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位置：首页 > IC中文资料第985页 > L4945

型号 功能描述 生产厂家 企业 LOGO 操作
L4945

5V VERY LOW DROP VOLTAGE REGULATOR

DESCRIPTION The L4945 is a monolithic integrated circuit in Versawatt package specially designed to provide a stabilized supply voltage for automotive and in dustrial electronic systems. Thanks to their very low voltage drop, in automotive applications the devices can work correctly even during

STMICROELECTRONICS

意法半导体

L4945

封装/外壳：TO-220-3 包装：卷带（TR）剪切带（CT） 描述：IC REG LINEAR 5V 500MA TO220AB 集成电路（IC） 线性 + 开关稳压器

STMICROELECTRONICS

意法半导体

L4945

封装/外壳：TO-220-3 包装：卷带（TR）剪切带（CT） 描述：IC REG LINEAR 5V 500MA TO220AB 集成电路（IC） 稳压器 - 线性

STMICROELECTRONICS

意法半导体

L4945

5V VERY LOW DROP VOLTAGE REGULATOR

STMICROELECTRONICS

意法半导体

LM49450SQ/NOPB

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQ/NOPB.A

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQSLASHNOPB

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQSLASHNOPB.A

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQX/NOPB

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQX/NOPB.A

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQXSLASHNOPB

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

LM49450SQXSLASHNOPB.A

丝印代码：L49450；LM49450 Boomer ™ I2S Input, 2.5W/Channel, Low EMI, Stereo, Class D Audio Sub- System with Ground Referenced Headphone Amplifier, 3D Enhancement, and Headphone Sense

1FEATURES 23• 24–Bit Stereo DAC • Stereo Filterless Class D Operation • Selectable Spread Spectrum Mode Reduces EMI • Ground Referenced Headphone Amplifiers with 100dB SNR • I2S Compatible Audio Interface • Audio Sample Rates up to 192kHz • TI’s 3D Enhancement • 32-Step Digital Volume Co

TI

德州仪器

SAA4945H

LIne MEmory noise Reduction IC LIMERIC

GENERAL DESCRIPTION The SAA4945H, LIMERIC (LIne MEmory noise Reduction IC) is a 2-D recursive noise reduction filter for both luminance and colour difference signals. The noise reduction is automatically adapted to the global noise level in the image. Ten different preferences of noise reduction

PHILIPS

飞利浦

TLE4945

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications TLE 4905/35/35-2/45-2 (Unipolar/Bipolar Magnetic Field Switches) have been designed specifically for automotive and industrial applications. Reverse polarity protection is included on-chip as is output protection against negative v

INFINEON

英飞凌

TLE4945

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications TLE 4905/35/35-2/45/45-2 L (Unipolar/Bipolar Magnetic Field Switches) have been designed specifically for automotive and industrial applications. Reverse polarity protection is included on-chip as is output protection against negat

INFINEON

英飞凌

TLE4945L

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications

Uni- and Bipolar Hall IC Switches for Magnetic Field Applications TLE 4905/35/35-2/45/45-2 L (Unipolar/Bipolar Magnetic Field Switches) have been designed specifically for automotive and industrial applications. Reverse polarity protection is included on-chip as is output protection against negat

INFINEON

英飞凌

L4945产品属性

  • 类型

    描述

  • 型号

    L4945

  • 功能描述

    低压差稳压器 - LDO 5.0V 0.5A Positive

  • RoHS

    否

  • 制造商

    Texas Instruments

  • 最大输入电压

    36 V

  • 输出电压

    1.4 V to 20.5 V

  • 回动电压（最大值）

    307 mV

  • 输出电流

    1 A

  • 负载调节

    0.3 %

  • 输出类型

    Fixed

  • 最大工作温度

    + 125 C

  • 安装风格

    SMD/SMT

  • 封装/箱体

    VQFN-20

L4945供应商更多...

更新时间：2026-5-15 20:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
深圳市得捷芯城科技有限公司
L4945
STMicroelectronics
25+
N/A
11580
正规渠道,免费送样。支持账期,BOM一站式配齐
询价
深圳市创新迹电子有限公司
L4946AC
LITEON/光宝
22+
SOP8
20000
公司只做原装 品质保证
询价
深圳市宏世佳电子科技有限公司
L4947
STM
2025+
TO220
3645
全新原厂原装产品、公司现货销售
询价
深圳市威雅利发展有限公司
L4946AC
LITEON/光宝
20+
SOP8
2500
一级代理,专注军工、汽车、医疗、工业、新能源、电力
询价
深圳市腾亿芯科技有限公司
L4945V5
ST
25+
TO220
20000
原装，请咨询
询价
深圳市正纳电子有限公司
L4947
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
询价
深圳诚思涵科技有限公司
L4945
STMicroelectronics
18+
ICREGLDO5V0.5ATO220AB
6800
公司原装现货
询价
深圳市壹芯创科技有限公司
L4945
ST
22+
TO-220
5000
原装现货库存.价格优势!!
询价
深圳市诚利顺电子科技有限公司
L4945
ST/意法
22+
N
30000
十七年VIP会员,诚信经营，一手货源，原装正品可零售！
询价
上海金庆电子技术有限公司
L4946SQ
NS
14+
QFN24
86
全新 发货1-2天
询价

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L4945规格书下载地址

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  • L432-1.24V低电压可调节精密并联稳压器

    概述 该L432是三端可调分流稳压器利用一个精确的1.24V带隙参考。输出电压可设置为任何至1.24V电压（VREF）值二至18V外部电阻所示的典型应用电路。该设备展宽工作电流范围为0.2至100妈典型的动态阻抗0.25Ω。主动输出电路提供了一个非常尖锐的开启特性，使得L432优良替代品低压齐纳二极管许多应用，包括板上调节可调电源。当与光耦合器使用，L432是理想的电压基准，个别反馈电路为3.3V开关式电源。并联稳压器的L432是两个可用（0.5％和1.0％）和三个电压公差封装选择（的TO -92，采用SOT-23 - 3和SO- 8）。 特征

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  • L4946B-QUAD与抑制和复位电压稳压器

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  • L4940-非常低的压差1.5 A调节剂

    特点 精密5 V，8.5 V，10 V，12 V输出 LOWDROPOUT电压（500 mV典型值在1.5A） VERYLOW QUIESCENTCURRENT 热关断 短路保护 REVERSEPOLARITY保护 说明 该三端积极L4940系列监管机构在TO -220和D2PAK可用包和几个固定的输出电压，使得在工业和多种有用消费应用。由于其非常低输入/输出电压下降，这些设备特别适合电池供电设备，降低消耗和延长电池寿命。每种类型员工内部电流限制，抗饱和电

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