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參數資料
型號: L6566ATR
廠商: STMICROELECTRONICS
元件分類: 穩壓器
英文描述: 0.8 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, SOP-16
文件頁數: 38/51頁
文件大小: 646K
代理商: L6566ATR
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
0.45 V.
Protection
Description
Caused by
IC
behavior
Vcc
restart
(V)
IC Iq
(mA)
VREF
(V)
SS
VCOMP
(V)
OSC
(V)
FMOD
VFF
ADAPTIVE
UVLO
Shutdown
by Vcc going
below Vccoff
(lowering of
Vccoff
threshold at
light load)
Vcc < 9.4V
(VCOMP >
VCOMPL)
Auto
restart
5V
0.18
mA
00
0
Vcc < 7.2V
(VCOMP >
VCOMPO)
1.
Use One external diode from VFF (#15) to AC_OK (#16), cathode to AC_OK
2.
Use one external diode from SS (#14) to VREF (#10), cathode to VREF
3.
If Css and the Vcc capacitor are such that Vcc falls below UVLO before latch tripping (Figure 21 on page 34)
4.
If Css and the Vcc capacitor are such that the latch is tripped before Vcc falls below UVLO (Figure 21 on page 34)
5.
When TJ < 110
oC
6.
Discharged to zero by Vcc going below UVLO
Table 6.
L6566A protections (continued)
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相關代理商/技術參數
參數描述
L6566B 功能描述:開關變換器、穩壓器與控制器 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6566B_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multi-mode controller for SMPS
L6566BH 功能描述:電流型 PWM 控制器 Multimode Controller SMPS 800V <3mA RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
L6566BHTR 功能描述:電流型 PWM 控制器 MULTIMODE CONTROLLER SMPS 8V 3 mA RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
L6566BTR 功能描述:電流型 PWM 控制器 MultiMode Controller for SMPS RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
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