ICE2A280 Infineon Technologies Corporation, ICE2A280 Datasheet - Page 16

• Manufacturer Part Number: ICE2A280
• Manufacturer: Infineon Technologies Corporation

4.3.3
Parameter
Oscillator Frequency
Reduced Osc. Frequency
Frequency Ratio f
Max Duty Cycle
Min Duty Cycle
PWM-OP Gain
Max. Level of Voltage Ramp
V
V
Feedback Resistance
Soft-Start Resistance
4.3.4
Parameter
Over Load & Open Loop
Detection Limit
Activation Limit of Overload &
Open Loop Detection
Deactivation Limit of
Overvoltage Detection
Overvoltage Detection Limit
Latched Thermal Shutdown
Spike Blanking
4.3.5
Parameter
Peak Current Limitation (incl.
Propagation Delay Time)
(see Figure 7)
Leading Edge Blanking
Datasheet
FB
FB
Operating Range Min Level V
Operating Range Max level V
Control Section
Protection Unit
Current Limiting
osc1
/f
osc2
A
V
Symbol
f
f
D
D
R
R
Symbol
V
V
V
V
T
t
OSC1
OSC2
Spike
V
Max-Ramp
jSD
FBmin
FBmax
FB2
SoftS1
SoftS2
VCC1
max
min
FB
Soft-Start
Symbol
V
t
LEB
csth
min.
93
-
4.5
0.67
0
3.45
-
0.3
-
3.0
42
min.
4.65
5.15
3.88
16
130
-
min.
0.95
-
Limit Values
Limit Values
16
Limit Values
3.65
0.80
typ.
100
21.5
4.65
0.72
-
-
-
3.7
50
typ.
4.8
5.3
4.0
16.5
140
5
typ.
1.00
220
max.
107
-
4.9
0.77
-
3.85
-
-
4.6
4.9
62
max.
4.95
5.46
4.12
17.2
150
-
1.05
max.
-
Unit
kHz
kHz
V
V
V
k
k
Unit
V
V
V
V
°C
µs
Electrical Characteristics
Unit
V
ns
ICE2A165/265/365
Test Condition
V
V
V
Test Condition
V
V
V
V
V
V
guaranteed by design
FB
FB
FB
SoftS
FB
FB
CC
SoftS
FB
Test Condition
dV
CoolSET™-F2
ICE2A180/280
= 4V
= 1V
< 0.3V
> 5V
> 5V
> 5V
> 17.5V
sense
September 2001
> 5.5V
< 3.8V
/ dt = 0.6V/ s