參數資料
型號: ICE2AS01
廠商: INFINEON TECHNOLOGIES AG
英文描述: PWM-FF IC
中文描述: 脈寬調制集成電路法郎
文件頁數: 17/24頁
文件大?。?/td> 1291K
代理商: ICE2AS01
ICE2AS01/G
ICE2BS01/G
Electrical Characteristics
Version 2.0 17 1 Feb 2002
4.3.4
Protection Unit
4.3.5
Current Limiting
Frequency Ratio f
osc1
/f
osc2
ICE2AS01/G
4.5
4.65
4.9
Frequency Ratio f
osc3
/f
osc4
ICE2BS01/G
3.18
3.35
3.53
Max Duty Cycle
D
max
D
min
A
V
V
Max-Ramp
0.67
0.72
0.77
Min Duty Cycle
0
-
-
V
FB
< 0V
PWM-OP Gain
3.45
3.65
3.85
Max. Level of Voltage Ramp
-
0.85
-
V
V
FB
Operating Range Min Level V
FBmin
V
FB
Operating Range Max level V
FBmax
Feedback Resistance
0.3
-
-
V
-
-
4.6
V
R
FB
R
Soft-Start
3.0
3.7
4.9
k
k
Soft-Start Resistance
42
50
62
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Over Load & Open Loop
Detection Limit
V
FB2
4.65
4.8
4.95
V
V
SoftS
> 5.5V
Activation Limit of Overload &
Open Loop Detection
V
SoftS1
5.15
5.3
5.46
V
V
FB
> 5V
Deactivation Limit of
Overvoltage Detection
V
SoftS2
3.88
4.0
4.12
V
V
FB
> 5V
V
CC
> 17.5V
V
SoftS
< 3.8V
V
FB
> 5V
guaranteed by design
Overvoltage Detection Limit
V
VCC1
16
16.5
17.2
V
Latched Thermal Shutdown
T
jSD
t
Spike
130
140
150
°
C
Spike Blanking
-
5
-
μs
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Peak Current Limitation (incl.
Propagation Delay Time)
(see Figure 7)
V
csth
0.95
1.00
1.05
V
dV
sense
/ dt = 0.6V/
μ
s
Leading Edge Blanking
t
LEB
-
220
-
ns
相關PDF資料
PDF描述
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