TPS79945YZUT TI LDO Regulator | 5-DSBGA | 200mA, 4.5V Output

Product Overview

The TPS79945YZUT from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for power-sensitive applications. It delivers a fixed output voltage of 4.5V with a maximum output current of 200mA. Housed in a compact 5-pin DSBGA (YUT) package, this device offers excellent line and load regulation, making it ideal for noise-sensitive circuits. The TPS79945YZUT features a low quiescent current of 40 µA typical, which extends battery life in portable devices. It also includes a thermal shutdown and current limit protection for robust operation.

Detailed Technical Specifications

Key Features

• Low dropout voltage: 120 mV at 200 mA
• Low quiescent current: 40 µA typical
• High PSRR: 65 dB at 1 kHz
• Low output noise: 30 µV RMS
• Stable with ceramic output capacitors (1 µF)
• Thermal shutdown and overcurrent protection
• Small footprint: 5-pin DSBGA (0.9 mm x 1.3 mm)

Target Applications

• 5G base station power management: RF transceivers, PLLs
• Automotive dashboard displays: infotainment systems, cluster panels
• Portable medical devices: glucose meters, pulse oximeters
• Industrial sensors: pressure transmitters, temperature probes
• Battery-powered IoT devices: smart locks, wearables

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS79945YZUT. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

TPS79945YZUT 是德州儀器（TI）推出的一款高性能低壓差線性穩壓器（LDO），專為對功耗敏感的應用設計。它提供固定的 4.5V 輸出電壓，最大輸出電流為 200mA。該器件採用緊湊的 5 引腳 DSBGA（YUT）封裝，具有出色的線性和負載調節能力，非常適合噪聲敏感電路。TPS79945YZUT 的典型靜態電流僅為 40 µA，有助於延長便攜設備的電池壽命。此外，它還集成了熱關斷和限流保護功能，確保穩定運行。

詳細技術參數

核心特性

• 低壓差：200 mA 時僅 120 mV
• 低靜態電流：典型值 40 µA
• 高電源抑制比：1 kHz 時 65 dB
• 低輸出噪聲：30 µV RMS
• 可使用陶瓷輸出電容器（1 µF）穩定工作
• 熱關斷和過流保護
• 小尺寸：5 引腳 DSBGA（0.9 mm x 1.3 mm）

典型應用場景

• 5G 基站電源管理：射頻收發器、鎖相環
• 汽車儀表盤顯示：信息娛樂系統、儀表組
• 便攜醫療設備：血糖儀、脈搏血氧儀
• 工業傳感器：壓力變送器、溫度探頭
• 電池供電的物聯網設備：智能鎖、可穿戴設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS79945YZUT 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
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• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

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• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
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• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]