ICE3AS03LJG Datasheet, PDF (20/25 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell ( Latched and frequency jitter Mode )

F3 PWM controller
ICE3AS03LJG
Electrical Characteristics
4.3.3
PWM Section
Parameter
Fixed Oscillator Frequency
Frequency Jittering Range
Max. Duty Cycle
Symbol
f_OSC1
f_OSC2
f_jitter
D_max
min.
87
92
-
0.70
Limit Values
typ.
max.
100
113
100
108
±4
-
0.75 0.80
Min. Duty Cycle
D_min
0
-
-
PWM-OP Gain
A_V
3.1
3.3
3.5
Voltage Ramp Offset
V_Offset-Ramp
-
0.67 -
V_FB Operating Range Min Level V_FBmin
-
V_FB Operating Range Max level V_FBmax
-
0.5
-
-
4.3
FB Pull-Up Resistor
R_FB
9
15.4 22
Unit
kHz
kHz
kHz
V
V
V
kΩ
Test Condition
T_j = 25°C
T_j = 25°C
V_FB < 0.3V
CS=1V, limited by
Comparator C4¹⁾
1) _{The parameter is not subjected to production test - verified by design/characterization}
4.3.4
Soft Start time
Parameter
Soft Start time
Symbol
t_SS
Limit Values
Unit Test Condition
min. typ.
max.
-
10
-
ms
Version 2.0
20
3 Jul 2009