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Product Overview
The LP3964ES-ADJ/NOPB is a high-performance adjustable low-dropout (LDO) voltage regulator from Texas Instruments (TI). Designed for applications requiring low noise and high accuracy, this device delivers up to 800 mA of output current with a dropout voltage of typically 240 mV at full load. The adjustable output voltage range is from 1.216 V to 20 V, set by external resistors. Housed in a TO-263 (DDPAK-5) package, it offers excellent thermal performance for demanding environments. The LP3964 features a fast transient response, making it suitable for powering sensitive analog and digital circuits.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current (Max) |
800 mA |
| Dropout Voltage (Typical) |
240 mV @ 800 mA |
| Adjustable Output Voltage Range |
1.216 V to 20 V |
| Output Voltage Accuracy |
±1.5% |
| Line Regulation |
0.02%/V |
| Load Regulation |
0.04%/A |
| Quiescent Current |
1.5 mA (typical) |
| Shutdown Current |
0.01 µA (typical) |
| PSRR |
60 dB @ 120 Hz |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- Adjustable output voltage from 1.216 V to 20 V
- Low dropout voltage: 240 mV typical at 800 mA
- High output current: up to 800 mA
- Excellent line and load regulation
- Low quiescent current: 1.5 mA typical
- Shutdown current: 0.01 µA typical
- Fast transient response
- Built-in thermal shutdown and current limit protection
- Wide operating temperature range: -40°C to +125°C
- Available in TO-263 (DDPAK-5) package for enhanced thermal dissipation
Target Applications
- 5G base station power management (e.g., powering RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial control systems (e.g., PLCs, motor drives)
- Medical equipment (e.g., patient monitors, diagnostic devices)
- Telecommunications infrastructure (e.g., routers, switches)
- Portable battery-powered devices requiring low dropout
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3964ES-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
LP3964ES-ADJ/NOPB 是德州儀器(TI)推出的一款高性能可調低壓差線性穩壓器(LDO)。該器件專為需要低噪聲和高精度的應用而設計,可提供高達 800 mA 的輸出電流,滿載時典型壓差電壓為 240 mV。可調輸出電壓範圍為 1.216 V 至 20 V,由外部電阻設定。採用 TO-263(DDPAK-5)封裝,具有出色的熱性能,適用於要求苛刻的環境。LP3964 具有快速瞬態響應,適合為敏感的模擬和數字電路供電。
詳細技術參數
| 參數 |
數值 |
| 最大輸出電流 |
800 mA |
| 典型壓差電壓 |
240 mV @ 800 mA |
| 可調輸出電壓範圍 |
1.216 V 至 20 V |
| 輸出電壓精度 |
±1.5% |
| 線性調整率 |
0.02%/V |
| 負載調整率 |
0.04%/A |
| 靜態電流 |
1.5 mA(典型值) |
| 關斷電流 |
0.01 µA(典型值) |
| 電源抑制比 |
60 dB @ 120 Hz |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 可調輸出電壓:1.216 V 至 20 V
- 低壓差電壓:800 mA 時典型值 240 mV
- 高輸出電流:高達 800 mA
- 優異的線性和負載調整率
- 低靜態電流:典型值 1.5 mA
- 關斷電流:典型值 0.01 µA
- 快速瞬態響應
- 內置熱關斷和電流限制保護
- 寬工作溫度範圍:-40°C 至 +125°C
- 採用 TO-263(DDPAK-5)封裝,增強散熱性能
典型應用場景
- 5G 基站電源管理(例如為射頻收發器供電)
- 汽車儀表板顯示和信息娛樂系統
- 工業控制系統(例如 PLC、電機驅動)
- 醫療設備(例如病人監護儀、診斷設備)
- 電信基礎設施(例如路由器、交換機)
- 需要低壓差的便攜式電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3964ES-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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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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