參數(shù)資料
型號： L6566ATR
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)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(shù)： 36/51頁
文件大小： 646K
代理商： L6566ATR
L6566A
Application information
41/51
5.14
Summary of L6566A power management functions
It has been seen that the device is provided with a number of power management functions:
multiple operating mode upon loading conditions, protection functions, as well as interaction
with the PFC pre-regulator. To help the designer familiarize with these functions, in the
following tables all of theme are summarized with their respective activation mechanism and
the resulting status of the most important pins. This can be useful not only for a correct use
of the IC but also for diagnostic purposes: especially at prototyping/debugging stage, it is
quite common to bump into unwanted activation of some function, and these tables can be
used as a sort of quick troubleshooting guide.
Table 5.
L6566A light load management features
Feature Description
Caused
by
IC
behavior
Vcc_restart
(V)
Consump.
(Iqdis,mA)
VREF
(V)
SS
VCOMP
(V)
OSC
(V)
FMOD
Burst
mode
Controlled
ON-OFF
operation for
low power
consumption
at light load
VCOMP <
VCOMPBM
- Hys
Pulse
skipping
operation
N.A.
1.34mA
5
unchanged
VCOMPBM-
HYS to
VCOMPBM
0/1
0
PFC
manage
ment
PFC off at
light load, on
at heavy load
VCOMP <
VCOMPO
VCC_PFC =
0
N.A.
5
unchanged unchanged
1
0
VCOMP <
VCOMPL
VCC_PFC =
VCC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6566B 功能描述:開關(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 開關(guān)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(guān)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(shù)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(guān)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(shù)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(guān)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(shù)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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