IR2167 查看數據表（PDF） - International Rectifier

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产品描述 (功能)

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IR2167

PFC BALLAST CONTROL IC

International Rectifier 

IR2167(S)

State Diagram

Power Turned On

SD > 5.1V

(Lamp Removal)

or

VCC < 9.5V

(Power Turned Off)

FAULT Mode

Fault Latch Set

1/2-Bridge Off

PFC Off

COMP=0V

IQCC ≅ 150µA

CPH = 0V

VCC = 15.6V

TJ > 160C

(Over-Temperature)

UVLO Mode

1/2-Bridge Off

PFC Off

COMP=0V

IQCC ≅ 150µA

CPH = 0V

VCC > 11.4V (UV+)

and

VDC > 5.1V (Bus OK)

and

SD < 4.9V (Lamp OK)

and

TJ < 160C (Tjmax)

PREHEAT Mode

1/2-Bridge @ fPH

PFC Enabled

CPH Charging @ IPH = 3µA

RPH = 0V

RUN = Open Circuit

CS Disabled

CS > OC Threshold

(Failure to Strike Lamp

or Hard Switching)

or

TJ > 160C

(Over-Temperature)

CS > OC Threshold

(Over-Current or Hard Switching)

or

CS < 0.2V

(No-Load or Below Resonance)

or

TJ > 160C

(Over-Temperature)

or

SD < 1V or SD > 3V (End-of-Life)

CPH > 4.0V

(End of PREHEAT Mode)

IGNITION RAMP Mode

fPH ramps to fMIN

CPH Charging @ IPH = 1µA

RPH = Open Circuit

RUN = Open Circuit

CS OC Threshold Enabled

CPH > 5.1V

(End of IGNITION RAMP)

RUN Mode

fMIN Ramps to fRUN

CPH Charges to 10V Clamp

RPH = Open Circuit

RUN = 0V

CS 0.2V Threshold Enabled

SD 1.0V and 3.0V Thresholds Enabled

VCC < 9.5V

(VCC Fault or Power Down)

or

VDC < 3.0V

(dc Bus/ac Line Fault or Power Down)

or

SD > 5.1V

(Lamp Fault or Lamp Removal)

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