TPS7301QPW TI LDO Regulator | 20-TSSOP | 1.2-5.5V Input, 200mA Output

Product Overview

The TPS7301QPW from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed for applications requiring low noise, high PSRR, and low quiescent current. It operates over an input voltage range of 1.2V to 5.5V and delivers up to 200mA of output current. The device features a low dropout voltage of typically 120mV at 200mA load, making it suitable for battery-powered systems. The output voltage is adjustable from 1.2V to 5.5V using an external resistor divider. The TPS7301QPW is available in a 20-pin TSSOP package, offering a compact solution for space-constrained designs.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 120mV typical at 200mA
• Low quiescent current: 65µA typical
• High PSRR: 65dB at 1kHz
• Low output noise: 30µV_RMS
• Adjustable output voltage from 1.2V to 5.5V
• Stable with ceramic output capacitors
• Overcurrent and overtemperature protection
• Small 20-TSSOP package

Target Applications

The TPS7301QPW is ideal for noise-sensitive applications such as RF power supplies, audio codec supplies, and sensor interfaces. Specific examples include powering the analog front-end in 5G base stations, providing clean supply voltage for automotive dashboard displays, and regulating voltage for portable medical devices like blood glucose monitors.

Global Supply Chain & Wholesale Solutions

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產品概述

TPS7301QPW 是德州儀器 (TI) 推出的一款低壓差線性穩壓器 (LDO)，專為需要低噪聲、高電源抑制比 (PSRR) 和低靜態電流的應用而設計。其輸入電壓範圍為 1.2V 至 5.5V，可提供高達 200mA 的輸出電流。在 200mA 負載下，典型壓差電壓僅為 120mV，非常適合電池供電系統。輸出電壓可通過外部電阻分壓器在 1.2V 至 5.5V 範圍內調節。該器件採用 20 引腳 TSSOP 封裝，為空間受限的設計提供了緊湊的解決方案。

詳細技術參數

核心特性

• 低壓差電壓：200mA 負載下典型值 120mV
• 低靜態電流：典型值 65µA
• 高 PSRR：1kHz 時 65dB
• 低輸出噪聲：30µV_RMS
• 可調輸出電壓：1.2V 至 5.5V
• 可與陶瓷輸出電容穩定工作
• 過流和過溫保護
• 小型 20-TSSOP 封裝

典型應用場景

TPS7301QPW 適用於對噪聲敏感的應用，如射頻電源、音頻編解碼器電源和傳感器接口。具體實例包括為 5G 基站中的模擬前端供電、為汽車儀表盤顯示器提供乾淨的電源電壓，以及為便攜式醫療設備（如血糖儀）調節電壓。

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