English
Language : 

ICE3A1065ELJ Datasheet, PDF (21/29 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V CoolMOS
4.3.2
Internal Voltage Reference
Parameter
Symbol
Trimmed Reference Voltage
VREF
CoolSET®-F3
ICE3A1065ELJ
Electrical Characteristics
min.
4.90
Limit Values
typ.
max.
5.00 5.10
Unit Test Condition
V
measured at pin FB
IFB = 0
4.3.3
PWM Section
Parameter
Fixed Oscillator Frequency
Frequency Jittering Range
Max. Duty Cycle
Min. Duty Cycle
PWM-OP Gain
Symbol
fOSC1
fOSC2
fjitter
Dmax
Dmin
AV
Limit Values
Unit
min. typ.
max.
87
100
113
kHz
92
100
108
kHz
-
±4.0 -
kHz
0.70 0.75 0.80
0
-
-
3.0
3.2
3.4
Test Condition
Tj = 25°C
Tj = 25°C
VFB < 0.3V
Voltage Ramp Offset
VOffset-Ramp
-
0.6
-
V
VFB Operating Range Min Level VFBmin
-
VFB Operating Range Max level VFBmax
-
FB Pull-Up Resistor
RFB
9
0.5
-
V
-
4.3
V
CS=1V, limited by
Comparator C41)
15.4 22
kΩ
1) The parameter is not subjected to production test - verified by design/characterization
4.3.4
Soft Start time
Parameter
Soft Start time
Symbol
tSS
Limit Values
Unit Test Condition
min. typ.
max.
-
20.0 -
ms
Version 2.1
21
12 May 2009