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Product Overview
The LP5907QMFX-2.8Q1 is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments, designed to deliver a fixed output voltage of 2.8V with a maximum output current of 250mA. Housed in a compact SOT-23-5 package, this device is ideal for space-constrained applications requiring low noise and high power supply rejection ratio (PSRR). It features ultra-low dropout voltage, making it suitable for battery-powered systems. The LP5907QMFX-2.8Q1 is qualified for automotive applications (AEC-Q100), ensuring reliability in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage |
2.8V (Fixed) |
| Output Current |
250mA (Max) |
| Dropout Voltage |
120mV (Typical at 250mA) |
| PSRR |
85dB at 1kHz |
| Output Noise |
6.5µVrms (10Hz to 100kHz) |
| Quiescent Current |
25µA (Typical) |
| Input Voltage Range |
2.2V to 5.5V |
| Operating Temperature |
-40°C to +125°C |
| Package |
SOT-23-5 |
| Qualification |
AEC-Q100 |
Key Features
- Ultra-low dropout voltage: 120mV at 250mA load
- High PSRR: 85dB at 1kHz, ideal for noise-sensitive circuits
- Low output noise: 6.5µVrms, suitable for RF and analog applications
- Low quiescent current: 25µA, extending battery life
- Stable with ceramic output capacitors (1µF typical)
- Thermal shutdown and current limit protection
- Automotive grade: AEC-Q100 qualified
Target Applications
- Automotive infotainment systems (e.g., dashboard displays, head units)
- Advanced driver-assistance systems (ADAS) modules
- 5G base station power management (e.g., small cell power rails)
- Portable and battery-powered devices (e.g., wearables, IoT sensors)
- Noise-sensitive analog circuits (e.g., audio codecs, sensor interfaces)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5907QMFX-2.8Q1. 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
LP5907QMFX-2.8Q1 是德州儀器(TI)推出的一款高性能低壓差線性穩壓器(LDO),提供固定的 2.8V 輸出電壓和最高 250mA 的輸出電流。該器件採用緊湊的 SOT-23-5 封裝,非常適合空間受限且需要低噪聲和高電源抑制比(PSRR)的應用。其超低壓差特性使其特別適用於電池供電系統。LP5907QMFX-2.8Q1 通過 AEC-Q100 汽車級認證,確保在惡劣環境下的可靠性。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 |
2.8V(固定) |
| 輸出電流 |
250mA(最大) |
| 壓差電壓 |
120mV(典型值,250mA 負載) |
| 電源抑制比 |
85dB @ 1kHz |
| 輸出噪聲 |
6.5µVrms(10Hz 至 100kHz) |
| 靜態電流 |
25µA(典型值) |
| 輸入電壓範圍 |
2.2V 至 5.5V |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
SOT-23-5 |
| 認證 |
AEC-Q100 |
核心特性
- 超低壓差:250mA 負載時僅 120mV
- 高 PSRR:1kHz 時 85dB,適用於噪聲敏感電路
- 低輸出噪聲:6.5µVrms,適合射頻和模擬應用
- 低靜態電流:25µA,延長電池壽命
- 與陶瓷輸出電容(典型 1µF)穩定工作
- 過熱關斷和限流保護
- 汽車級認證:AEC-Q100
典型應用場景
- 汽車信息娛樂系統(例如儀表板顯示、主機單元)
- 先進駕駛輔助系統(ADAS)模塊
- 5G 基站電源管理(例如小基站電源軌)
- 便攜式和電池供電設備(例如可穿戴設備、IoT 傳感器)
- 噪聲敏感模擬電路(例如音頻編解碼器、傳感器接口)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5907QMFX-2.8Q1 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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