參數(shù)資料
型號(hào)： L6566BTR
廠商： 意法半導(dǎo)體
英文描述： Multi-mode controller for SMPS
中文描述： 多模式開(kāi)關(guān)電源控制器
文件頁(yè)數(shù)： 43/51頁(yè)
文件大?。?/td> 401K
代理商： L6566BTR
L6566B
Application information
43/51
It is worth reminding that “Auto-restart” means that the device will work intermittently as long
as the condition that is activating the function is not removed; “Latched” means that the
device is stopped as long as the unit is connected to the input power source and the unit
must be disconnected for some time from the source in order for the device (and the unit) to
restart. Optionally, a restart can be forced by pulling the voltage of pin 16 (AC_OK) below
0.45V.
Shutdown2
Shutdown
by V
COMP
low
V
COMP
<
V
COMPOFF
Latched
10
0.33
0
0
0
0
0
0
ADAPTIVE
UVLO
Shutdown
by V
cc
going
below V
ccoff
(lowering of
V
ccoff
threshold at
light load)
V
cc
< 9.4V
(
VCOMP
>
V
COMPL
)
Auto
restart
5V
0.18
mA
0
0
0
0
0
0
V
cc
< 7.2V
(
VCOMP
>
V
COMPO
)
1.
Use One external diode from V
FF
(#15) to AC_OK (#16), cathode to AC_OK
Use one external diode from SS (#14) to V
REF
(#10), cathode to V
REF
If C
ss
and the V
cc
capacitor are such that V
cc
falls below UVLO before latch tripping (
Figure 21 on page 34
)
If C
ss
and the Vcc capacitor are such that the latch is tripped before V
cc
falls below UVLO (
Figure 21 on page 34
)
When T
J
< 110
o
C
Discharged to zero by V
cc
going below UVLO
2.
3.
4.
5.
6.
Table 7. L6566B protections
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