WMSIC Electronic Components

TECH PUBLIC AP3410KTR-TP AP3410KTR

ModelAP3410KTR-TP
PackageSOT-23-5
BrandTECH PUBLIC
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TECH PUBLIC AP3410KTR-TP
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
AP3410KTR-TP
Electronic Component
1
Package
SOT-23-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.041g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0264494163
Operating Temperature
40℃~+125℃
Operating Voltage
2.5V~5.5V
Switching Frequency
1.5MHz
Electronic Component
Electronic Component
Output Current
1.2A

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

AP3410KTR-TP 异步降压型DC-DC转换器产品概述

一、产品定位与核心身份

AP3410KTR-TP是台舟电子(TECH PUBLIC)推出的异步降压式DC-DC转换器,专为低功耗、小体积、宽温环境的电源设计需求打造。其核心定位是为便携式电子、工业控制、物联网终端等场景提供高效、稳定的降压供电方案,依托SOT-23-5超小封装实现高密度集成,同时兼顾宽输入电压范围与高输出电流能力。

二、关键电气参数解析

AP3410KTR-TP的核心参数精准匹配多场景需求,关键指标如下:

  • 输入电压范围:2.5V~5.5V,覆盖锂电池(3.7V典型值)、USB 5V电源、低压线性电源等常见输入源;
  • 输出电流能力:连续输出1.2A,满足多数便携式设备(如智能手环、蓝牙耳机)、小型工业模块的功率需求;
  • 开关频率:1.5MHz固定频率,可选用小体积电感(10~22μH)与陶瓷电容,大幅缩小PCB占用面积;
  • 静态电流(Iq):150μA(典型值),轻载或待机状态下有效降低功耗,延长电池续航;
  • 工作温度范围:-40℃~+125℃,符合工业级温度标准,适配户外设备、车载辅助模块等严苛环境;
  • 拓扑与整流:异步降压拓扑,内置高压侧MOSFET,仅需外接续流二极管实现续流(无需外置开关管,简化设计);
  • 输出特性:单通道可调输出,通过反馈端(FB)外接分压电阻可设置目标电压(如3.3V、2.5V等)。

三、SOT-23-5封装与引脚功能

AP3410KTR-TP采用SOT-23-5超小型表面贴装封装,引脚布局紧凑,适合高密度PCB设计,引脚功能定义如下:

  1. Vin(输入电压端):连接2.5V~5.5V直流输入,需并联0.1μF陶瓷电容去耦;
  2. GND(接地端):系统接地,需确保与电源地、信号地可靠连接;
  3. SW(开关节点):连接功率电感一端,电感另一端接输出电容与负载;
  4. FB(反馈端):输出电压反馈端,外接分压电阻网络(R1上拉输出、R2下拉地)实现电压调节;
  5. EN(使能端):高电平(≥1.8V)有效启动,低电平(≤0.3V)进入关断模式(关断电流极低)。

四、典型应用场景

AP3410KTR-TP的参数特性使其适配多类场景:

  1. 便携式消费电子:智能手环、蓝牙耳机、便携式音箱等电池供电设备,依托宽输入电压(适配3.7V锂电池)、小封装与低静态电流实现长续航;
  2. 工业控制模块:PLC辅助模块、传感器节点等,利用-40℃~+125℃宽温范围与1.2A输出能力稳定工作;
  3. 物联网(IoT)终端:低功耗传感器、智能门锁等,150μA静态电流满足电池供电的待机需求;
  4. 车载电子:车载USB扩展模块、辅助显示单元等,宽温与宽输入电压适配车载电源波动。

五、应用设计注意事项

为确保芯片稳定工作,设计需关注以下要点:

  1. 电感选择:推荐10~22μH低DCR功率电感(陶瓷/铁氧体材质),匹配输出电流与开关频率;
  2. 电容配置:输入电容用0.1μF+10μF陶瓷电容(低ESR),输出电容用10~22μF陶瓷电容,需靠近芯片引脚布局;
  3. 反馈电阻计算:假设内部反馈基准为0.8V(典型值),输出电压公式为:
    ( V_{out} = 0.8V \times (1 + \frac{R_{top}}{R_{bottom}}) )
    例:输出3.3V时,选( R_{top}=15kΩ )、( R_{bottom}=4.7kΩ );
  4. 布局优化:SW引脚连线最短,避免与I2C/SPI等敏感信号交叉;输入电容靠近Vin/GND引脚,减少电源纹波。

六、性能优势总结

AP3410KTR-TP相比同类异步降压芯片,核心优势突出:

  • 宽范围适配:输入覆盖锂电池与USB电源,无需额外转换;
  • 小体积集成:SOT-23-5封装+1.5MHz高频,节省PCB空间30%以上;
  • 低功耗待机:150μA静态电流,比部分竞品低20%,延长电池续航;
  • 宽温可靠性:工业级温度范围,适配户外、车载等严苛场景;
  • 设计简化:内置高压侧MOSFET,仅需外接续流二极管、电感与电容,BOM成本低。

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