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Product Overview
The LP5900SD-2.5 is a low-dropout (LDO) linear voltage regulator from Texas Instruments, offering a fixed output voltage of 2.5V with a maximum output current of 150mA. Housed in a compact 6-pin WSON package (2.2mm x 2.5mm), it is designed for space-constrained applications requiring high power supply rejection ratio (PSRR) and low noise. The device features a low dropout voltage of typically 120mV at full load, making it suitable for battery-powered systems. With an enable pin for power management, the LP5900SD-2.5 provides a reliable and efficient solution for noise-sensitive analog and digital circuits.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.5V (Fixed) |
| Output Current |
150mA (Max) |
| Dropout Voltage |
120mV (Typ @ 150mA) |
| PSRR |
70dB (Typ @ 1kHz) |
| Output Noise |
30µVrms (10Hz to 100kHz) |
| Quiescent Current |
25µA (Typ) |
| Enable Pin |
Active High |
| Operating Temperature |
-40°C to +125°C |
| Package |
6-WSON (2.2mm x 2.5mm) |
Key Features
- Fixed 2.5V output with ±2% accuracy
- Low dropout voltage: 120mV at 150mA
- High PSRR: 70dB at 1kHz
- Low output noise: 30µVrms
- Low quiescent current: 25µA
- Enable pin for power sequencing
- Thermal shutdown and overcurrent protection
- Small 6-WSON package (2.2mm x 2.5mm)
Target Applications
- 5G base station power management (e.g., for RF transceiver modules)
- Automotive dashboard displays (e.g., infotainment systems)
- Portable medical devices (e.g., glucose meters)
- Wireless sensor nodes (e.g., IoT endpoints)
- Audio codec power supply (e.g., smartphone audio circuits)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5900SD-2.5. 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
LP5900SD-2.5 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 2.5V 輸出電壓,最大輸出電流為 150mA。採用緊湊的 6 引腳 WSON 封裝(2.2mm x 2.5mm),專為需要高電源抑制比(PSRR)和低噪聲的空間受限應用而設計。該器件在滿載時典型壓差僅為 120mV,非常適合電池供電系統。通過使能引腳實現電源管理,LP5900SD-2.5 為噪聲敏感的模擬和數字電路提供可靠高效的解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.5V(固定) |
| 輸出電流 |
150mA(最大) |
| 壓差電壓 |
120mV(典型 @150mA) |
| PSRR |
70dB(典型 @1kHz) |
| 輸出噪聲 |
30µVrms(10Hz 至 100kHz) |
| 靜態電流 |
25µA(典型) |
| 使能引腳 |
高電平有效 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
6-WSON(2.2mm x 2.5mm) |
核心特性
- 固定 2.5V 輸出,精度 ±2%
- 低壓差:150mA 時典型 120mV
- 高 PSRR:1kHz 時 70dB
- 低輸出噪聲:30µVrms
- 低靜態電流:25µA
- 使能引腳用於電源排序
- 熱關斷和過流保護
- 小型 6-WSON 封裝(2.2mm x 2.5mm)
典型應用場景
- 5G 基站電源管理(例如射頻收發模塊)
- 汽車儀表板顯示(例如信息娛樂系統)
- 便攜式醫療設備(例如血糖儀)
- 無線傳感器節點(例如 IoT 終端)
- 音頻編解碼器電源(例如智能手機音頻電路)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5900SD-2.5 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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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。
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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。
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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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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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