參數(shù)資料
型號(hào): IRP2166
廠商: International Rectifier
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: PFC & BALLAST CONTROL IC
中文描述: 功率因數(shù)校正
文件頁(yè)數(shù): 7/32頁(yè)
文件大?。?/td> 616K
代理商: IRP2166
IR2166 & (PbF)
www.irf.com
7
State Diagram
VCC < 9.5V
(VCC Fault or Power Down)
or
SD/EOL > 5.0V
(Lamp Fault or Lamp Removal)
UVLO Mode
1
/
2
-Bridge Off
I
QCC
400
μ
A
CT = 0V (Oscillator Off)
PREHEAT Mode
1
/
2
-Bridge oscillating @ f
PH
RPH // RT
CPH Charging @ I
= 5
μ
A
PFC Enabled (High Gain)
CS Enabled
Fault Counter Enabled
VCC > 11.5V (UV+)
and
SD/EOL < 5.0V
Power Turned On
FAULT Mode
Fault Latch Set
1
/
2
-Bridge Off
I
QCC
180
μ
A
VCC = 15.6V
CT = 0V (Oscillator Off)
CS > 1.3V for 25 cycles
(Failure to Strike Lamp)
SD/EOL > 5.0V
(Lamp Removal)
or
VCC < 9.5V (UV-)
(Power Turned Off)
CPH > (VCC - 4V)
(End of PREHEAT Mode)
Ignition Ramp
Mode
RPH
>
Open
f
PH
ramps to f
RUN
CPH charging
CPH > (VCC - 2V)
CS > 1.3V
(Lamp Fault)
or
SD/EOL<1.0V
or
SD/EOL>3.0V
(End-of-Life)
RUN Mode
RPH = Open
1/2-Bridge Oscillating @f
RUN
EOL Thresholds Enabled
PFC = Low Gain Mode
VBUS UV Threshold Enabled
Fault Counter Disabled
VBUS<3.0V
CS > 1.3V for 25
cycles
Discharge
VCC
to UVLO-
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