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型号 功能描述 生产厂家 企业 LOGO 操作

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

STMICROELECTRONICS

意法半导体

Surge Clamping, Transient Overvoltage Suppressor Unidirectional

Description: The NTE4900 series of silicon Transient Suppressors designed to protect voltage sensitive components from high energy voltage transients. Transient over voltage suppressor devices have become very important as a consequence of their high surge capability, extremely fast response time

NTE

Progressive scan-Zoom and Noise reduction IC PROZONIC

GENERAL DESCRIPTION The Progressive scan-Zoom and Noise reduction IC, abbreviated as PROZONIC, is designed for applications together with: SAA4951WP Economy Controller (ECO3) SAA4952H (memory controller) SAA7158WP Back END IC (BENDIC) SAA4995WP PANorama IC (PANIC) SAA4970

PHILIPS

飞利浦

Progressive scan-Zoom and Noise reduction IC PROZONIC

GENERAL DESCRIPTION The Progressive scan-Zoom and Noise reduction IC, abbreviated as PROZONIC, is designed for applications together with: SAA4951WP Economy Controller (ECO3) SAA4952H (memory controller) SAA7158WP Back END IC (BENDIC) SAA4995WP PANorama IC (PANIC) SAA4970

PHILIPS

飞利浦

SERIAL I/O CALENDAR & CLOCK CMOS LSI

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

NEC

瑞萨

更新时间:2026-3-18 19:38:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
SHARP
25+
DIP
17500
原装现货 自家库存 欢迎来电
ST
2016+
DIP16
8567
只做原装,假一罚十,公司可开17%增值税发票!
ST
98+
DIP16
3560
全新原装进口自己库存优势
ST(意法)
23+
NA
20094
正纳10年以上分销经验原装进口正品做服务做口碑有支持
ST/意法
2450+
SOP16
8850
只做原装正品假一赔十为客户做到零风险!!
ST
25+
SOP-16
3200
全新原装、诚信经营、公司现货销售!
STM
2025+
SOP-16
3645
全新原厂原装产品、公司现货销售
ST/意法
9948+
DIP16
220
原装现货
ST
25+
SOP16W
3629
原装优势!房间现货!欢迎来电!
ST
17+
DIP16
60000
保证进口原装可开17%增值税发票

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    应用 笔记本电脑和亚笔记本电脑 笔顶和便携式设备 通信的计算机 描述 L4992是一个复杂的双PWM降压控制器和功率监视器用于笔记本电脑和/或电池供电设备。该设备生产的监管电源+3.3 V,+5.1 V和12V的电源在便携式使用和PCMCIA应用。内部架构允许操作最低数量的外部元件。一个非常高开关频率(200/300 kHz或外部可同步)优化其物理尺寸。同步整流和脉冲跳跃在降压模式优化整体部分效率在宽负载电流范围内(96%的效率@1A/5.1V和93%的效率@0.05A/5.1V。两个高性能的PWM控制器+3.3 V

    2013-2-18