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Product Overview
The LP2998MA/NOPB is a linear regulator IC from Texas Instruments, specifically designed for DDR termination applications. It provides a low-noise, high-accuracy output voltage of VDDQ/2, supporting DDR, DDR2, DDR3, and DDR4 memory systems. Housed in an 8-pin SOIC package, this device delivers up to 1.5A of continuous output current with excellent transient response. The LP2998MA/NOPB operates from a 2.5V to 5.5V input supply and features a low dropout voltage, making it ideal for power-sensitive designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Output Voltage |
VDDQ/2 (typically 0.9V to 1.8V) |
| Output Current |
1.5A (continuous) |
| Dropout Voltage |
200mV at 1.5A |
| Accuracy |
±1.5% |
| Quiescent Current |
3.5mA (typical) |
| PSRR |
60dB at 1kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SOIC |
Key Features
- High output current: 1.5A
- Low dropout voltage: 200mV at 1.5A
- High accuracy: ±1.5% over line, load, and temperature
- Low quiescent current: 3.5mA
- Excellent transient response
- Thermal shutdown and current limit protection
- Small 8-SOIC package
Target Applications
- DDR/DDR2/DDR3/DDR4 memory termination (VTT)
- 5G base station power management
- Automotive infotainment and dashboard systems
- Industrial control systems
- Networking equipment (routers, switches)
- FPGA and ASIC core supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP2998MA/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
LP2998MA/NOPB 是德州儀器(TI)推出的一款線性穩壓器 IC,專為 DDR 終端應用設計。它提供低噪聲、高精度的 VDDQ/2 輸出電壓,支持 DDR、DDR2、DDR3 和 DDR4 記憶體系統。該器件採用 8 引腳 SOIC 封裝,可提供高達 1.5A 的連續輸出電流,並具有出色的瞬態響應。LP2998MA/NOPB 的工作輸入電壓範圍為 2.5V 至 5.5V,具有低壓差特性,非常適合對功耗敏感的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 輸出電壓 |
VDDQ/2(典型值 0.9V 至 1.8V) |
| 輸出電流 |
1.5A(連續) |
| 壓差電壓 |
200mV @ 1.5A |
| 精度 |
±1.5% |
| 靜態電流 |
3.5mA(典型值) |
| 電源抑制比 |
60dB @ 1kHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 高輸出電流:1.5A
- 低壓差電壓:200mV @ 1.5A
- 高精度:±1.5%(線性、負載和溫度範圍內)
- 低靜態電流:3.5mA
- 出色的瞬態響應
- 熱關斷和電流限制保護
- 小型 8-SOIC 封裝
典型應用場景
- DDR/DDR2/DDR3/DDR4 記憶體終端(VTT)
- 5G 基站電源管理
- 汽車資訊娛樂和儀表板系統
- 工業控制系統
- 網路設備(路由器、交換機)
- FPGA 和 ASIC 核心供電
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP2998MA/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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