CoolSET™-F2
ICE2A165/265/365
ICE2A180/280
Electrical Characteristics
4.3.3
Control Section
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
93
-
typ.
100
21.5
4.65
0.72
-
max.
Oscillator Frequency
Reduced Osc. Frequency
Frequency Ratio fosc1/fosc2
Max Duty Cycle
fOSC1
fOSC2
107
-
kHz
kHz
VFB = 4V
VFB = 1V
4.5
0.67
0
4.9
0.77
-
Dmax
Dmin
Min Duty Cycle
VFB < 0.3V
PWM-OP Gain
AV
3.45
-
3.65
0.80
-
3.85
-
Max. Level of Voltage Ramp
VMax-Ramp
V
VFB Operating Range Min Level VFBmin
VFB Operating Range Max level VFBmax
0.3
-
-
V
-
4.6
4.9
62
V
Feedback Resistance
Soft-Start Resistance
RFB
3.0
42
3.7
50
kΩ
kΩ
RSoft-Start
4.3.4
Protection Unit
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Over Load & Open Loop
Detection Limit
VFB2
4.65
4.8
4.95
5.46
4.12
17.2
V
V
V
V
VSoftS > 5.5V
VFB > 5V
Activation Limit of Overload &
Open Loop Detection
VSoftS1
VSoftS2
VVCC1
5.15
3.88
16
5.3
Deactivation Limit of
Overvoltage Detection
4.0
VFB > 5V
VCC > 17.5V
Overvoltage Detection Limit
16.5
VSoftS < 3.8V
VFB > 5V
Latched Thermal Shutdown
Spike Blanking
TjSD
130
-
140
5
150
-
°C
guaranteed by design
tSpike
µs
4.3.5
Current Limiting
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Peak Current Limitation (incl.
Propagation Delay Time)
(see Figure 7)
Vcsth
0.95
1.00
1.05
-
V
dVsense / dt = 0.6V/µs
Leading Edge Blanking
tLEB
-
220
ns
Datasheet
16
September 2001
INFINEON [ Infineon ]
