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Product Overview
The LP38842MR-ADJ/NOPB is a high-performance, adjustable output low-dropout (LDO) linear regulator from Texas Instruments. It is designed to deliver up to 800mA of output current with a dropout voltage of typically 120mV at full load. The device operates from an input voltage range of 2.5V to 5.5V and provides an adjustable output voltage from 0.8V to 4.5V. Housed in an 8-pin SO-PowerPAD package, it offers excellent thermal performance for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current |
800 mA |
| Dropout Voltage (Typ) |
120 mV @ 800 mA |
| Input Voltage Range |
2.5 V to 5.5 V |
| Adjustable Output Voltage |
0.8 V to 4.5 V |
| Output Voltage Accuracy |
±1.5% |
| PSRR |
60 dB @ 1 kHz |
| Quiescent Current |
3 mA (typical) |
| Shutdown Current |
0.01 µA (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SO-PowerPAD |
Key Features
- Low dropout voltage: 120 mV typical at 800 mA
- Adjustable output voltage from 0.8V to 4.5V
- High output current: 800 mA
- Excellent line and load transient response
- Low quiescent current: 3 mA typical
- Shutdown current less than 1 µA
- Thermal shutdown and current limit protection
- Stable with ceramic output capacitors
- 8-pin SO-PowerPAD package for enhanced thermal dissipation
Target Applications
- 5G base station power management
- Automotive dashboard displays
- Industrial control systems
- Portable and battery-powered equipment
- FPGA and DSP core voltages
- Post-regulation for switching power supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP38842MR-ADJ/NOPB. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LP38842MR-ADJ/NOPB 是德州儀器(TI)推出的一款高性能、可調輸出低壓差線性穩壓器(LDO)。它能夠提供高達 800mA 的輸出電流,在滿載時典型壓差僅為 120mV。該器件的工作輸入電壓範圍為 2.5V 至 5.5V,可調輸出電壓範圍為 0.8V 至 4.5V。採用 8 引腳 SO-PowerPAD 封裝,為空間受限的應用提供了出色的熱性能。
詳細技術參數
| 參數 |
數值 |
| 輸出電流 |
800 mA |
| 典型壓差 |
120 mV @ 800 mA |
| 輸入電壓範圍 |
2.5 V 至 5.5 V |
| 可調輸出電壓 |
0.8 V 至 4.5 V |
| 輸出電壓精度 |
±1.5% |
| 電源抑制比 |
60 dB @ 1 kHz |
| 靜態電流 |
3 mA(典型值) |
| 關斷電流 |
0.01 µA(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SO-PowerPAD |
核心特性
- 低壓差:800mA 時典型值 120mV
- 可調輸出電壓:0.8V 至 4.5V
- 高輸出電流:800mA
- 優異的線性和負載瞬態響應
- 低靜態電流:典型值 3mA
- 關斷電流小於 1µA
- 熱關斷和電流限制保護
- 可與陶瓷輸出電容穩定工作
- 8 引腳 SO-PowerPAD 封裝,增強散熱
典型應用場景
- 5G 基站電源管理
- 汽車儀表板顯示
- 工業控制系統
- 便攜式和電池供電設備
- FPGA 和 DSP 核心電壓
- 開關電源後級穩壓
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP38842MR-ADJ/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:
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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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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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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。
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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。
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