參數(shù)資料
型號: ICE3B1565J
廠商: INFINEON TECHNOLOGIES AG
英文描述: Off-Line SMPS Current Mode Controller with integrated 650V Startup Cell/Depletion CoolMOS⑩
中文描述: 離線式開關(guān)電源電流模式控制器,集成了?650V啟動細胞/消耗的CoolMOS⑩
文件頁數(shù): 17/26頁
文件大?。?/td> 502K
代理商: ICE3B1565J
CoolSET-F3
ICE3Bxx65J
Version 2.3
17
8 May 2006
4.3.2
Internal Voltage Reference
4.3.3
PWM Section
4.3.4
Control Unit
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Trimmed Reference Voltage
V
REF
4.90
5.00
5.10
V
measured at pin FB
I
FB
= 0
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Fixed Oscillator Frequency
f
OSC3
f
OSC4
f
delta
58
67
76
kHz
62
67
74.5
kHz
T
j
= 25°C
T
j
= 25°C
Frequency Jittering Range
-
±2.7
-
kHz
Max. Duty Cycle
D
max
D
min
0.70
0.75
0.80
Min. Duty Cycle
0
-
-
V
FB
< 0.3V
PWM-OP Gain
A
V
3.0
3.2
3.4
Max. Level of Voltage Ramp
V
Max-Ramp
V
FBmin
V
FBmax
-
0.6
-
V
V
FB
Operating Range Min Level
V
FB
Operating Range Max level
-
0.5
-
V
-
-
4.3
V
CS=1V limited by
Comparator C4
1)
1)
This parameter is not subject to production test - verified by design/characterization
Feedback Pull-Up Resistor
R
FB
R
SoftS
9
14
22
k
Soft-Start Pull-Up Resistor
30
45
62
k
Parameter
Symbol
Limit Values
Unit
Test Condition
min.
typ.
max.
Deactivation Level for SoftS
Comparator C7 by C2
V
SoftSC2
2.98
3.10
3.22
V
V
FB
= 5V
Clamped V
SoftS
Voltage during
Burst Mode
V
SoftSclmp_bm
2.88
3.00
3.12
V
Activation Limit of
Comparator C3
V
SoftSC3
3.85
4.00
4.15
V
V
FB
= 5V
SoftS Startup Current
I
SoftSstart
V
FBC4
-
0.9
-
mA
V
SoftS
= 0V
V
SoftS
= 4.5V
Over Load & Open Loop
Detection Limit for
Comparator C4
4.33
4.50
4.67
V
Active Burst Mode Level for
Comparator C5
V
FBC5
1.23
1.35
1.43
V
V
SoftS
= 4.5V
Active Burst Mode Level for
Comparator C6a
V
FBC6a
3.48
3.61
3.76
V
After Active Burst
Mode is entered
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