CM3843中文资料PDF规格书
CM3843规格书详情
[[Champion Microelectronic Corp.]
GENERAL DESCRIPTION
The CM3842/43 are fixed frequency current-mode PWM controllers specially designed for OFF-Line switching power supply and DC-to-DC converters with a minimum number of external components. These devices feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem pole output which is suitable for driving MOSFETs.
FEATURES
◆ Low Start-Up current ( typ. 200µA)
◆ Optimized for Off-Line and DC-to-DC Converters
◆ Maximum Duty Cycle
◆ U.V.L.O. with Hysteresis
◆ Operating Frequency Up to 500KHz
◆ Internal Trimmed Bandgap Reference
◆ High Current Totem Pole Output
◆ Error Amplifier With Low Output Resistance
◆ Available in 8-Pin Plastic DIP and Surface Mount 8-Pin S.O.I.C.
APPLICATIONS
◆ Off-line flyback or forward converters.
◆ DC-to-DC buck or boost converter.
◆ Monitor Power Supply]
产品属性
- 型号:
CM3843
- 功能描述:
CURRENT MODE PWM CONTROLLER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
CM |
22+ |
SOP-8 |
100000 |
代理渠道/只做原装/可含税 |
询价 | ||
CM |
23+ |
DIP-14/瓷封 |
18000 |
询价 | |||
CHAMPION |
20+/21+ |
SOP-8 |
7850 |
全新原装进口价格优势 |
询价 | ||
CM |
22+ |
SOP-8 |
354000 |
询价 | |||
CHAMPION |
2016+ |
SOP8 |
6528 |
只做进口原装现货!假一赔十! |
询价 | ||
C |
23+ |
DIP8 |
20000 |
原装正品 欢迎咨询 |
询价 | ||
C |
23+ |
NA/ |
60 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
询价 | ||
CHAMPION |
22+ |
DIP-8 |
2800 |
原装现货!可长期供货! |
询价 | ||
CM |
2315+ |
3.9MM |
3886 |
优势代理渠道,原装现货,可全系列订货 |
询价 | ||
CM |
21+ROHS |
DIP |
10000 |
原厂授权一级代理,专业海外优势订货,价格优势、品种 |
询价 |