WMSIC Electronic Components

UMW HT7336-A HT7336

ModelHT7336-A
PackageSOT-89-3
BrandUMW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW HT7336-A
Type
UMW
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
80mV@(40mA)
Electronic Component
UMW
Electronic Component
HT7336-A
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.141g
Electronic Component
1
Electronic Component
BM0227708169
Operating Temperature
25℃~+70℃
Operating Voltage
12V
Output
Electronic Component
Output Voltage
3.6V
Output Current
250mA
Output Type
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

HT7336-A 产品概述

HT7336-A 是友台半导体(UMW)推出的一款高性能固定输出线性稳压器(LDO),为要求低静态电流与小封装、稳压性能优良的便携与分布式电源应用提供可靠的电压源。该器件输出固定 3.6V,适配 12V 工作电压的系统,封装为 SOT-89-3,输出电流可达 250mA,针对电池供电、手持设备和工业控制等应用场景进行了优化设计。

一、主要特点

  • 固定输出:3.6V,为常见模拟与数字模块供电提供稳定电压。
  • 输入/工作电压:面向 12V 工作电压系统设计,适合汽车低压附件与工业控制电源。
  • 低静态电流:典型静态电流(Iq)仅 3μA,极大降低待机功耗,利于电池寿命延长。
  • 较低压差:80mV(在 40mA 负载时),在中小电流条件下具有优良的低压差性能。
  • 输出电流能力:最高输出电流可达 250mA,满足多数模拟前端、传感器及小功率负载需求。
  • 输出极性:正极输出,适配常规正向供电架构。
  • 单通道设计:1 路固定输出,适合点式稳压需求。
  • 封装小巧:SOT-89-3 封装,兼顾散热与 PCB 布局空间节约。

二、典型应用场景

  • 电池供电设备与便携式终端(需要超低待机电流的场合)
  • 工业控制模块、传感器供电、仪表前端电源
  • 汽车附件与车载电子(基于 12V 总线的子系统)
  • 通信设备、消费电子与微控制器供电轨
  • 分布式点电源、备用与监控电源单元

三、关键电气性能(概要)

  • 输出电压:3.6V(固定)
  • 最大输出电流:250mA
  • 静态电流(Iq):3μA(典型)
  • 压差(dropout):80mV @ 40mA(典型)
  • 工作温度范围:-25℃ ~ +70℃
  • 输出极性:正极
  • 通道数:1 路
    注:上述为器件主要参数摘要,详细电气特性曲线、精度、温漂、电流限制与保护门限请参阅完整数据手册。

四、封装与引脚(SOT-89-3)

HT7336-A 提供 SOT-89-3 小型封装,兼顾较好的热阻与 PCB 占用面积,便于自动贴装与成本控制。
典型封装引脚排列(不同厂商封装引脚序号可能有所差异,请以数据手册为准):

  • 引脚 A:输入(Vin)
  • 引脚 B:接地(GND)
  • 引脚 C:输出(Vout)
    建议在设计时参考厂家样片与封装图纸确认引脚定义。

五、应用设计与布局建议

  • 输出电容:为了保证稳压器稳定性并优化瞬态响应,建议在输出端使用低 ESR 的陶瓷电容(如 1μF~10μF),靠近器件输出引脚布置。
  • 输入去耦:在输入端同样放置适当电容(例如 1μF~10μF)以抑制输入源阻抗带来的振荡或瞬态下降,特别是在长输入线或电源噪声较大场合。
  • 布线与散热:尽量增大输入与输出的铜箔面积以利于热流散发,SOT-89-3 封装在高负载或高温环境下需要考虑 PCB 散热策略。
  • 旁路与滤波:若系统对噪声敏感,可在输出端增加 RC 或 LC 滤波网络,但注意不会影响 LDO 的稳定性。

六、热管理与保护说明

  • 压差与功耗:在高输入输出压差与大负载电流时,器件功耗显著增加(Pd ≈ (Vin - Vout) × Iout),设计 PCB 时需考虑热耗散能力,避免超过器件结温限制。
  • 保护功能:多数 LDO 包括过流保护与热关断机制以防止损坏;具体限值与响应特性请参见详细资料并在系统级上做好过载防护设计。

七、使用注意事项

  • 在实际应用中,80mV 的压差仅在 40mA 条件下给出,随着输出电流升高,典型压差会增加;如需要在接近 250mA 输出下保持低压差,应进行实际测量评估。
  • 器件建议工作温度范围为 -25℃ 到 +70℃,高温环境请考虑热降额或改用更高温级器件。
  • 如对输出精度、噪声、瞬态响应或外部调整能力有特殊要求,请获取完整数据手册并与应用工程师沟通。

八、订购与技术支持

HT7336-A 由 UMW(友台半导体)提供,标准供应于 SOT-89-3 封装。欲获取样片、批量采购信息或设计资料(完整数据手册、SPICE 模型、评估板布局建议),请联系供应商或访问友台半导体官网获取最新资料与技术支持。

总结:HT7336-A 以其超低静态电流、较低压差与小封装为特征,是面向 12V 系统中需要 3.6V 稳压、低待机功耗及简洁 PCB 布局的优秀选择。设计时应关注热管理与输出电容匹配以确保长期可靠运行。

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