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型号 功能描述 生产厂家 企业 LOGO 操作

丝印代码:L4992;LM4992 420mW Stereo Cell Phone Audio Amplifier

1FEATURES 2• Available in Space-Saving WSON Package • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Network

TI

德州仪器

丝印代码:L4992;LM4992 420mW Stereo Cell Phone Audio Amplifier

1FEATURES 2• Available in Space-Saving WSON Package • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Network

TI

德州仪器

丝印代码:L4992;LM4992 420mW Stereo Cell Phone Audio Amplifier

1FEATURES 2• Available in Space-Saving WSON Package • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Network

TI

德州仪器

丝印代码:L4992;LM4992 420mW Stereo Cell Phone Audio Amplifier

1FEATURES 2• Available in Space-Saving WSON Package • Ultra Low Current Shutdown Mode • BTL Output Can Drive Capacitive Loads • Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions • 2.2 - 5.5V Operation • No Output Coupling Capacitors, Snubber Network

TI

德州仪器

L4992

TRIPLE OUTPUT POWER SUPPLY CONTROLLER

DESCRIPTION The L4992 is a sophisticated dual PWM stepdown controller and power monitor intended for Notebook computer and/or battery powered equipment. The device produces regulated +3.3V, +5.1V and 12V supplies for use in portable and PCMCIA applications. ■ DUAL PWM BUCK CONTROLLERS (3.3V and

STMICROELECTRONICS

意法半导体

L4992

TRIPLE OUTPUT POWER SUPPLY CONTROLLER

STMICROELECTRONICS

意法半导体

Silicon Bidirectional Switches(Diode Thyristors)

. . .designed for full-wave triggering in Triac phase controlcircuits, half-wave SCR triggeringapplication and as voltage level detectors. Supplied in an inexpensive plastic TO-226AA package for high-volumerequirements,this low-cost plastic package is readily adaptable for use in automatic inserti

MOTOROLA

摩托罗拉

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

Field and line rate converter with noise reduction

GENERAL DESCRIPTION The SAA4992H is a completely digital monolithic integrated circuit which can be used for field and line rate conversion of all global TV standards. FEATURES • Upconversion of all 1fHfilm and video standards up to 292 active input lines per field • 100/120 Hz 2

PHILIPS

飞利浦

8-Bit Parallel I/O Calendar Clock

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

8-Bit Parallel I/O Calendar Clock

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

L4992产品属性

  • 类型

    描述

  • 型号

    L4992

  • 制造商

    STMicroelectronics

  • 制造商

    STMicroelectronics

  • 功能描述

    VOLT SUPERVISOR CNTRLR 5.1V/3.3V 32TQFP - Trays

更新时间:2026-8-3 12:24:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
23+
LLP14
8560
受权代理!全新原装现货特价热卖!
TI/德州仪器
26+
原厂封装
15000
TI/德州仪器
25+
原厂封装
10280
原厂授权代理,专注军工、汽车、医疗、工业、新能源!
NS
24+
LLP14
4000
绝对原装现货 欢迎来电查询
TI/德州仪器
25+
原厂封装
10280
TI
25+
DFN-14-EP(3x4)
7786
原装正品现货,原厂订货,可支持含税原型号开票。
NS
25+
LLP14
15620
NS全新特价LM4992SD/NOPB即刻询购立享优惠#长期有货
NS/国半
23+
NA
13000
原厂授权一级代理,专业海外优势订货,价格优势、品种
NS
0624+
DFN14
3200
一级代理,专注军工、汽车、医疗、工业、新能源、电力
TI/德州仪器
26+
原厂封装
10280

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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

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