ICE3A0365 Datasheet, PDF (24/30 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/CoolMOS

CoolSET™-F3
4.3.3
Internal Voltage Reference
Parameter
Symbol
Trimmed Reference Voltage
V_REF
Electrical Characteristics
min.
6.37
Limit Values
typ.
max.
6.50 6.63
Unit Test Condition
V
measured at pin FB
I_FB = 0
4.3.4
PWM Section
Parameter
Fixed Oscillator
Frequency
ICE3Axx65
ICE3Axx65Z
ICE3Axx65I
ICE3Axx65P
Symbol
f_OSC1
f_OSC2
min.
92
Limit Values
typ.
max.
100
108
94
100
106
Fixed Oscillator ICE3Bxx65 f_OSC1
61
67
73
Frequency
ICE3Bxx65I
ICE3Bxx65P _fOSC2
63
67
71
Max. Duty Cycle
Min. Duty Cycle
PWM-OP Gain
Voltage Ramp Max Level
V_FB Operating Range Min Level
D_max
D_min
A_V
V_Max-Ramp
V_FBmin
0.67
0
3.5
-
0.3
0.72
-
3.7
0.85
0.7
0.77
-
3.9
-
-
V_FB Operating Range Max level V_FBmax
-
-
4.75
FB Pull-Up Resistor
SoftS Pull-Up Resistor
R_FB
16
20
27
R_SoftS
39
50
62
1) _{Design characteristic (not meant for production testing)}
Unit
kHz
kHz
kHz
kHz
V
V
V
kΩ
kΩ
Test Condition
T_j = 25°C
T_j = 25°C
V_FB < 0.3V
CS=1V, limited by
Comparator C4¹⁾
Version 1.3
24
15 Sep 2004