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ICE3A1065 Datasheet, PDF (25/32 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/ Depletion CoolMOS™
CoolSET™-F3
4.3.3
Internal Voltage Reference
Parameter
Symbol
Trimmed Reference Voltage
VREF
Electrical Characteristics
Limit Values
min. typ.
max.
6.37 6.50 6.63
Unit Test Condition
V
measured at pin FB
IFB = 0
4.3.4
PWM Section
Parameter
Fixed Oscillator
Frequency
ICE3Axx65
ICE3Axx65Z
ICE3Axx65I
ICE3Axx65P
Symbol
fOSC1
fOSC2
Limit Values
min. typ.
max.
92
100
108
94
100
106
Unit
kHz
kHz
Test Condition
Tj = 25°C
Fixed Oscillator ICE3Bxx65 fOSC1
61
67
73
kHz
Frequency
ICE3Bxx65I
ICE3Bxx65P
fOSC2
63
67
71
kHz
Tj = 25°C
Max. Duty Cycle
Dmax
0.67 0.72 0.77
Min. Duty Cycle
PWM-OP Gain
Dmin
AV
0
-
-
3.5
3.7
3.9
Voltage Ramp Max Level
VMax-Ramp -
0.85 -
V
VFB Operating Range Min Level VFBmin
0.3
0.7
-
V
VFB < 0.3V
VFB Operating Range Max level VFBmax -
-
4.75 V
CS=1V, limited by
Comparator C41)
FB Pull-Up Resistor
SoftS Pull-Up Resistor
RFB
16
20
27
kW
RSoftS
39
50
62
kW
1) The parameter is not subjected to production test - verified by design/characterization
Version 2.3
25
02 Apr 2013