ICE2A165 Datasheet, PDF (16/23 Pages) Infineon Technologies AG – Off-Line SMPS Current Mode Controller with integrated 650V/800V CoolMOS™

4.3.3 Control Section
CoolSET™-F2
ICE2A165/265/365
ICE2A180/280
Electrical Characteristics
Parameter
Symbol
Oscillator Frequency
f_OSC1
Reduced Osc. Frequency
f_OSC2
Frequency Ratio f_osc1/f_osc2
Max Duty Cycle
D_max
Min Duty Cycle
D_min
PWM-OP Gain
A_V
Max. Level of Voltage Ramp V_Max-Ramp
V_FB Operating Range Min Level V_FBmin
V_FB Operating Range Max level V_FBmax
Feedback Resistance
R_FB
Soft-Start Resistance
R_Soft-Start
4.3.4 Protection Unit
Limit Values
Unit
min. typ.
max.
93
100
107
kHz
-
21.5 -
kHz
4.5
4.65 4.9
0.67 0.72 0.77
0
-
-
3.45 3.65 3.85
-
0.80 -
V
0.3
-
-
V
-
-
4.6
V
3.0
3.7
4.9
kΩ
42
50
62
kΩ
Test Condition
V_FB = 4V
V_FB = 1V
V_FB < 0.3V
Parameter
Symbol
Over Load & Open Loop
Detection Limit
Activation Limit of Overload &
Open Loop Detection
Deactivation Limit of
Overvoltage Detection
Overvoltage Detection Limit
V_FB2
V_SoftS1
V_SoftS2
V_VCC1
Latched Thermal Shutdown
Spike Blanking
T_jSD
t_Spike
4.3.5 Current Limiting
Limit Values
Unit
min. typ.
max.
4.65 4.8
4.95 V
5.15 5.3
5.46 V
3.88 4.0
4.12 V
16
16.5 17.2 V
130
140
150
°C
-
5
-
µs
Test Condition
V_SoftS > 5.5V
V_FB > 5V
V_FB > 5V
V_CC > 17.5V
V_SoftS < 3.8V
V_FB > 5V
guaranteed by design
Parameter
Peak Current Limitation (incl.
Propagation Delay Time)
(see Figure 7)
Leading Edge Blanking
Symbol
V_csth
t_LEB
Limit Values
Unit
min. typ.
max.
0.95 1.00 1.05 V
-
220
-
ns
Test Condition
dV_sense / dt = 0.6V/µs
Datasheet
16
September 2001