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參數(shù)資料
| 型號(hào)： | L6566A |
| 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(yè)數(shù)： | 1/51頁(yè) |
| 文件大?。?/td> | 646K |
| 代理商： | L6566A |
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December 2008
Rev 3
1/51
51
L6566A
Multi-mode controller for SMPS with PFC front-end
Features
■ Selectable multi-mode operation:
fixed frequency or quasi-resonant
■ On-board 700 V high-voltage start-up
■ Advanced light load management
■ Low quiescent current (< 3 mA)
■ Adaptive UVLO
■ Line feedforward for constant power capability
vs mains voltage
■ Pulse-by-pulse OCP, shutdown on overload
(latched or autorestart)
■ Transformer saturation detection
■ Switched supply rail for PFC controller
■ Latched or autorestart OVP
■ Brownout protection
■ -600/+800 mA totem pole gate driver with
active pull-down during UVLO
■ SO16N package
Applications
■ Notebook, TV and LCD monitors adapters
■ High power chargers
■ PDP/LCD TV
■ Consumer appliances, like DVD, VCR, set-top
box
■ IT equipment, games, aux. power supplies
■ Power supplies in excess of 150 W
SO16N
Figure 1.
Block diagram
+
-
+
-
ZERO CURRENT
DETECTOR
50 mV
100 mV
VCC
9
15
7
ZCD
COMP
VFF
CS
GD
4
11
GND
3
LINE VOLTAGE
FEEDFORWARD
1.5 V
+
-
+
-
4.5V
DIS
8
LATCH
LEB
14V
Reference
voltages
5
VCC
10
Internal supply
VREF
UVLO
VOLTAGE
REGULATOR
&
ADAPTIVE UVLO
Vcc_PFC
6
IC_LATCH
DISABLE
UVLO
IC_LATCH
Q
12
+
-
AC_FAIL
13
AC_FAIL
UVLO_SHF
VCC
5.7V
1
HV
SOFT-START
&
FAULT MNGT
14
SS
OSC
MODE/SC
+-
OSCILLATOR
R
S
Q
MODE SELECTION
&
TURN-ON LOGIC
OVERVOLTAGE
PROTECTION
7.7V
OCP
PWM
TIME
OUT
TIME
OUT
+
-
Vth
BURST-MODE
LOW CLAMP
& DISABLE
OFF2
Icharge
Hiccup-mode
OCP logic
400 uA
DRIVER
OCP2
+
-
6.4V
VCC
1mA
OVPL
OVP
OVPL
OVP
OCP2
+
-
0.450V
0.485V
AC_OK
16
15 A
3V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6566A_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multi-mode controller for SMPS with PFC front-end |
| L6566ATR | 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 | 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: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(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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