WMSIC Electronic Components

RENESAS PS2802-4-F3-A PS2802

ModelPS2802-4-F3-A
Package16-SSOP
BrandRENESAS
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
RENESAS PS2802-4-F3-A
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
PS2802-4-F3-A
Electronic Component
1
Package
16-SSOP
Electronic Component
Transistor Output Optocoupler
Electronic Component
0.627g
Electronic Component
1
Electronic Component
200us
Features
Output
Electronic Component
BM0264368719
Operating Temperature
55℃~+100℃
Load Voltage
40V
Type
DC
Output Current
100mA
Output Type
Transistor

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

PS2802-4-F3-A 产品概述

一、产品简介

PS2802-4-F3-A 是瑞萨(RENESAS)推出的一款四通道光隔离器,输入为直流 LED,输出采用达林顿晶体管结构,单片 4 路独立通道,封装为 16 引脚 SSOP。器件提供高达 2.5 kVrms 的输入—输出隔离,适合需要电气隔离的数字信号传输和驱动场合。器件耐温范围宽(-55℃ 至 +100℃),可靠性高,适用于工业控制、通信接口和家电保护等场景。

二、主要特性

  • 隔离电压(耐压):2.5 kVrms(输入-输出)
  • 输出结构:达林顿晶体管(Darlington)
  • 输出通道数:4 路,独立输出
  • 输出电流(单通道):最高可达 100 mA(典型驱动能力)
  • 集射极饱和电压 VCE(sat):≤1 V(典型测试条件下)
  • 正向压降 Vf(LED):约 1.1 V
  • 正向电流 If(最大):50 mA(LED)
  • 直流反向耐压 Vr(LED 反向):6 V
  • 负载电压(输出端可承受):40 V
  • 电流传输比 CTR:最小 200%,最大/饱和值可达 2000%(取决于 If、测试条件及工作点)
  • 开关速度:上升/下降时间 tr / tf ≈ 200 μs(典型)
  • 工作温度:-55 ℃ 至 +100 ℃
  • 封装:16-SSOP,工业级封装便于 PCB 密集布线

三、电气性能与使用说明

  • CTR 与输出电流关系:由于输出为达林顿结构,电流放大倍数较大,CTR 在不同测试条件下变化范围较宽(200% ~ 2000%)。在设计中应以最小 CTR(≥200%)进行保守估算,以确保在最低输入驱动下能获得足够的输出电流。
  • LED 驱动:LED 正向压降约 1.1 V,最大允许 If 为 50 mA。建议按器件手册给出的推荐 If 与脉冲/连续工作条件选取限流电阻,避免长期在最大 If 下工作以延长寿命。
  • 输出特性:达林顿输出提供较高的电流增益,便于直接驱动中小负载,但 VCE(sat) 相对较高(典型 ≤1 V),因此需要考虑功耗与发热。输出承受负载电压上限为 40 V。
  • 开关速度:tr/tf ≈ 200 μs,属于慢速器件,适合开/关频率较低的隔离信号或开关控制,不适用于高速数据链路或精细 PWM 控制。

四、典型应用

  • 微控制器与高电压或噪声侧之间的信号隔离(开关量输入/输出)
  • 工业控制系统中驱动继电器、指示灯或小型负载
  • 电源模块、逆变器及变频器控制回路隔离
  • 家电与安防设备的逻辑电平隔离与防护

五、设计与布局注意事项

  • PCB 布局:保持输入侧与输出侧的爬电距离与空气间隙,满足 2.5 kVrms 隔离要求;SSOP-16 封装引脚间距与过孔布局要符合制造规范。
  • 热管理:在高输出电流或连续工作时注意功耗及结温,必要时进行散热设计或降低占空比。
  • 保护措施:为 LED 侧加限流电阻和必要的浪涌抑制;输出侧如驱动感性负载,应加二极管或 RC 吸收网络保护。
  • 工作频率限制:由于较长的上升/下降时间,器件更适合低速开关与状态隔离,不推荐用于需要快速边沿或精确定时的场合。

六、封装与订购信息

  • 品牌:RENESAS(瑞萨)
  • 型号:PS2802-4-F3-A
  • 封装形式:16 引脚 SSOP(便于表面贴装与高密度布线)
  • 订购与资料:请参照瑞萨官方数据手册获取完整的绝对最大额定值、电气特性曲线、引脚排列图和推荐 PCB 尺寸,以保证设计合规与可靠性。

结语:PS2802-4-F3-A 以其四通道达林顿输出和 2.5 kVrms 的高隔离能力,适合工业与消费类的中低速隔离控制场合。在设计时需注意 LED 驱动条件、输出功耗与器件的开关速度限制,遵循数据手册的绝对最大额定值与布板建议以确保长期可靠运行。

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