SG1843Y中文资料PDF规格书
SG1843Y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)
产品属性
- 产品编号:
SG1843Y
- 制造商:
Microchip Technology
- 类别:
集成电路(IC) > PMIC - 稳压器 - DC DC 开关式控制器
- 包装:
管件
- 输出类型:
晶体管驱动器
- 功能:
降压
- 输出配置:
正
- 拓扑:
降压
- 输出阶段:
1
- 电压 - 供电 (Vcc/Vdd):
7.6V ~ 30V
- 频率 - 开关:
1Hz ~ 500kHz
- 占空比(最大):
95%
- 同步整流器:
无
- 时钟同步:
无
- 工作温度:
-55°C ~ 125°C(TA)
- 安装类型:
通孔
- 封装/外壳:
8-CDIP(0.300",7.62mm)
- 供应商器件封装:
8-CDIP
- 描述:
IC REG CTRLR BUCK 8CDIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MSC |
CDIP8 |
699839 |
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 | |||
MSC |
589220 |
16余年资质 绝对原盒原盘 更多数量 |
询价 | ||||
LINFINITY |
QQ咨询 |
DIP-8 |
827 |
全新原装 研究所指定供货商 |
询价 | ||
LINFINITY |
23+ |
CERDIP-8 |
7000 |
绝对全新原装!100%保质量特价!请放心订购! |
询价 | ||
MCP |
63 |
公司优势库存 热卖中!!! |
询价 | ||||
LINFIN |
23+ |
QFP |
18000 |
询价 | |||
MSC |
2122+ |
CDIP8 |
11190 |
全新原装正品现货,优势渠道可含税,假一赔十 |
询价 | ||
LINFINITY |
24+ |
DIP |
15000 |
全新原装现货假一赔十 |
询价 | ||
LINFINITY |
22+/23+ |
DIP |
9800 |
原装进口公司现货假一赔百 |
询价 | ||
LINFIN |
23+ |
DIP |
5000 |
原装正品,假一罚十 |
询价 |