参数资料
型号: IR2159S
厂商: International Rectifier
英文描述: DIMMING BALLAST CONTROL IC
中文描述: 调光镇流器控制IC
文件页数: 7/25页
文件大小: 267K
代理商: IR2159S
IR21592/IR21593
(S)
www.irf.com
7
State Diagram
PREHEAT Mode
1/2-BridgeOscillator On
V
CSPK
+V
(Peak Current Control)
CPH Charging@I
+1
μ
A
DIM+Open Circuit
Over-Current Disabled
UVLO Mode
1/2-Bridge Off
IQCC=200mA
CPH=0V
Oscillator Off
FAULT Mode
Fault Latch Set
1/2-Bridge Off
I
QCC
=240
μ
A
VCC=15.6V
Oscillator Off
DIM Mode
Phase
=Phase
REF
DIM=CPH
Over-Current Enabled
CPH > 5.1V
(End of PREHEAT Mode)
VCC < 10.9V
(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)
SD > 2.0V
(Lamp Removal)
or
VCC < 10.9V
(Power Turned Off)
CS > V
CSTH
(1.6V)
(Failure to Strike Lamp
or Hard Switching)
or
T
J
> 165C
(Over-Temperature)
(Over-Temperature)
CS > V
(1.6V)
(Over-Current or Hard Switching)
or
TJ > 165C
(Over-Temperature)
V
CS
>V
IPH
(enable ignition detection)
then
V
CS
<V
IPH
(ignition detected)
VCC > 12.5V
(UV+)
and
VDC > 5.1V
and
SD < 1.7V
and
TJ < 165C
(Bus OK)
(Lamp OK)
(Tjmax)
Power Turned On
IGNITION Mode
f
ramps to fMIN
CPH Charging@I
+1
μ
A
DIM=Open Circuit
Over-Current Enabled
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