WMSIC Electronic Components

RICHTEK RT8296BHZSP

ModelRT8296BHZSP
PackageSOP-8-EP
BrandRICHTEK
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

20 specifications

Core information

Product name
RICHTEK RT8296BHZSP
Type
RICHTEK
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT8296BHZSP
Electronic Component
1
Package
SOP-8-EP
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.107g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0058406772
Operating Temperature
40℃~+125℃
Operating Voltage
4.5V~23V
Switching Frequency
1.2MHz

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

RT8296BHZSP 产品概述

一、产品简介

RT8296BHZSP 是 RICHTEK(立锜)推出的一款高频同步整流降压型 DC-DC 转换器,采用降压拓扑、内置开关管,支持外部可调输出电压,适用于对体积和效率有较高要求的点对点电源或电源管理场合。封装为 SOP-8-EP,便于散热和 PCB 布局。

二、主要参数

  • 输出类型:可调(外部电阻设定)
  • 拓扑结构:降压(同步整流)
  • 输入电压范围:4.5V ~ 23V
  • 输出电压范围:0.8V ~ 15V
  • 最大输出电流:3A
  • 开关频率:1.2MHz
  • 工作温度范围:-40℃ ~ +125℃
  • 开关管:内置(同步 MOSFET)
  • 输出通道数:1
  • 封装:SOP-8-EP(带散热焊盘)

三、关键特性与优势

  • 同步整流结构:内置同步 MOSFET,有效降低整流损耗,提高轻载至重载效率,适合中小功率点负载供电。
  • 高频工作(1.2MHz):允许使用更小体积的电感与电容,从而缩小整机尺寸,利于空间受限的应用。
  • 宽输入电压与可调输出:4.5V23V 的输入范围适配多种电源(电池、适配器、车载等),输出可调 0.8V15V 满足不同点电压需求。
  • 工业级温度范围:-40℃~+125℃ 适合工业、通信等苛刻环境。
  • SOP-8-EP 封装:散热焊盘有利于热量传导与PCB散热处理,提高可靠性。

四、典型应用场景

  • 通信设备、网络交换器的点对点电源(POL)
  • 工业控制与嵌入式系统的主/次级降压模块
  • 汽车辅电(需按车规标准进一步验证)与车载电子(前级稳压)
  • 消费类便携设备、工业电源管理板

五、设计要点与 PCB 布局建议

  • 输入电容:采用低 ESR 陶瓷电容(X5R/X7R),靠近芯片 VIN 引脚布置,以抑制开关瞬态。
  • 输出电容:推荐低 ESR 陶瓷电容并结合必要的旁路电容,确保负载瞬态响应与环路稳定。
  • 电感选择:根据开关频率和允许电流纹波选择合适电感,电感额定电流应大于 3A 并注意 DCR 以降低功耗。
  • 地与散热:将 SOP-8-EP 的散热焊盘良好接地并铺铜,多过孔过孔至内层/背面散热平面以利热扩散。
  • 布线原则:缩短高电流回路(VIN、SW、Cin、L、Cout)的回路面积,分离模拟地与功率地并在一点汇流,减小 EMI。
  • EMI 与滤波:高频开关可能带来辐射/传导干扰,必要时在输入侧加入共模/差模滤波与 RC/LC 滤波器。

六、注意事项

  • 在高温或满载条件下需关注芯片功耗与 PCB 热管理,必要时对输出电流进行热降额。
  • 输出电压设置请参考官方典型电路以保证环路稳定,选用建议的补偿网络与外部元件。
  • 如果用于汽车或更严苛环境,建议参照厂商完整 datasheet 做电气与热可靠性评估,并进行 EMI/ESD 测试。

总结:RT8296BHZSP 以其同步整流、高开关频率和宽输入/输出范围,适合用于空间受限且需高效率的降压电源设计。为获得最佳性能,请严格按照器件手册的典型电路与布局建议进行实现与验证。

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