ICE3B0365J_13 Datasheet, PDF (17/28 Pages) Infineon Technologies AG – Off-Line SMPS Cur rent Mode Controller with integrated 650V

CoolSET^®-F3
ICE3Bxx65J
4.3.2
Internal Voltage Reference
Parameter
Symbol
Trimmed Reference Voltage
V_REF
Limit Values
min. typ.
max.
4.90 5.00 5.10
Unit
V
Test Condition
measured at pin FB
I_FB = 0
4.3.3
PWM Section
Parameter
Symbol
Limit Values
min. typ.
max.
Unit
Test Condition
Fixed Oscillator Frequency
f_OSC3
58
67
76
kHz
Frequency Jittering Range
Max. Duty Cycle
f_OSC4
f_delta
D_max
62
67
74.5 kHz
-
±2.7 -
kHz
0.70 0.75 0.80
Min. Duty Cycle
PWM-OP Gain
D_min
A_V
0
-
-
3.0
3.2
3.4
Max. Level of Voltage Ramp
V_Max-Ramp
-
0.6
-
V
V_FB Operating Range Min Level V_FBmin
-
0.5
-
V
V_FB Operating Range Max level V_FBmax
-
-
4.3
V
T_j = 25°C
T_j = 25°C
V_FB < 0.3V
CS=1V limited by
Comparator C4¹⁾
Feedback Pull-Up Resistor
R_FB
9
14
22
kW
Soft-Start Pull-Up Resistor
R_SoftS
30
45
62
kW
1) _{This parameter is not subject to production test - verified by design/characterization}
4.3.4
Control Unit
Parameter
Deactivation Level for SoftS
Comparator C7 by C2
Clamped V_SoftS Voltage during
Burst Mode
Activation Limit of
Comparator C3
SoftS Startup Current
Over Load & Open Loop
Detection Limit for
Comparator C4
Active Burst Mode Level for
Comparator C5
Active Burst Mode Level for
Comparator C6a
Symbol
V_SoftSC2
Limit Values
min. typ.
max.
2.98 3.10 3.22
V_{SoftSclmp_bm} 2.88
3.00
3.12
V_SoftSC3
3.85 4.00 4.15
I_SoftSstart
V_FBC4
-
4.33
0.9
4.50
-
4.67
V_FBC5
V_FBC6a
1.23 1.35 1.43
3.48 3.61 3.76
Unit
V
V
V
mA
V
V
V
Test Condition
V_FB = 5V
V_FB = 5V
V_SoftS = 0V
V_SoftS = 4.5V
V_SoftS = 4.5V
After Active Burst
Mode is entered
Version 2.9
17
25 Mar 2013