WMSIC Electronic Components

RICHTEK RT8296AHZSP

ModelRT8296AHZSP
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

19 specifications

Core information

Product name
RICHTEK RT8296AHZSP
Type
RICHTEK
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT8296AHZSP
Electronic Component
1
Package
SOP-8-EP
Electronic Component
DC-DC Power Supply IC
Electronic Component
1.966g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0230063686
Operating Temperature
40℃~+85℃@(TA)
Operating Voltage
4.5V~23V
Switching Frequency
340kHz
Electronic Component
Electronic Component

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

RT8296AHZSP 产品概述

一、概述

RT8296AHZSP 是 RICHTEK(台湾立锜)推出的一款高集成度降压型 DC-DC 开关稳压器,采用 SOP-8-EP 封装,内置功率开关管,输出可调,适用于 4.5V ~ 23V 输入电压范围,输出电压可调范围为 0.8V ~ 20V,最大输出电流可达 3A。器件集成了同步整流功能与多种保护机制,开关频率固定为 340kHz,工作温度范围为 -40℃ 到 +85℃(TA)。

二、主要功能与特点

  • 输入电压:4.5V ~ 23V,支持宽输入范围的电源设计需求。
  • 输出电压可调:0.8V ~ 20V,适用多路输出电压点的设计。
  • 输出电流:最高 3A,适合中功率应用。
  • 同步整流:提高转换效率、减少外部肖特基管需求。
  • 开关频率:340kHz,平衡效率与外部电感、电容尺寸。
  • 内置开关管:简化外部布局与器件选择。
  • 功能特性:外部补偿、逐波限流、可调软启动、负载断开、打嗝限流、保护锁死(Latch-off)等多重保护与调节能力。

三、功能说明与优势

外部补偿:支持设计者根据负载与环路目标自行优化环路响应与稳定性,便于在不同电感、电容条件下获得最佳瞬态与稳定特性。
逐波限流与打嗝限流:在过载或短路时提供快速限流响应并通过打嗝模式进行自动恢复,减少系统因持续过流导致的损坏。
可调软启动:软启动时间可调整以控制启动浪涌电流,避免对上游电源产生冲击。
负载断开与保护锁死:在某些异常条件下能使输出断开或进入锁死状态,提升系统可靠性并便于故障检测与后续人工或外部信号复位。

四、典型应用场景

  • 工业控制、电源模块与嵌入式系统的中低功率电源解决方案。
  • 电信与网络设备的辅助电源。
  • 汽车电子(车载电子需确认工作温度与车规特性)、便携仪器及消费类电子(需匹配系统散热设计)。
  • 多输出电源系统中的降压主模块或辅助模块。

五、设计注意事项

  • 布局与散热:SOP-8-EP 的正中心热焊盘(EP)应良好焊接到 PCB 大面积散热铜箔,减小温升。
  • 输入/输出去耦:输入端靠近器件放置低 ESR 电解或固态电容,输出端配合低 ESR 电容以保证稳定与良好瞬态响应。
  • 电感选择:340kHz 的工作频率允许使用体积较小的电感,但需注意电流能力与饱和特性以满足 3A 输出。
  • 环路补偿:采用外部补偿网络时按典型应用电路调整补偿元件,确保在目标负载范围内稳定。
  • 保护与启动策略:根据负载特性配置软启动与限流参数,避免误动作并提高系统鲁棒性。

总结:RT8296AHZSP 以高集成度、丰富的保护与外部补偿能力,为多种中功率降压场合提供灵活且可靠的电源解决方案。通过合理的元件选型与 PCB 布局,可在小体积下实现高效稳定的电源输出。

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