WMSIC Electronic Components

MICRONE ME6203A44PG

ModelME6203A44PG
PackageSOT-89-3
BrandMICRONE
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
MICRONE ME6203A44PG
Type
MICRONE
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
820mV@(50mA)
Electronic Component
MICRONE
Electronic Component
ME6203A44PG
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.132g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM0227695475
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
40V
Output
Electronic Component
Output Voltage
4.4V
Output Current
100mA

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

ME6203A44PG 产品概述

一、产品简介

ME6203A44PG 是南京微盟(MICRONE)推出的一款固定输出线性稳压器(LDO),定位为高压、超低静态电流、低功耗的小功率电源方案。器件提供 4.4V 固定输出,能够在最高 40V 的输入电压下工作,最大输出电流为 100mA,适用于对稳定电源和低待机功耗有严格要求的便携与工业设备。器件采用 SOT-89-3 封装,尺寸小巧,便于在空间受限的电路板上实现可靠电源管理。

二、主要参数(要点回顾)

  • 输出类型:固定(4.4V)
  • 输出极性:正极
  • 最大输入电压:40V
  • 最大输出电流:100mA
  • 静态电流(Iq):典型 3 µA
  • 压差(dropout):820 mV @ 50 mA
  • 保护特性:内置短路保护
  • 工作温度范围:-40 ℃ 至 +85 ℃(Ta)
  • 输出通道数:单路
  • 封装:SOT-89-3
  • 品牌:MICRONE(南京微盟)

三、电气性能与工作特性解析

ME6203A44PG 的静态电流仅为约 3 µA,极适合需要长时间待机或电池供电的系统,能够将静态损耗降至非常低的水平。820 mV 的压差(在 50 mA 条件下测得)表明在较高输出电流时仍需保证输入电压足够高以满足稳压要求;例如在输出 4.4V 时,输入电压至少应高出约 1V 以上(并留有裕量以抵抗瞬态)。器件的短路保护功能可在输出短路或过载时限制电流,保护器件和系统负载。

由于输入电压能够承受至 40V,这款 LDO 也适合从高压轨(例如汽车电子或工业电源)降压到中低压逻辑或模拟供电,但在此类高差应用中需注意功耗与散热管理。

四、封装与热管理建议

SOT-89-3 封装在体积上比 SOT-23 更易于散热,但与更大封装相比仍有限。设计时应考虑以下几点以保证稳定工作与可靠性:

  • 在 PCB 上为器件的散热引脚和地引线预留较宽的铜箔,增加散热面积。
  • 若系统长期在靠近最大输出电流或较大输入输出压差下工作,应在器件附近增加散热铜箔或通过铺铜与多层板散热通道配合热沉效果。
  • 对于多层板,建议在封装下方或附近使用热过孔导通到内部或背面大铜层,以降低结温。

五、应用建议与设计要点

为确保 LDO 稳定与性能,建议在应用设计中注意以下几点:

  • 输入侧建议并联去耦电容(如 0.1 µF 陶瓷)靠近 VIN 引脚布局,以抑制输入瞬态和高频噪声。
  • 输出侧通常需要一个合适的输出电容以确保稳压器稳定性与良好瞬态响应。常见做法是使用 1 µF ~ 10 µF 的低 ESR 陶瓷或钽电容,具体容量和 ESR 需参考评估电路的暂态要求和实际稳定性验证。
  • 布线应尽量缩短 VIN、VOUT 与地之间的回路,减少杂散阻抗与寄生电感,提升瞬态响应与系统兼容性。
  • 对于高差降压(VIN >> VOUT)应用,计算功耗(Pd = (VIN - VOUT) × IOUT)并确保 PCB 散热能承受,或考虑采用开关降压器与 LDO 结合的混合方案以减少热耗。

六、典型应用场景

  • 电池供电便携设备:凭借超低静态电流,适合要求长待机时间的测量仪器、便携终端等。
  • 工业与仪表电源:高输入耐压允许从较高工业电源轨直接稳压到所需逻辑电压。
  • 汽车电子(非直接车型关键安全回路需确认车规等级):可作为车载子系统的局部低压电源(需配合整车电磁兼容及热设计评估)。
  • 模拟前端、参考电源:提供低噪声、固定输出的中小电流电源供给传感器或参考电路。

七、可靠性与保护

ME6203A44PG 集成短路保护,能在突发输出故障时限制电流,从而提高系统抗故障能力。长期可靠运行还依赖于正确的热设计与合适的输入输出电容选型。实际使用中建议做过温与过流试验验证整机容错能力,并在可能的热应力场景下评估器件结温与寿命。

八、总结

ME6203A44PG 是一款面向低功耗与高输入电压场景的小功率线性稳压器,具有 4.4V 固定输出、100mA 输出能力和仅 3 µA 的静态电流,非常适合对待机功耗敏感或需要从高压电源降压的应用。合理的 PCB 散热、输入输出去耦和对压差功耗的评估是成功应用该器件的关键。若需进一步在特定电路中采用,建议结合实际负载条件做详细的稳态与瞬态测试以确认系统性能。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.