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SG1843F/DESC中文资料美高森美数据手册PDF规格书
SG1843F/DESC规格书详情
Description
The SG1842/43 family of control ICs provides all the necessary features to implement off-line fixed frequency, current-mode switching power supplies with a minimum number of external components.
Current-mode architecture demonstrates improved
line regulation, improved load regulation, pulse-by pulse current limiting and inherent protection of the power supply output switch. The bandgap reference is trimmed to ±1 over temperature.
Features
▪ Optimized For Off-Line Control
▪ Low Start-Up Current (<1mA)
▪ Automatic Feed Forward Compensation
▪ Trimmed Oscillator Discharge Current
▪ Pulse-By-Pulse Current Limiting
▪ Enhanced Load Response Characteristics
▪ Under-Voltage Lockout with 6V Hysteresis (SG1842
only)
▪ Double-Pulse Suppression
▪ High-Current Totem-Pole Output (1A Peak)
▪ Internally Trimmed Bandgap Reference
▪ 500kHz Operation
▪ Undervoltage Lockout
SG1842 - 16 volts
SG1843 - 8.4 volts
▪ Low Shoot-Through Current <75mA Over
Temperature
Application
▪ Available To MIL-STD – 883, ¶ 1.2.1
▪ Available to DSCC
- Standard Microcircuit Drawing (SMD)
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MICROCHIP(美国微芯) |
23+ |
SOIC14 |
6000 |
诚信服务,绝对原装原盘 |
询价 | ||
SG |
CDIP |
899933 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MICROCHIP(美国微芯) |
1932+ |
SOIC-14 |
2789 |
向鸿优势仓库库存-绝对原装正品-不做假货! |
询价 | ||
3000 |
自己现货 |
询价 | |||||
SG |
2122+ |
CDIP |
11190 |
全新原装正品现货,优势渠道可含税,假一赔十 |
询价 | ||
LINFIN |
23+ |
DIP |
5000 |
原装正品,假一罚十 |
询价 | ||
Microchip Technology |
24+ |
14-SOIC(0.154,3.90mm 宽) |
9350 |
独立分销商,公司只做原装,诚心经营,免费试样正品保证 |
询价 | ||
微芯/美高森美 |
22+ |
NA |
500000 |
万三科技,秉承原装,购芯无忧 |
询价 | ||
MICROCHIP(美国微芯) |
2112+ |
SOIC-14 |
105000 |
100个/管一级代理专营品牌!原装正品,优势现货,长期 |
询价 | ||
SG |
22+ |
CDIP |
28600 |
只做原装正品现货假一赔十一级代理 |
询价 |