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  • RY8336 30V 3A 500KHz Synchronous Step-Down Regulator

    RY8336 30V 3A 500KHz Synchronous Step-Down Regulator

    The RY8336 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 3A continuous current over a wide input supply range, with excellent load and line regulation. The RY8336 requires a minimal number of readily available, external components and is available in a space saving ESOP8 package.
  • RY8320 30V 2A 500KHz Synchronous Step-Down Regulator

    RY8320 30V 2A 500KHz Synchronous Step-Down Regulator

    The RY8320 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous current over a wide input supply range,with excellent load and line regulation. The RY8320 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package
  • RY8510 Standoff 50V 1A 850KHz Sync Step-Down Regulator

    RY8510 Standoff 50V 1A 850KHz Sync Step-Down Regulator

    The RY8510 device is high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, it issuitable for a wide range of applications, such as power conditioning from unregulated sources. It features a lowRDSON (500mΩ/300mΩ typical) internal switch for maximum efficiency (92% typical). Supports PSM mode, theoperating frequency is fixed at 850kHz, allowing the use of small external components while still being able to havelow output voltage ripple. With OVP function, the IC can stand off input voltage as high as 50V
  • RY8411 Standoff 42V 1.2A 800KHz Sync Step-Down Regulator

    RY8411 Standoff 42V 1.2A 800KHz Sync Step-Down Regulator

    The RY8411 device is high-efficiency, synchronous step-down DC/DC regulators. With a wide input range, it is suitable for a wide range of applications, such as power conditioning from unregulated sources. It features a lowRDSON(250mΩ/150mΩ typical) internal switch for maximum efficiency (92% typical). Supports PSM mode, theoperating frequency is fixed at 800kHz, allowing the use of small external components while still being able to havelow output voltage ripple. With OVP function, the IC can stand off input voltage as high as 42V.
  • 功率MOS管应用指南:破解参数选择、导通时间与散热设计难题

    功率MOS管应用指南:破解参数选择、导通时间与散热设计难题

    在电源转换、工业控制、汽车电子等领域,功率MOS管是实现高效功率控制的核心器件。然而,工程师在应用中常遇到参数选择、导通时间计算、PCB散热设计等问题,影响设计效率与系统可靠性。合科泰作为专注半导体模拟芯片与分立器件的国家级高新技术企业,结合多年技术经验与全流程品质管控能力,针对这些高频问题总结解答,助力工程师快速突破设计难点。
  • RY8310 30V 1A 1.4MHz Synchronous Step-Down Regulator

    RY8310 30V 1A 1.4MHz Synchronous Step-Down Regulator

    The RY8310 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 1A continuous current over a wide input supply range, with excellent load and line regulation. The RY8310 requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.
  • SLM6900 开关型多节多类型锂电池充电电路

    SLM6900 开关型多节多类型锂电池充电电路

    SLM6900是一款支持多节多类型锂电池或磷酸铁锂电池的充电电路,它预置了三节和四节锂电池充电模式,同时也支持通过外围分压电阻调节的其它输出电压模式。它是采用300kHz固定频率的同步降压型转换器,因此具有很高的充电效率,自身发热量极小。 SLM6900包括完整的充电终止电路、自动再充电和一个精确度达±1.0%的充电电压控制电路,内部集成了输入低电压保护、输出短路保护、电池温度保护等多种功能。 SLM6900采用TSSOP-14L封装,外围应用简单,作为大容量电池的高效充电器。
  • NS4054 线性锂离子电池充电管理 IC

    NS4054 线性锂离子电池充电管理 IC

    NS4054 是一款 4.2V 单节锂电池充电管理芯片。采用三段式充电过程,即涓流、恒流和恒压三个充电阶段。芯片还支持 0VBAT 浮充。充电电流可以通过 RPROG电阻设定。芯片较少的外部元件数目使得 NS4054 成为便携式应用的理想选择。 NS4054 内置有防反接电路模块,在电池反接时不会损坏芯片。同时芯片内置有过温保护功能,在芯片温度过高时会自动调节充电电流,以便在大功率操作或高环境温度条件下对芯片温度加以限制。
  • SLM6600(S) 3A 同步降压型锂电池充电 IC

    SLM6600(S) 3A 同步降压型锂电池充电 IC

    SLM6600(S) 是一款面向5V适配器的3A锂离子 电池充电器。它是采用800KHz固定频率的同步降压型转换器,具有高达92%以上的充电效率,自身发热量极小。 SLM6600(S)包括完整的充电终止电路、自动再充电和一个精确度达±1%的4.2V预设充电电压,内部集成了防反灌保护、输出短路保护、芯片及电池温度保护等多种功能。 SLM6600(S)采用带散热片的SOP8封装,并且只需极少的外围元器件,因此能够被嵌入在各种手持式应用中,作为大容量电池的高效充电器。
  • PMOS 和 NMOS 的区别及其在实际应用中的选择

    PMOS 和 NMOS 的区别及其在实际应用中的选择

    PMOS(正极性金属氧化物半导体)和 NMOS(负极性金属氧化物半导体)是两种基本的 MDD辰达半导体的场效应晶体管(FET),它们的结构、工作原理和应用都有显著的差异。理解这两种晶体管的特点以及如何选择它们,在实际的电子设计和电路调试中非常重要,尤其是在高频、高效能电路和集成电路中。
    2025-11-24 1788 关键词: PMOS NMOS 场效应晶体管 工作原理 应用场景
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