WMSIC Electronic Components

IB0505S-2W

ModelIB0505S-2W
PackageSIP-4
BrandYLPTEC
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YLPTEC IB0505S-2W
Type
YLPTEC
Minimum package
25 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
IB0505S-2W
Electronic Component
1
Electronic Component
10mm
Package
SIP-4
Electronic Component
Isolated Power Supply Module
Electronic Component
3.524g
Electronic Component
19.5mm
Electronic Component
7mm
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0258684539
Operating Temperature
40℃~+85℃
Switching Frequency
100kHz
Electronic Component
50mVp-p

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

IB0505S-2W 产品概述

一、产品简介

IB0505S-2W 是 YLPTEC(易川) 推出的一款小功率开关型 DC-DC 模块,采用 SIP-4 封装,面向对尺寸、效率与可靠性有综合要求的嵌入式电源场合。该模块在 5V 电源系统中提供稳定的 5V 输出,额定输出功率 2W,具有短路保护和宽温度工作范围,适合工业级和消费级多种应用。

二、主要参数

  • 通道数:1
  • 输入电压 Vin:4.75V ~ 5.25V
  • 输出电压 Vout:5V
  • 额定输出功率:2W
  • 最大输出电流:400mA
  • 最大容性负载:100µF
  • 转换效率:72%(典型)
  • 开关频率:100kHz
  • 纹波噪声:50mVp-p(典型)
  • 工作温度:-40℃ ~ +85℃
  • 保护功能:短路保护
  • 外形尺寸(模块体):长度 19.5mm × 宽度 10mm × 高度 7mm
  • 封装形式:SIP-4

三、电气与热设计要点

在满载(2W)工作时,依据转换效率 72% 计算:

  • 输入功率 ≈ 2W / 0.72 ≈ 2.78W
  • 损耗功率 ≈ 2.78W - 2W ≈ 0.78W
  • 理论输入电流 ≈ 2W / (0.72 × 5V) ≈ 0.56A

因此在设计 PCB 和散热时,应考虑模块约 0.7~0.8W 的热耗散。建议在模块下方或附近布置适当铜箔(GND/POWER plane)以利传导散热,并保证有自然对流或少量风流时仍能可靠工作,特别是在高环境温度或封闭空间内。

四、输出滤波与稳定性建议

模块最大容性负载为 100µF,超过该值可能导致输出环路不稳定或起振。为保证动态响应与低纹波,推荐:

  • 输出端近端并联一颗 4.7µF~10µF 的低 ESR 陶瓷电容,靠近输出端口焊盘放置;
  • 必要时可在输出增加 10µF~47µF 的电解或钽电容,以改善负载突变时的电压保持,但单个电容值不宜超过 100µF;
  • 输入端建议放置 10µF 陶瓷或低 ESR 电容以抑制输入源阻抗与抑制开关噪声。

五、电磁兼容与布局注意

模块工作频率约 100kHz,属于低中频开关源,会产生开关谐波与瞬态干扰。布板与布局建议:

  • 输入引线短而粗,输入旁路电容靠近模块引脚放置;
  • 输出回路同样保持短路径,避免长回流环路;
  • 对于敏感模拟或高阻抗信号,应与模块隔离并增加滤波/屏蔽;
  • 若对 EMI 要求严格,可在输入端采用共模电感与差模电容组成简单滤波网络。

六、保护与可靠性

模块具备短路保护功能,在输出短路或过流情况下可限制输出电流以防止器件损坏,增强系统的可靠性。工作温度范围宽(-40℃~+85℃),适用于工业级环境,但在高温高负载工况下应评估降额使用和加强散热设计。

七、典型应用

  • 嵌入式控制板的局部 5V 供电(Point-of-Load)
  • 传感器供电与数据采集模块的隔离/稳压需求(注:使用前确认系统是否需要隔离功能)
  • 工业控制器、仪器仪表、通信设备的辅助电源
  • 小型便携设备与外设电源模块

八、安装与选型建议

  • 确认系统输入电压在 4.75V~5.25V 范围内并能提供约 0.6A 的启动/运行电流裕量;
  • 若长期满载或工作环境温度高,建议预留散热空间与更大铜厚散热区;
  • 输出容性负载设计不超过 100µF,且优先选用低 ESR 的陶瓷电容靠近输出端;
  • 对于需要更高效率或更大输出电流的场合,可考虑更高功率或更高效的替代型号。

总结:IB0505S-2W 在小尺寸 SIP-4 封装下提供稳定的 5V/400mA 输出,适合对空间、成本与基础保护有均衡需求的电源方案。合理的 PCB 布局与热管理可确保长期可靠运行。若需更详细的电气特性曲线或封装引脚图,建议索取完整数据手册。

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