LP38691QSDX-1.8/NOPB TI LDO Regulator | 6-WSON (3x3) | 1.8V Fixed Output, 500mA

Product Overview

The LP38691QSDX-1.8/NOPB is a low-dropout (LDO) linear voltage regulator from Texas Instruments, offering a fixed output voltage of 1.8V with a maximum output current of 500mA. Housed in a compact 6-pin WSON package (3x3 mm), this device is designed for space-constrained applications requiring high efficiency and low noise. It features a low dropout voltage of typically 250mV at full load, making it suitable for battery-powered systems. The LP38691QSDX-1.8/NOPB is qualified for automotive applications (AEC-Q100) and operates over a wide temperature range of -40°C to +125°C.

Detailed Technical Specifications

Key Features

• Fixed 1.8V output with ±2% accuracy
• Low dropout voltage: 250mV at 500mA
• Low quiescent current: 55µA typical
• High PSRR: 60dB at 1kHz
• Low output noise: 30µVrms
• Stable with ceramic output capacitors (1µF min)
• Built-in overcurrent and thermal protection
• AEC-Q100 qualified for automotive applications
• Enable pin for shutdown mode (IQ < 1µA)

Target Applications

The LP38691QSDX-1.8/NOPB is ideal for powering sensitive analog and digital circuits in automotive and industrial systems. Specific examples include:

• 5G base station power management modules
• Automotive infotainment and dashboard displays
• Portable battery-powered devices (e.g., medical monitors)
• Industrial sensor nodes and IoT modules
• FPGA and DSP core voltage regulation

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP38691QSDX-1.8/NOPB. 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

LP38691QSDX-1.8/NOPB 是德州儀器（TI）推出的一款低壓差線性穩壓器（LDO），提供固定的1.8V輸出電壓，最大輸出電流為500mA。該器件採用緊湊的6引腳WSON封裝（3x3 mm），專為需要高效率、低噪聲的空間受限應用而設計。在滿載條件下，典型壓差僅為250mV，非常適合電池供電系統。LP38691QSDX-1.8/NOPB 符合汽車級AEC-Q100認證，工作溫度範圍為-40°C至+125°C。

詳細技術參數

核心特性

• 固定1.8V輸出，精度±2%
• 低壓差：500mA時典型值250mV
• 低靜態電流：典型55µA
• 高PSRR：1kHz時60dB
• 低輸出噪聲：30µVrms
• 可使用陶瓷輸出電容（最小1µF）穩定工作
• 內置過流和過熱保護
• 通過AEC-Q100汽車級認證
• 使能引腳支持關斷模式（IQ < 1µA）

典型應用場景

LP38691QSDX-1.8/NOPB 適用於汽車和工業系統中對噪聲敏感的模擬和數字電路供電。具體應用包括：

• 5G基站電源管理模塊
• 汽車信息娛樂系統和儀表盤顯示
• 便攜式電池供電設備（如醫療監護儀）
• 工業傳感器節點和物聯網模塊
• FPGA和DSP內核電壓調節

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP38691QSDX-1.8/NOPB 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。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• 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]