參數(shù)資料
型號(hào): ICE3AS02G
廠商: INFINEON TECHNOLOGIES AG
英文描述: Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell
中文描述: 離線式開關(guān)電源電流模式控制器,集成了500V啟動(dòng)單元
文件頁(yè)數(shù): 18/23頁(yè)
文件大?。?/td> 476K
代理商: ICE3AS02G
F3
ICE3AS02 / ICE3AS02G / ICE3BS02 / ICE3BS02G
Electrical Characteristics
Version 1.1
18
21 May 2004
4.3.4
PWM Section
4.3.5
Control Unit
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Fixed Oscillator
Frequency
ICE3AS02
ICE3AS02G
f
OSC1
f
OSC2
f
OSC1
f
OSC2
D
max
92
100
108
kHz
94
100
106
kHz
T
j
= 25°C
ICE3BS02
ICE3BS02G
61
67
73
kHz
63
67
71
kHz
T
j
= 25°C
Max. Duty Cycle
0.67
0.72
0.77
Min. Duty Cycle
D
min
0
-
-
V
FB
< 0.3V
PWM-OP Gain
A
V
3.5
3.7
3.9
Voltage Ramp Max Level
V
Max-Ramp
-
0.85
-
V
V
FB
Operating Range Min Level
V
FBmin
0.3
0.7
-
V
V
FB
Operating Range Max level
V
FBmax
-
-
4.75
V
CS=1V, limited by
Comparator C4
1)
Design characteristic (not meant for production testing)
FB Pull-Up Resistor
R
FB
16
20
27
k
SoftS Pull-Up Resistor
R
SoftS
39
50
62
k
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Deactivation Level for SoftS
Comparator C7 by C2
V
SoftSC2
3.85
4.00
4.15
V
V
FB
> 5V
Clamped V
Voltage during
Normal Operating Mode
V
SoftSclmp
4.23
4.40
4.57
V
V
FB
= 4V
Activation Limit of
Comparator C3
V
SoftSC3
5.20
5.40
5.60
V
V
FB
> 5V
SoftS Startup Current
I
SoftSstart
-
1.3
-
mA
V
SoftS
= 0V
Over Load & Open Loop Detection
Limit for Comparator C4
V
FBC4
4.62
4.80
4.98
V
V
SoftS
> 5.6V
Active Burst Mode Level for
Comparator C5
V
FBC5
1.23
1.30
1.37
V
V
SoftS
> 5.6V
Active Burst Mode Level for
Comparator C6a
V
FBC6a
3.85
4.00
4.15
V
After Active Burst
Mode is entered
相關(guān)PDF資料
PDF描述
ICE3BS02 Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell
ICE3BS02G Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell
ICE3BS02L Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell and Latched off Mode
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