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參數資料
| 型號： | FAN6755WMY |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, 68 kHz SWITCHING FREQ-MAX, PDSO7 |
| 封裝： | 0.150 INCH, GREEN, MS-012AA, SOIC-7 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 939K |
| 代理商： | FAN6755WMY |
June 2011
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6755W / FAN6755UW Rev. 1.0.5
FAN6755W
/
FAN6755UW
—
mWSaver
Controller
FAN6755W / FAN6755UW
mWSaver
PWM Controller
Features
mWSaver Technology Provides Industry’s Best-in-
Class Standby Power
o
<100mW at 25mW Load for LCDM Adaptor
o
Internal High-Voltage JFET Startup
o
Low Operating Current Maximum: 2mA
o
Adaptive Decreasing of PWM Frequency to
23KHz at Light-Load Condition, Improved
Light-Load Efficiency
o
Feedback Impedance Switching During
Minimum Load or No Load
Proprietary Asynchronous Frequency Hopping
Reduced EMI
Fixed PWM Frequency: 65KHz (FAN6755W),
130KHz (FAN6755UW)
Internal Leading-Edge Blanking
Built-in Synchronized Slope Compensation
Auto-Restart Protection: Feedback Open-Loop
Protection (OLP), VDD Over-Voltage Protection
(OVP), Over-Temperature Protection (OTP), and
Line Over-Voltage Protection
Soft Gate Drive with Clamped Output Voltage: 18V
V
DD Under-Voltage Lockout (UVLO)
Programmable Constant Power Limit (Full AC
Input Range)
Internal OTP Sensor with Hysteresis
Build-in 5ms Soft-Start Function
Input Voltage Sensing (V
IN Pin) for Brown-In/Out
Protection with Hysteresis and Line Over-Voltage
Protection
Applications
General-purpose switched-mode power supplies and
flyback power converters, including:
LCD Monitor Power Supply
Open-Frame SMPS
Description
This highly integrated PWM controller provides several
features to enhance the performance of flyback
converters.
To minimize standby power consumption, a proprietary
adaptive
green-mode
function
reduces
switching
frequency at light-load condition. To avoid acoustic-
noise problems, the minimum PWM frequency is set
above 23kHz. This green-mode function enables the
power supply to meet international power conservation
requirements, such as Energy Star
. With the internal
high-voltage startup circuitry, the power loss caused by
bleeding resistors is also eliminated. To further reduce
power consumption, FAN6755W/UW uses the BiCMOS
process, which allows an operating current of only 2mA.
The standby power consumption can be under 100mW
for most of LCD monitor power supply designs.
FAN6755W/UW integrates a frequency-hopping function
that reduces EMI emission of a power supply with
minimum line filters. Its built-in synchronized slope
compensation achieves a stable peak-current-mode
control and improves noise immunity. The proprietary,
external line compensation ensures constant output
power limit over a wide AC input voltage range from
90VAC to 264VAC.
FAN6755W/UW provides many protection functions.
The internal feedback open-loop protection circuit
protects the power supply from open feedback loop
condition or output short condition. It also has line
under-voltage protection (brownout protection) and over-
voltage protection using an input voltage sensing pin
(VIN).
FAN6755W/UW is available in a 7-pin SOP package.
ENERGY STAR is a registered trademark of the U.S. Department of Energy and the U.S. Environmental Protection Agency.
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相關代理商/技術參數 |
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|---|---|
| FAN6756 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:FAN6756a?? mWSavera?￠ PWM Controller |
| FAN6756AHLMX | 制造商:Fairchild Semiconductor Corporation 功能描述:IC PWM MWSAVER CTLR 8SOIC 制造商:Fairchild Semiconductor Corporation 功能描述:TAPE REEL / mWSaver PWM Controller, 80K/100KHz Frequency |
| FAN6756AMLMY | 功能描述:電流型 PWM 控制器 2.5A Output Current GateDrive Optocopler 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 |
| FAN6756AMRMY | 功能描述:電流型 PWM 控制器 2.5A Output Current GateDrive Optocopler 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 |
| FAN6756HLMX | 制造商:Fairchild Semiconductor Corporation 功能描述:IC |
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