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SG1842数据手册集成电路(IC)的ACDC转换器离线开关规格书PDF

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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
IC OFFLINE SWITCH FLYBACK 8CDIP

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

原厂下载下载地址下载地址二

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:

  • 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