IX9908 Datasheet, PDF (5/10 Pages) IXYS Corporation – High Voltage, Dimmable LED Driver with PFC Control

INTEGRATED CIRCUITS DIVISION
IX9908
1.5.6 Foldback Point Correction
Parameter
ZCV Current First Step Threshold
ZCV Current Last Step Threshold
CS Threshold Minimum
Conditions
-
-
I_ZC = 2.3 mA, V_VR = 3.0V
1.5.7 Digital Zero Crossing
Parameter
Zero Crossing Voltage
Ringing Suppression Threshold
Minimum Ringing Suppression Time
Maximum Ringing Suppression Time
Maximum Restart Time in Normal Operation
Conditions
-
-
V_ZC > V_ZCRS
V_ZC < V_ZCRS
-
1.5.8 Protection
Parameter
V_CC Overvoltage Threshold
Output Overvoltage Detection Threshold at the ZCV Pin
Blanking Time for Output Overvoltage Protection
Threshold for Short Winding Protection
Blanking Time for Short Winding Protection
Over-Temperature Protection
Conditions
-
-
-
-
-
-
1.5.9 Gate Drive
Parameter
Output Voltage at Logic Low
Output Voltage at Logic High
Output Voltage Active Shut-Down
Rise Time
Fall Time
Conditions
V_CC=18V, I_OUT=10mA
V_CC=18V, I_OUT= -10mA
V_CC=9V, I_OUT=10mA
C_OUT=1nF, V_GD=2V to 8V
C_OUT=1nF, V_GD=8V to 2V
Symbol Minimum Typical Maximum Unit
I_{ZC_FS}
0.35
I_{ZC_LS}
1.3
V_CSMF
-
0.5
0.621
mA
1.85
2.3
mA
0.66
-
V
Symbol Minimum Typical Maximum Unit
V_ZCCT
50
100
170
mV
V_ZCRS
-
0.7
-
V
t_ZCRS1
1.62
2.5
4.5
s
t_ZCRS2
-
42
-
s
t_OffMax
30
42
57.5
s
Symbol Minimum Typical Maximum Unit
V_CCOVP
24
25
26
V
V_ZCVOVP
3.55
3.7
3.87
V
t_ZCVOVP
-
100
-
s
V_CSSW
1.60
1.68
1.78
V
t_CSSW
-
190
-
ns
T_JTSP
-
140
-
°C
Symbol Minimum Typical Maximum Unit
V_GATElow
-
-
1
V
V_GATEhigh
9
10
-
V
V_GATEasd
-
-
1
V
t_rise
-
117
-
ns
t_fall
-
27
-
ns
R01
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