WMSIC Electronic Components

Joulwatt JW5015AESOP#TRPBF JW5015AESOP

ModelJW5015AESOP#TRPBF
PackageESOP-8
BrandJoulwatt
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
Joulwatt JW5015AESOP#TRPBF
Type
JOULWATT
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JOULWATT
Electronic Component
JW5015AESOP#TRPBF
Electronic Component
1
Package
ESOP-8
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.17g
Electronic Component
1
Features
Built-in LDORegulator
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0238847868
Operating Temperature
40℃~+125℃@(TJ)
Operating Voltage
3.6V~40V
Switching Frequency
220kHz~660kHz
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.

JW5015AESOP#TRPBF 产品概述

一、器件简介

JW5015A 是 Joulwatt(杰华特)推出的一款电流模式单片降压开关稳压器,采用降压拓扑并集成同步整流。器件输入电压范围宽(3.6V ~ 40V),输出电压可调(0.8V ~ 37V),能提供最高 2A 连续输出电流。内部集成两个 N 沟道功率 MOSFET,配合器件内置驱动与控制单元,可实现高效率、小尺寸的电源设计,适合工业、汽车、通信及电池供电系统的点位降压场合。

二、主要参数与功能特性

  • 功能类型:降压(Buck)
  • 输入电压:3.6V ~ 40V
  • 输出电压:可调,范围 0.8V ~ 37V
  • 输出电流:最大 2A 连续
  • 开关频率:220kHz ~ 660kHz(器件工作范围,有利于效率与电感体积的权衡)
  • 静态电流(Iq):65µA(典型,利于低功耗待机)
  • 同步整流:是(内部同步 MOSFET)
  • 开关管:内部集成 N 沟道 MOSFET
  • 输出通道:单路输出
  • 封装:ESOP-8
  • 工作温度:-40°C ~ +125°C(器件结温范围)
  • 保护与特性:轻载高效模式、内置 LDO 稳压器、逐波限流、过流保护等

三、性能亮点与应用场景

  • 宽输入电压兼容性:支持高达 40V 的输入,适配汽车电源、48V 辅助总线或工业电源场合。
  • 高效率与同步整流:内部同步 MOSFET 降低整流损耗,结合轻载高效模式,在轻负载与中重载区间均可取得优异效率。
  • 低静态功耗:65µA 静态电流适合电池供电或需低待机功耗的系统。
  • 精确电流限制:逐波限流(wave-by-wave)提高短路与过流响应能力,保护器件与负载。
  • 可调输出与高开关频率范围:输出电压可调且开关频率覆盖 220kHz~660kHz,便于在电感尺寸、输出纹波与效率之间进行设计权衡。
  • 应用示例:车载点位降压、工业控制模块、通信设备电源、便携仪器、分布式电源点位转换等。

四、典型设计注意事项

  • 输入去耦:在靠近 VIN 引脚放置低 ESR 陶瓷电容与电解/固态电容组合,以抑制瞬态及滤除高频噪声。
  • 电感选择:选择额定电流高于 2A 的电感,尽量采用低 DCR 以降低功耗和温升;开关频率越高,可以选用更小的电感器件,但需注意损耗增加。
  • 输出电容:低 ESR 输出电容对降低输出纹波与提升瞬态响应至关重要,建议根据输出电流与纹波要求选型。
  • 布局与散热:ESOP-8 包装需保证散热良好,建议连接并焊接底部或地平面以增强散热;开关节点走线尽量短且宽,输入与输出地分开并在电感处汇合。
  • LDO 使用:器件内置 LDO 可为内部参考或外围监控电路供电,使用时需确认外接负载与热量影响。
  • 保护配合:虽然器件内置逐波限流与过流保护,但在关键场合仍建议外部摆脱短路或热过载的二次保护方案。

五、封装与订购信息

  • 封装形式:ESOP-8,便于表面贴装并具有良好散热路径。
  • 型号与包装:JW5015AESOP#TRPBF;“#TRPBF” 通常表示卷带包装及无铅/符合环保工艺的版本,具体请以采购时供应商说明为准。
  • 单通道、单片解决方案,有助于减少外部元件数量并缩短设计周期。

六、总结

JW5015A 在宽输入、可调输出与同步整流的组合下,为中等功率点(最高 2A)提供了一套体积小、效率高、保护完善的降压解决方案。其低静态电流与轻载高效模式使其在电池与待机敏感应用中具有优势;同时 40V 的耐压设计也扩展了其在汽车与工业供电系统中的适用性。实际设计时,建议重点关注输入/输出去耦、磁性元件与封装散热,以保证系统长期稳定可靠运行。

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