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ICE3A1065 Datasheet, PDF (26/32 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/ Depletion CoolMOS™
CoolSET™-F3
4.3.5
Control Unit
Parameter
Deactivation Level for SoftS
Comparator C7 by C2
Clamped VSoftS Voltage during
Normal Operating Mode
Activation Limit of
Comparator C3
SoftS Startup Current
Electrical Characteristics
Symbol
VSoftSC2
Limit Values
min. typ.
max.
3.85 4.00 4.15
Unit
V
VSoftSclmp 4.23
4.40
4.57
V
VSoftSC3
5.20
5.40
5.60
V
ISoftSstart
-
1.3
-
mA
Test Condition
VFB > 5V
VFB = 4V
VFB > 5V
VSoftS = 0V
Over Load & Open Loop Detection VFBC4
Limit for Comparator C4
4.62 4.80 4.98 V
Active Burst Mode Level for
Comparator C5
VFBC5
1.23 1.30 1.37 V
Active Burst Mode Level for
Comparator C6a
VFBC6a
3.85
4.00
4.15
V
Active Burst Mode Level for
Comparator C6b
VFBC6b
3.25
3.40
3.55
V
Overvoltage Detection Limit
VVCCOVP 16.1
17.1
18.1
V
Thermal Shutdown1)
TjSD
130
140
150
°C
Spike Blanking
tSpike
-
8.0
-
ms
VSoftS > 5.6V
VSoftS > 5.6V
After Active Burst
Mode is entered
After Active Burst
Mode is entered
VFB > 5V
VSoftS < 4.0V
1) The parameter is not subjected to production test - verified by design/characterization
Note: The trend of all the voltage levels in the Control Unit is the same regarding the deviation except VVCCOVP
and VVCCPD
4.3.6
Current Limiting
Parameter
Peak Current Limitation
(incl. Propagation Delay)
Peak Current Limitation during
Active Burst Mode
Leading Edge Blanking
Symbol
Vcsth
Limit Values
min. typ.
max.
0.97 1.02 1.07
Unit
V
VCS2
0.232 0.257 0.282 V
tLEB
-
220
-
ns
Test Condition
dVsense / dt = 0.6V/ms
(see Figure 16)
VSoftS = 4.4V
CS Input Bias Current
ICSbias
-1.0
-0.2
0
mA
VCS =0V
Version 2.3
26
02 Apr 2013