參數(shù)資料
型號(hào)： ICE3B1565J
廠(chǎng)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(xiàn)式開(kāi)關(guān)電源電流模式控制器，集成了?650V啟動(dòng)細(xì)胞/消耗的CoolMOS⑩
文件頁(yè)數(shù)： 13/26頁(yè)
文件大小： 502K
代理商： ICE3B1565J
CoolSET-F3
ICE3Bxx65J
Version 2.3
13
8 May 2006
blocks C12 by the gate G10. Maximum current can now
be provided to stabilize V
OUT
.
Figure 15
Signals in Active Burst Mode
3.6.3
The IC provides several protection features that
increase the SMPS system’s robustness and safety.
The following table shows the possible system failures
and the corresponding protection modes.
Protection Modes
3.6.3.1
Auto Restart Mode I
Figure 16
Auto Restart Mode I
The VCC voltage is observed by comparator C13 if
20.5V is exceeded. The output of C13 is combined with
both the output of C3 which checks for V
SoftS
< 4.0V and
the output of C4 which checks for V
FB
> 4.5V. Therefore
the overvoltage detection can only be active during Soft
Start Phase (V
SoftS
< 4.0V) and when FB signal is
outside the operating range > 4.5V. This means any
1.35V
3.61V
3.0V
4.5V
V
FB
3.0V
4.0V
3.6V~
3.2V
V
SoftS
t
t
0.32V
1.0V
V
CS
10.3V
V
VCC
t
t
500uA
I
VCC
t
2mA
V
OUT
t
Max. Ripple < 1%
Blanking Window
Current limit level
during Active Burst
Mode
Entering
Active Burst
Mode
Leaving
Active Burst
Mode
VCC Overvoltage
Auto Restart Mode I
Over temperature
Auto Restart Mode I
Overload
Auto Restart Mode II
Open Loop
Auto Restart Mode II
VCC Undervoltage
Auto Restart Mode II
Short Optocoupler
Auto Restart Mode II
C3
Spike
Blanking
8.0
us
Thermal Shutdown
T
j
>140°C
Auto
Restart
Mode
Internal
Bias
Control Unit
C13
20.5V
VCC
C4
4.5V
FB
4.0V
SoftS
&
G12
&
G13
FF2
R
S
Q
UVLO
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