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Product Overview
The LP3855ES-ADJ/NOPB is a high-performance adjustable low-dropout (LDO) voltage regulator from Texas Instruments. It is designed to deliver up to 1.5A of output current with a dropout voltage of typically 0.38V at full load. The device operates over a wide input voltage range from 2.5V to 7V and provides an adjustable output voltage from 1.2V to 5.5V. Housed in a TO-263 (DDPAK-5) package, it offers excellent thermal performance and is suitable for space-constrained applications requiring high current and low noise.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current |
1.5A |
| Dropout Voltage (Typical) |
0.38V @ 1.5A |
| Input Voltage Range |
2.5V to 7V |
| Output Voltage Range |
1.2V to 5.5V (Adjustable) |
| Output Voltage Accuracy |
±1.5% |
| Quiescent Current |
3mA (Typical) |
| PSRR |
60dB @ 1kHz |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-5) |
Key Features
- Adjustable output voltage from 1.2V to 5.5V
- Low dropout voltage: 0.38V typical at 1.5A
- High output current: 1.5A
- Low quiescent current: 3mA typical
- Excellent line and load transient response
- Output voltage accuracy: ±1.5%
- Enable pin for power sequencing
- Overcurrent and overtemperature protection
- Wide operating temperature range: -40°C to +125°C
- RoHS compliant and lead-free (NOPB)
Target Applications
- 5G base station power management
- Automotive infotainment and dashboard systems
- Industrial control systems
- FPGA and DSP core voltages
- Networking equipment (routers, switches)
- Medical devices
- Portable and battery-powered equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP3855ES-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.
-
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
LP3855ES-ADJ/NOPB 是德州儀器(TI)推出的一款高性能可調節低壓差(LDO)穩壓器。該器件能夠提供高達 1.5A 的輸出電流,在滿載時典型壓差僅為 0.38V。它支持 2.5V 至 7V 的寬輸入電壓範圍,並提供 1.2V 至 5.5V 的可調節輸出電壓。採用 TO-263(DDPAK-5)封裝,具有優異的熱性能,適用於需要高電流和低噪聲的空間受限應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電流 |
1.5A |
| 典型壓差 |
0.38V @ 1.5A |
| 輸入電壓範圍 |
2.5V 至 7V |
| 輸出電壓範圍 |
1.2V 至 5.5V(可調節) |
| 輸出電壓精度 |
±1.5% |
| 靜態電流 |
3mA(典型值) |
| 電源抑制比 |
60dB @ 1kHz |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-5) |
核心特性
- 可調節輸出電壓:1.2V 至 5.5V
- 低壓差:1.5A 時典型值 0.38V
- 高輸出電流:1.5A
- 低靜態電流:典型值 3mA
- 優異的線性和負載瞬態響應
- 輸出電壓精度:±1.5%
- 使能引腳,用於電源排序
- 過流和過溫保護
- 寬工作溫度範圍:-40°C 至 +125°C
- 符合 RoHS 標準,無鉛(NOPB)
典型應用場景
- 5G 基站電源管理
- 汽車信息娛樂和儀表板系統
- 工業控制系統
- FPGA 和 DSP 核心電壓
- 網絡設備(路由器、交換機)
- 醫療設備
- 便攜式和電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP3855ES-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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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。
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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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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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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。
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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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