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L4990A

PRIMARY CONTROLLER

DESCRIPTION This primary controller I.C., developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM control ler this device includes some features as programmable

文件:322.27 Kbytes 页数:24 Pages

STMICROELECTRONICS

意法半导体

L4990AD

PRIMARY CONTROLLER

DESCRIPTION This primary controller I.C., developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM control ler this device includes some features as programmable

文件:322.27 Kbytes 页数:24 Pages

STMICROELECTRONICS

意法半导体

L4990D

PRIMARY CONTROLLER

DESCRIPTION This primary controller I.C., developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM control ler this device includes some features as programmable

文件:322.27 Kbytes 页数:24 Pages

STMICROELECTRONICS

意法半导体

LM4990

2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level

文件:728.93 Kbytes 页数:19 Pages

NSC

国半

LM4990

2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level

文件:1.2779 Mbytes 页数:28 Pages

TI

德州仪器

详细参数

  • 型号:

    L4990A

  • 制造商:

    STMICROELECTRONICS

  • 制造商全称:

    STMicroelectronics

  • 功能描述:

    PRIMARY CONTROLLER

供应商型号品牌批号封装库存备注价格
ST
98+
DIP16
3560
全新原装进口自己库存优势
询价
24+
DIP
75
询价
ST
05+
原厂原装
12051
只做全新原装真实现货供应
询价
ST
2016+
DIP16
8567
只做原装,假一罚十,公司可开17%增值税发票!
询价
ST
10+
DIP-16
7800
全新原装正品,现货销售
询价
ST
25+
DIP16
99
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
ST
16+
DIP16
8000
原装现货请来电咨询
询价
ST
25+
DIP18
18000
原厂直接发货进口原装
询价
ST
24+
DIP
4652
公司原厂原装现货假一罚十!特价出售!强势库存!
询价
ST
17+
DIP16
9988
只做原装进口,自己库存
询价
更多L4990A供应商 更新时间2026-1-20 18:11:00