TPS7A21345PYWDJ TI LDO Regulator | 4-WCSP (0.63x0.63) | 3.45V Output, 300mA

Product Overview

The TPS7A21345PYWDJ is a low-dropout (LDO) linear voltage regulator from Texas Instruments, designed for space-constrained applications. It delivers a fixed output voltage of 3.45V with a maximum output current of 300mA. Housed in a compact 4-pin WCSP package measuring 0.63mm x 0.63mm, this device offers excellent line and load transient response while maintaining low quiescent current. The TPS7A21345 is ideal for powering sensitive analog and digital circuits in portable and battery-powered equipment.

Detailed Technical Specifications

Key Features

• Ultra-small WCSP package (0.63mm x 0.63mm) for space-constrained designs
• Low dropout voltage: 120mV at 300mA
• Low quiescent current: 25µA typical
• High PSRR: 60dB at 1kHz
• Low output noise: 30µVrms
• Stable with ceramic capacitors
• Overcurrent and thermal protection

Target Applications

• 5G base station power management
• Automotive dashboard displays
• Portable medical devices
• Wearable electronics
• IoT sensors and modules
• Battery-powered equipment

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TPS7A21345PYWDJ. 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

TPS7A21345PYWDJ 是德州儀器（TI）推出的一款低壓差線性穩壓器（LDO），專為空間受限的應用設計。它提供固定的3.45V輸出電壓，最大輸出電流為300mA。該器件採用緊湊的4引腳WCSP封裝，尺寸僅為0.63mm x 0.63mm，具有出色的線性和負載瞬態響應，同時保持低靜態電流。TPS7A21345非常適合為便攜式和電池供電設備中的敏感模擬和數字電路供電。

詳細技術參數

核心特性

• 超小型WCSP封裝（0.63mm x 0.63mm），適用於空間受限設計
• 低壓差電壓：300mA時典型值120mV
• 低靜態電流：典型值25µA
• 高PSRR：1kHz時60dB
• 低輸出噪聲：30µVrms
• 與陶瓷電容器兼容穩定
• 過流和過熱保護

典型應用場景

• 5G基站電源管理
• 汽車儀表盤顯示
• 便攜式醫療設備
• 可穿戴電子設備
• 物聯網傳感器和模塊
• 電池供電設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TPS7A21345PYWDJ 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。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
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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

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 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。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 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]