NCP1200

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?PWM Controller, Fixed Frequency, Flyback, Current Mode

制造商：ON

中文數(shù)據(jù)手冊(cè)

產(chǎn)品信息

Housed in SO-8 or DIP-8 package, the NCP1200 represents a major leap toward ultra-compact Switch-Mode Power Supplies. Thanks to a novel concept, the circuit allows the implementation of a complete offline battery charger or a standby SMPS with few external components. Furthermore, an integrated output short-circuit protection lets the designer build an extremely low-cost AC/DC wall adapter associated with a simplified feedback scheme.
With an internal structure operating at a fixed 40 kHz, 60 kHz or 100 kHz, the controller drives low gate-charge switching devices like an IGBT or a MOSFET thus requiring a very small operating power. Thanks to current-mode control, the NCP1200 drastically simplifies the design of reliable and cheap offline converters with excellent audio- susceptibility and inherent pulse-by-pulse control.
When the current setpoint falls below a given value, e.g. the output power demand diminishes, the IC automatically enters the so-called skip cycle mode and provides excellent efficiency at light loads. Because this occurs at low peak current, no acoustic noise takes place.
Finally, the IC is self-supplied from the DC rail, eliminating the need of an auxiliary winding. This feature ensures operation in presence of low output voltage or shorts.

No Auxiliary Winding Operation
Internal Output Short-Circuit Protection
Extremely Low No-Load Standby Power
Current-Mode with Skip-Cycle Capability
Internal Leading Edge Blanking
250 mA Peak Current Source/Sink Capability
Internally Fixed Frequency at 40 kHz, 60 kHz and 100 kHz
Direct Optocoupler Connection
Built-in Frequency Jittering for Lower EMI
SPICE Models Available for TRANsient and AC Analysis
Internal Temperature Shutdown
Pb-Free Packages are Available

電路圖、引腳圖和封裝圖

NCP1200電路圖
NCP1200電路圖

在線購(gòu)買

型號(hào)	制造商	描述	購(gòu)買
NCP1200P40G	ON		立即購(gòu)買
NCP1200D100R2G	ON		立即購(gòu)買
NCP1200P60G	ON		立即購(gòu)買
NCP1200P100G	ON		立即購(gòu)買
NCP1200D40R2G	ON		立即購(gòu)買
NCP1200D60R2G	ON	用于低功耗通用離線電源的PWM電流模式控制器	立即購(gòu)買

技術(shù)資料

標(biāo)題	類型	大?。↘B）	下載
A Simple Low-Cost Non-Isolated Universal Input Off-Line Converter	PDF	139	點(diǎn)擊下載
PWM Controller, Fixed Frequency, Flyback, Current Mode	PDF	281	點(diǎn)擊下載
A 70 W Low Standby Power Supply w/NCP120x Series	PDF	178	點(diǎn)擊下載
Tips and Tricks to Build Efficient Circuits with NCP1200	PDF	139	點(diǎn)擊下載
Implementing Constant Current Constant Voltage AC Adapter by NCP1200 and NCP4300A	PDF	62	點(diǎn)擊下載
NCP1200 Design Worksheet	XLS	220	點(diǎn)擊下載
NCP1200 OrCAD Templates.zip	RAR	67	點(diǎn)擊下載
NCP1200 uCap Templates.zip	RAR	279	點(diǎn)擊下載

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NCP1200

中文數(shù)據(jù)手冊(cè)

產(chǎn)品信息

電路圖、引腳圖和封裝圖

在線購(gòu)買

技術(shù)資料

應(yīng)用案例更多案例

系列產(chǎn)品索引查看所有產(chǎn)品

天天干每天日夜夜操_国产激情剧情在线一区_九九影院理论片_337p日本大胆欧美人术艺术68_亞洲不卡中文字幕_欧美高清精品整片在线观看_日韩欧美久久网址_99精品一区二区视频

元器件商品{{ gnNumber + hkNumber }}

NCP1200

中文數(shù)據(jù)手冊(cè)

產(chǎn)品信息

電路圖、引腳圖和封裝圖

在線購(gòu)買

技術(shù)資料

應(yīng)用案例更多案例

系列產(chǎn)品索引查看所有產(chǎn)品

電路圖、引腳圖和封裝圖