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Product Overview
The TLV431ILPR5 from Texas Instruments is a low-voltage, low-power precision shunt voltage reference. It offers a fixed 1.24V output with an initial accuracy of 1% and a typical temperature coefficient of 20 ppm/°C. The device operates over a wide cathode current range from 80 µA to 15 mA, making it suitable for battery-powered and portable applications. Housed in a TO-92 package, the TLV431ILPR5 is designed for space-constrained designs requiring a stable reference voltage.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (Vref) |
1.24 V |
| Initial Accuracy |
±1% |
| Temperature Coefficient |
20 ppm/°C (typical) |
| Cathode Current Range |
80 µA to 15 mA |
| Minimum Cathode Current for Regulation |
80 µA |
| Output Impedance |
0.2 Ω (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
TO-92 (3-lead) |
Key Features
- Low voltage operation: 1.24 V reference
- Low dynamic impedance: 0.2 Ω typical
- Wide cathode current range: 80 µA to 15 mA
- Low temperature coefficient: 20 ppm/°C typical
- High accuracy: 1% initial tolerance
- Low output noise
- Pb-free and RoHS compliant
Target Applications
- Battery-powered equipment (e.g., portable medical devices, handheld instruments)
- Power supply monitoring (e.g., 5G base station power modules, server PSUs)
- Data acquisition systems (e.g., industrial sensors, PLC analog inputs)
- Automotive electronics (e.g., dashboard voltage reference, infotainment systems)
- Consumer electronics (e.g., smart home controllers, wearable devices)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLV431ILPR5. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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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
TLV431ILPR5 是德州儀器 (TI) 推出的一款低電壓、低功耗精密並聯電壓參考源。它提供固定的 1.24V 輸出,初始精度為 1%,典型溫度係數為 20 ppm/°C。該器件可在 80 µA 至 15 mA 的寬陰極電流範圍內工作,非常適合電池供電和便攜式應用。TLV431ILPR5 採用 TO-92 封裝,專為需要穩定參考電壓的空間受限設計而設計。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 (Vref) |
1.24 V |
| 初始精度 |
±1% |
| 溫度係數 |
20 ppm/°C (典型值) |
| 陰極電流範圍 |
80 µA 至 15 mA |
| 調節所需最小陰極電流 |
80 µA |
| 輸出阻抗 |
0.2 Ω (典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
TO-92 (3引腳) |
核心特性
- 低電壓操作:1.24 V 參考電壓
- 低動態阻抗:典型值 0.2 Ω
- 寬陰極電流範圍:80 µA 至 15 mA
- 低溫度係數:典型值 20 ppm/°C
- 高精度:初始容差 1%
- 低輸出噪聲
- 無鉛且符合 RoHS 標準
典型應用場景
- 電池供電設備(例如:便攜式醫療設備、手持儀器)
- 電源監控(例如:5G 基站電源模塊、服務器電源)
- 數據採集系統(例如:工業傳感器、PLC 模擬輸入)
- 汽車電子(例如:儀表板電壓參考、信息娛樂系統)
- 消費電子(例如:智能家居控制器、可穿戴設備)
環球供應鏈與批發合作夥伴方案
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