WMSIC Electronic Components

Silergy SA23002ADFD

ModelSA23002ADFD
PackageDFN
BrandSILERGY
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
silergy SA23002ADFD
Type
SILERGY
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SILERGY
Electronic Component
SA23002ADFD
Electronic Component
1
Package
DFN
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.04g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0258833817
Operating Temperature
40℃~+125℃
Operating Voltage
2.8V~5.5V
Switching Frequency
2MHz~2.7MHz
Electronic Component
Electronic Component
Output Voltage
600mV~5.5V

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

SA23002ADFD 产品概述

一、简介

SA23002ADFD 是矽力杰(silergy)推出的一款高集成度降压型开关稳压器,输入电压范围宽(2.8V~5.5V),输出电压可调(0.6V~5.5V),最大持续输出电流可达2A。器件内置开关管并采用同步整流拓扑,支持轻载高效工作模式,适用于对尺寸、效率和静态功耗有严格要求的便携与嵌入式电源设计。

二、主要特点

  • 输入电压:2.8V ~ 5.5V
  • 输出电压:0.6V ~ 5.5V(可调)
  • 输出电流:最大 2A(连续)
  • 开关频率:2MHz ~ 2.7MHz(高频率,利于小尺寸磁性元件)
  • 静态电流(Iq):22µA(轻载低功耗)
  • 同步整流:内置,提升轻载与中高负载效率
  • 保护功能:逐波限流、过流保护、打嗝限流(hiccup)
  • 工作温度:-40℃ ~ +125℃
  • 封装:DFN(紧凑型,利于散热与面积节省)

三、电气性能要点

器件在高开关频率下,能够用更小的电感与陶瓷电容实现完整稳压回路,便于超小型化电源板设计。22µA 的低静态电流使其在待机或轻载条件下具有很好的续航优势。同步整流结构在中高负载下保证较高转换效率,逐波限流和打嗝限流机制能在短路或过载情况下快速反应并降低平均能耗与温升,提升系统可靠性。

四、封装与外部元件建议

  • 封装为 DFN,建议在PCB上留出大面积散热焊盘并做良好接地。
  • 外部电感:高频磁芯、小尺寸电感(例如 0.68µH ~ 2.2µH)可兼顾纹波与效率,具体取值根据占空比与输出纹波要求调整。
  • 输入/输出电容:优先选用低ESR陶瓷电容(X5R/X7R),靠近器件布置以抑制环路噪声。
  • 布线:尽量缩短信号回流与开关回路环路,VIN、SW、CIN、L、COUT 布线紧凑并安排固位地。

五、典型应用场景

  • 单节或两节锂电池供电的便携设备(TWS、可穿戴、便携仪表)
  • MCU、传感器、电源域降压点(SoC、通信模块)
  • 工业控制与消费类电子中需高效率与小尺寸的稳压模块

六、设计与调试建议

  • 开关频率高,注意电磁兼容(EMC)测试,必要时增加输入滤波或共模抑制。
  • 进行热测试以验证在最大负载下的温升,必要时优化散热铜箔与PCB过孔。
  • 使用厂家建议的参考电路与布局示意图,可显著缩短调试周期并保证性能达标。

总结:SA23002ADFD 以其宽输入、可调输出、2A 容量、高开关频率和低静态电流等优势,适合对体积、效率与待机功耗均有较高要求的降压供电场合,是便携与嵌入式电源设计中的优选器件。

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