SG1842数据手册集成电路(IC)的ACDC转换器离线开关规格书PDF

厂商型号 |
SG1842 |
参数属性 | SG1842 封装/外壳为8-CDIP(0.300",7.62mm);包装为管件;类别为集成电路(IC)的ACDC转换器离线开关;产品描述:IC OFFLINE SWITCH FLYBACK 8CDIP |
功能描述 | Current Mode PWMs Isolated Switching Regulators Off-line, 16V UVLO-55°C to125°C |
封装外壳 | 8-CDIP(0.300",7.62mm) |
制造商 | Microchip Microchip Technology |
中文名称 | 微芯科技 微芯科技股份有限公司 |
数据手册 | |
更新时间 | 2025-8-7 23:00:00 |
人工找货 | SG1842价格和库存,欢迎联系客服免费人工找货 |
SG1842规格书详情
描述 Description
The SG1842/43 family of control IC's 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 band-gap reference is trimmed to ±1% over temperature. Oscillator discharge current is trimmed to less than ±10%. The SG1842/43 has under-voltage lockout, current limiting circuitry and start-up current of less than 1mA. The totem-pole output is optimized to drive the gate of a power MOSFET. The output is low in the off state to provide direct interface to an N-channel device. The SG1842/43 is specified for operation over the full military ambient temperature range of -55°C to 125°C. The SG2842/43 is specified for the industrial range of -25°C to 85°C, and the SG3842/43 is designed for the commercial range of 0°C to 70°C.Microchip Ordering Part Standard Microcircuit Drawing (SMD) SG1842Y-DESC Cross Reference 5962-8670401PASG1842Y-DESC Cross Reference 5962-8670401PX
特性 Features
Optimized For Off-Line Control
Low Start-Up Current (Automatic Feed Forward Compensation
Trimmed Oscillator Discharge Current
Pulse-By-Pulse Current Limiting
Enhanced Load Response Characteristics
Under-Voltage Lockout with 6V Hysteresis (SG1842only)
Double-Pulse Suppression
High-Current Totem-Pole Output (1A Peak)
Internally Trimmed Band-gap Reference
500kHz Operation Under-voltage Lockout: SG1842 - 16 volts, SG1843 - 8.4 volts
Low Shoot-Through Current <75mA Over Temperature
简介
SG1842属于集成电路(IC)的ACDC转换器离线开关。由制造生产的SG1842AC DC 转换器,离线开关该系列是元器件级控制产品,用于构建将交流市电转换为直流电(通常电压大幅降低)的设备。集成和未集成系统主要开关元件的器件均包括在内。由于高输入输出电压比,以及此类系统中通常需要隔离,这些器件通常与外部变压器配合使用。尽管通常使用定制变压器来实现此用途,但也有许多专门用于此用途的库存产品,请参见“开关转换器,SMPS 变压器”标题。
技术参数
更多- 产品编号:
SG1842Y-883B
- 制造商:
Microchip Technology
- 类别:
集成电路(IC) > AC DC 转换器,离线开关
- 系列:
Military, MIL-STD-883B
- 包装:
管件
- 输出隔离:
隔离
- 内部开关:
无
- 拓扑:
反激
- 电压 - 供电 (Vcc/Vdd):
10V ~ 30V
- 占空比:
95%
- 频率 - 开关:
100Hz ~ 500kHz
- 故障保护:
限流
- 控制特性:
频率控制
- 工作温度:
-55°C ~ 125°C(TA)
- 封装/外壳:
8-CDIP(0.300",7.62mm)
- 供应商器件封装:
8-CDIP
- 安装类型:
通孔
- 描述:
IC OFFLINE SWITCH FLYBACK 8CDIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
LINFINITY |
24+ |
NA/ |
3303 |
原厂直销,现货供应,账期支持! |
询价 | ||
LINFINITY |
23+ |
NA |
20000 |
全新原装假一赔十 |
询价 | ||
MSC |
专业铁帽 |
CDIP8 |
67500 |
铁帽原装主营-可开原型号增税票 |
询价 | ||
LINFINITY |
1738+ |
CDIP8 |
8529 |
科恒伟业!只做原装正品,假一赔十! |
询价 | ||
LINFINTY |
9642 |
15 |
公司优势库存 热卖中! |
询价 | |||
LINFINITY |
24+ |
DIP |
6232 |
公司原厂原装现货假一罚十!特价出售!强势库存! |
询价 | ||
TI |
2020+ |
CDIP8 |
2200 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
MICROSEMI/美高森美 |
25+ |
* |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
LINFINITY |
24+ |
CDIP-8 |
12000 |
原装正品 有挂就有货 |
询价 | ||
LINFINTY |
CDIP8 |
68500 |
一级代理 原装正品假一罚十价格优势长期供货 |
询价 |