參數(shù)資料
型號(hào): L6566A
廠商: 意法半導(dǎo)體
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: Multi-mode controller for SMPS with PFC front-end
中文描述: 多模式開(kāi)關(guān)電源控制器,PFC前端
文件頁(yè)數(shù): 43/51頁(yè)
文件大小: 410K
代理商: L6566A
L6566A
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. L6566A protections
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L6566B 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 Multi Mode PWM Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6566B_08 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Multi-mode controller for SMPS
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