC = 15.6V
Oscillator Off
T
J > 140C
(Over-Temperature)
CS > CS+ Threshold
(Failure to Strike Lamp
or Hard Switching)
or
T
J > 140C
(Over-Temperature)
CS > CS+ Threshold
(Over-Current or Hard Switching)
or
CS < 0.2V
(No-Load or Below Resonance)
or
T
J > 140C
(Over-Temperature)
SD > 2.0V
(Lamp Removal)
or
VCC < 9.5V
(Power Turned Off)
Figure 2: IR21571 State Diagram


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