IRPLLNR2U International Rectifier, IRPLLNR2U Datasheet - Page 7

• Manufacturer Part Number: IRPLLNR2U
• Description: BALLAST 32W/T8 120V AC IR21571
• Manufacturer: International Rectifier

Specifications of IRPLLNR2U

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *IRPLLNR2U

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