位置:SG1845Y/DESC > SG1845Y/DESC详情

SG1845Y/DESC中文资料

厂家型号

SG1845Y/DESC

文件大小

216.09Kbytes

页面数量

12

功能描述

CURRENT MODE PWM CONTROLLER

数据手册

下载地址一下载地址二到原厂下载

生产厂商

MICROSEMI

SG1845Y/DESC数据手册规格书PDF详情

DESCRIPTION

The SG1844/45 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-bypulse current limiting and inherent protection of the power supply output switch.

KEY 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 (SG1844 only)

■ DOUBLE PULSE SUPPRESSION

■ HIGH-CURRENT TOTEM-POLE OUTPUT

■ INTERNALLY TRIMMED BANDGAP REFERENCE

■ 500kHz OPERATION

■ UNDERVOLTAGE LOCKOUT SG1844 - 16 volts SG1845 - 8.4 volts

■ LOW SHOOT-THROUGH CURRENT

更新时间:2025-10-17 9:55:00
供应商 型号 品牌 批号 封装 库存 备注 价格
MICROSEMI/美高森美
24+
CDIP8
12000
原装正品 有挂就有货
MICROSEMI
25+
DIP-8
1001
就找我吧!--邀您体验愉快问购元件!
Microsemi Corporation
22+
8CDIP
9000
原厂渠道,现货配单
MicrosemiCorporation
24+
8-CDIP
66800
原厂授权一级代理,专注汽车、医疗、工业、新能源!
Microsemi Corporation
24+
8-CDIP
65300
一级代理/放心采购
MICROSEMI/美高森美
23+
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
MSC
23+
CDIP8
668
优势渠道,百分之百货源稳定,欢迎来电咨询83972189
MICROSE
17+
CDIP-8
9988
全新原装现货,请联系18721787578唐先生
IR
24+
SMD
1680
IR专营品牌进口原装现货假一赔十
MSC
24+
N/A
90000
一级代理商进口原装现货、假一罚十价格合理