Quasi-Resonant, 800V CoolSET™ in DS0-12 Package
Electrical Characteristics
4.3.6
Foldback Point Correction
Table 11
Foldback Point Correction
Parameter
Symbol
Unit Test Condition
Limit Values
min. typ.
0.350 0.5
max.
0.621
2.2
ZC current first step threshold
ZC current last step threshold
CS threshold minimum
IZC_FS
IZC_LS
VCSMF
mA
mA
1.3
-
1.7
0.66
-
V
Izc=2.2 mA, VFB=3.8 V
4.3.7
Digital Zero Crossing
Table 12
Digital Zero Crossing
Symbol
Parameter
Unit Test Condition
Limit Values
min. typ.
max.
Zero crossing threshold voltage
Ringing suppression threshold
Minimum ringing suppression time
Maximum ringing suppression time
VZCCT
VZCRS
tZCRS1
tZCRS2
VFBR1
50
-
100
0.7
170
mV
V
-
1.62 2.5
4.5
μs
μs
V
VZC > VZCRS
VZC < VZCRS
-
-
25
-
-
Threshold to set Up/Down Counter to
3.9
one
Threshold for downward counting at
low line
Threshold for upward counting at low
line
Threshold for downward counting at
high line
VFBZHL
VFBZLL
VFBZHH
-
-
-
3.2
2.5
2.9
-
-
-
V
V
V
Threshold for upward counting at
highline
VFBZLH
IZCSH
IZCSL
-
-
-
2.3
1.3
0.8
-
-
-
V
ZC current for IC switch threshold to
high line
mA
mA
ZC current for IC switch threshold to
low line
Counter time1
tCOUNT
tOffMax
-
48
42
-
ms
Maximum restart time in normal
30
57.5
μs
1 The parameter is not subjected to production test - verified by design/characterization
Data Sheet 16
Revision 1.0
2016-05-12
INFINEON [ Infineon ]
