WMSIC Electronic Components

BELLING BL8568GCB5ATR18

ModelBL8568GCB5ATR18
PackageSOT-23-5
BrandBELLING
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
BELLING BL8568GCB5ATR18
Type
BELLING
Minimum package
3000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BELLING
Electronic Component
BL8568GCB5ATR18
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.041g
Electronic Component
1
Features
Output
Electronic Component
BM0264518884
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
6V
Output
Electronic Component
Output Voltage
1.8V
Output Current
500mA
Output Type
Electronic Component

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

BL8568GCB5ATR18 低压差线性稳压器产品概述

一、产品定位与核心价值

BL8568GCB5ATR18是贝岭(BELLING)推出的固定输出型低压差线性稳压器(LDO),专为中小功率、低功耗场景设计,核心聚焦“小体积、低待机功耗、强纹波抑制+实用保护”三大需求,适配电池供电便携设备、工业传感器模块等对电源稳定性要求较高的应用。产品通过SOT-23-5超小型封装实现高密度集成,同时内置使能控制和过流保护功能,兼顾性能与可靠性,是替代传统线性稳压器的高性价比选择。

二、关键参数与性能优势

产品核心参数围绕“稳定输出、低功耗、抗干扰”设计,具体优势如下:

  1. 输出性能稳定:固定1.8V输出电压,最大输出电流500mA,可满足MCU、传感器、无线模块等中小功率负载的供电需求;
  2. 强纹波抑制能力:电源纹波抑制比(PSRR)达70dB@1kHz,能有效过滤输入电源中的高频纹波,输出噪声低,适配对电源纯净度敏感的电路(如模拟传感器、射频前端);
  3. 低待机功耗:静态电流(Iq)仅80μA,远低于传统线性稳压器,适合电池供电场景(如智能穿戴、物联网节点),显著延长设备续航时间;
  4. 完善保护功能:内置过流保护(OCP),当负载电流超过阈值时自动限流,防止短路损坏芯片及负载;支持使能(EN)控制,可通过外部信号开关电源输出,进一步降低待机功耗;
  5. 宽输入电压兼容:支持6V输入电压,兼容USB 5V电源、3节干电池(4.5V)、单节锂电池(4.2V)等常见电源输入;
  6. 正极输出适配性:输出极性为正极,与绝大多数电子负载的电源接口兼容,无需额外极性转换。

三、封装与引脚配置

产品采用SOT-23-5超小型贴片封装,尺寸约1.6mm×1.6mm×0.8mm,适合高密度PCB设计(如便携设备主板、小型模块)。引脚功能定义(贝岭官方标准)如下:

引脚编号 功能描述 说明 1 EN(使能端) 高电平有效(>2V),低电平关断输出 2 GND(地) 电源地,需可靠连接PCB地平面 3 VIN(输入) 输入电压6V,需并联去耦电容 4 NC(空脚) 无内部连接,可悬空或接地 5 VOUT(输出) 固定1.8V输出,需并联稳压电容

四、典型应用场景

BL8568GCB5ATR18的参数特性使其适配多类场景:

  1. 便携电子设备:智能手环、蓝牙耳机、便携式万用表等电池供电产品(低功耗+小体积);
  2. 工业控制模块:传感器节点、PLC辅助电路、小型执行器供电(宽温-40℃~+85℃+过流保护);
  3. 消费电子辅助供电:机顶盒、路由器、智能音箱的MCU/无线模块供电(纹波抑制好,稳定1.8V);
  4. 物联网低功耗节点:环境监测传感器、智能门锁等(使能控制+低待机电流,延长电池寿命)。

五、可靠性与环境适应性

  1. 宽温度范围:工作温度覆盖-40℃~+85℃,满足工业级环境(如户外传感器、车载辅助电路)的温度要求;
  2. 封装可靠性:SOT-23-5封装抗振动、抗冲击性能优异,适合 harsh 环境(如工业现场、车载场景);
  3. 保护机制:过流保护阈值约为650mA(典型值),限流模式下可稳定工作,避免芯片过热损坏。

六、应用设计注意事项

为确保产品性能稳定,设计时需注意以下要点:

  1. 电容配置:
    • 输入电容:VIN与GND之间并联1μF陶瓷电容(如0805封装),靠近芯片引脚,抑制输入纹波;
    • 输出电容:VOUT与GND之间并联1~10μF陶瓷电容,稳定输出电压,避免负载突变时电压跌落;
  2. 使能端处理:EN脚建议串联10kΩ上拉电阻至VIN,防止悬空误触发;若需外部控制,可通过MCU GPIO输出高低电平控制;
  3. 散热设计:500mA输出时,SOT-23-5封装需通过PCB地平面散热(如将引脚2(GND)连接至大面积铜箔),避免芯片温度过高;
  4. 负载匹配:负载电流应≤500mA,若需更大电流,需并联多颗或选择更高功率LDO;
  5. 静电防护:设计时需在输入/输出端增加ESD保护元件(如0402封装TVS管),防止静电损坏芯片。

总结

BL8568GCB5ATR18作为贝岭LDO产品线的高性价比型号,以“小体积、低功耗、强纹波抑制+实用保护”为核心优势,适配多类便携、工业、消费电子场景,是中小功率1.8V供电的理想选择。其SOT-23-5封装、宽温特性及完善的保护功能,进一步提升了产品的实用性与可靠性,可满足多数场景的电源设计需求。

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