ICE3B0365JG Datasheet, PDF (17/22 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/Depletion CoolMOS

CoolSET™-F3
ICE3B0365JG/ICE3B0565JG
4.3.3
PWM Section
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ.
max.
Fixed Oscillator Frequency
f_OSC3
58
67
76
kHz
f_OSC4
62
67
74.5 kHz
Frequency Jittering Range
Max. Duty Cycle
f_delta
D_max
-
±2.7 -
kHz
0.70 0.75 0.80
Min. Duty Cycle
D_min
0
-
-
PWM-OP Gain
A_V
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
Soft-Start Pull-Up Resistor
R_FB
R_SoftS
9
14
22
kΩ
30
45
62
kΩ
1) _{The parameter is not subjected to production test - verified by design/characterization}
4.3.4
Control Unit
Parameter
Symbol
Limit Values
Unit Test Condition
min. typ.
max.
Deactivation Level for SoftS
Comparator C7 by C2
V_SoftSC2
2.98 3.10 3.22 V
V_FB = 5V
Clamped V_SoftS Voltage during V_{SoftSclmp_bm} 2.88
3.00
3.12
V
Burst Mode
Activation Limit of
Comparator C3
V_SoftSC3
3.85 4.00 4.15 V
V_FB = 5V
SoftS Startup Current
Over Load & Open Loop
Detection Limit for
Comparator C4
I_SoftSstart
V_FBC4
-
0.9
-
mA
4.33 4.50 4.67 V
V_SoftS = 0V
V_SoftS = 4.5V
Active Burst Mode Level for
Comparator C5
V_FBC5
1.23 1.35 1.43 V
V_SoftS = 4.5V
Active Burst Mode Level for
Comparator C6a
V_FBC6a
3.48 3.61 3.76 V
After Active Burst
Mode is entered
Active Burst Mode Level for
Comparator C6b
V_FBC6b
2.88 3.00 3.12 V
After Active Burst
Mode is entered
Overvoltage Detection Limit
V_VCCOVP
19.5
20.5
21.5
V
Thermal Shutdown¹⁾
T_jSD
130
140
150
°C
Spike Blanking
t_Spike
-
8.0
-
µs
V_FB = 5V, V_SoftS = 3V
1) _{The parameter is not subjected to production test - verified by design/characterization}
Version 2.0
17
14 Nov 2006