IRF830 datasheet(7/16 Pages) IRF

номер детали	IRF830

подробное описание детали	High Power Factor/Low THD

PDF	16 Pages

Scroll/Zoom	100%

производитель	IRF [International Rectifier]

домашняя страница	http://www.irf.com

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UVLO Mode

2-Bridge Off

QCC ≅ 150µA

CPH = 0V

Oscillator Off

PREHEAT Mode

2-Bridge @ fPH

CPH Charging @ I

PH = 1µA

RPH = 0V

RUN = Open Circuit

CS Disabled

IGNITION RAMP Mode

PH ramps to fMIN

CPH Charging @ I

PH = 1µA

RPH = Open Circuit

RUN = Open Circuit

CS+ Threshold Enabled

RUN Mode

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

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)

VDC < 3.0V

(dc Bus/ac Line Fault or Power Down)

SD > 2.0V

(Lamp Fault or Lamp Removal)

Power Turned On

FAULT Mode

Fault Latch Set

2-Bridge Off

QCC ≅ 150µA

CPH = 0V

VCC = 15.6V

Oscillator Off

J > 140C

(Over-Temperature)

CS > CS+ Threshold

(Failure to Strike Lamp

or Hard Switching)

J > 140C

(Over-Temperature)

CS > CS+ Threshold

(Over-Current or Hard Switching)

CS < 0.2V

(No-Load or Below Resonance)

J > 140C

(Over-Temperature)

SD > 2.0V

(Lamp Removal)

VCC < 9.5V

(Power Turned Off)

Figure 2: IR21571 State Diagram

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