WMSIC Electronic Components

TI TPS7A2036PDBVR

ModelTPS7A2036PDBVR
PackageSOT-23-5
BrandTI
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TI(Texas Instruments) TPS7A2036PDBVR
Type
TI
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
140mV@(300mA)
Electronic Component
TI(Texas Instruments)
Electronic Component
10uVrms
Electronic Component
TPS7A2036PDBVR
Electronic Component
1
Package
SOT-23-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.066g
Electronic Component
1
Features
Built-in;;; Output
Electronic Component
BM0227582811
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
6V
Output
Electronic Component

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

TPS7A2036PDBVR 产品概述

一、产品简介

TPS7A2036PDBVR 是一款固定输出的线性稳压器(LDO),由 TI(德州仪器)推出,面向对噪声、纹波抑制和低静态功耗有较高要求的供电场合。该器件在 SOT-23-5 小封装内提供 3.6V 正向固定输出,最大输出电流可达 300mA,适合便携、低功耗及模拟前端电源等应用。

二、主要特点

  • 输出类型:固定(3.6V)
  • 输出电流:最高 300mA
  • 工作电压:6V(器件额定工作电压)
  • 压差(Dropout):140mV @ 300mA(低压差特性)
  • 静态电流(Iq):15μA(待机/静态功耗极低)
  • 电源纹波抑制比(PSRR):65dB @ 100Hz(优秀的纹波抑制)
  • 噪声:10μVrms(低噪声输出,适合模拟/射频前端)
  • 输出极性:正极
  • 封装:SOT-23-5
  • 品牌:TI(德州仪器)

三、电气性能与关键参数

该器件设计强调低压差、低噪声与低静态功耗的平衡。140mV 的压差(在 300mA 输出时)说明在高负载条件下仍能保持较小的输入与输出电压差,利于延长电池使用时间或提高系统效率。15μA 的静态电流意味着在待机或轻载情况下,整体系统的静态损耗极低,适合电池供电系统。65dB@100Hz 的 PSRR 和 10μVrms 的输出噪声使该 LDO 特别适合对噪声敏感的模拟和射频电路、电源参考以及 ADC 驱动电源。

请注意:实际的输入电压裕度、启动性能及稳定性与外部元件(如输入/输出电容)有关,设计时应参照器件应用规范进行布局与选型。

四、保护与控制功能

该器件集成了多项保护与控制机制,以保证系统安全可靠运行:

  • 过热保护(过热检测/热关断):在器件温度异常升高时自动限制或关闭输出以防损坏。
  • 过流保护:在输出短路或过载时限制输出电流,保护器件和负载。
  • 软启动:限制输出上电时的电流突变,减小输入源与输出滤波器的冲击,降低系统干扰。
  • 使能(EN)引脚:带使能功能,支持外部逻辑控制器件的开启与关断,便于功耗管理和电源序列控制。

这些功能使器件在复杂电源管理场景中既安全又易于控制。

五、封装与热管理

TPS7A2036PDBVR 采用 SOT-23-5 小型封装,适合空间受限的 PCB 设计。虽然封装小巧带来布局便利,但在高输出电流和高功耗工况下需要注意散热:

  • 设计时应考虑 PCB 的热扩散路径,使用较大的铜箔或散热层以降低结温。
  • 在连续 300mA 输出或高压差情况下,注意评估功耗(Pd ≈ (Vin - Vout) × Iout)并做好热仿真与验证,避免触发热关断影响可靠性。

六、典型应用场景与设计要点

典型应用:

  • 便携式电子设备电源(对功耗和空间有严格要求)
  • 模拟前端、传感器供电、ADC/DAC 参考电源(要求低噪声与高 PSRR)
  • 通信设备的射频/基带电源前端
  • 电池供电系统与电源管理模块

设计要点:

  • 确保输入电压满足器件工作要求且有足够余量以补偿压差:Vin 应 ≥ Vout + Vdropout(在最大负载下考虑 140mV 及一定裕量)。
  • 合理选择输入与输出电容(按 TI 建议的电容类型和数值),以保证稳定性并优化瞬态响应与噪声性能。
  • 在高电流场景下,布局时减少引脚与器件之间的寄生阻抗和热阻,使用短且宽的走线并适当分配铜皮面积。
  • 使用 EN 管脚实现电源序列或待机策略,以充分发挥低静态电流优势。

七、总结

TPS7A2036PDBVR 是一款定位明确的固定输出 LDO,兼顾低压差、低噪声和低静态功耗,且内置完整的保护与控制功能,适合对电源质量与功耗要求高的应用场景。其 SOT-23-5 封装利于空间受限的设计,但同时需在 PCB 布局与散热方面给予关注,以确保在 300mA 输出和较大压差条件下稳定可靠运行。若需进一步参数(如精确输出容差、动态性能、输入/输出电容推荐及引脚定义等),建议参考 TI 官方数据手册和应用说明以获得完整设计指导。

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