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Product Overview
The LM431CIZ/NOPB is a precision adjustable shunt voltage reference from Texas Instruments. It offers a programmable output voltage from 2.495V to 36V via two external resistors. Housed in a TO-92-3 package, it features a typical temperature coefficient of 50 ppm/°C and a 1% initial tolerance. The device operates over a wide current range of 1 mA to 100 mA, making it suitable for various applications requiring a stable reference voltage.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (Vref) |
2.495V (adjustable up to 36V) |
| Initial Tolerance |
±1% (typical) |
| Temperature Coefficient |
50 ppm/°C (typical) |
| Operating Cathode Current (Ik) |
1 mA to 100 mA |
| Minimum Cathode Current for Regulation |
1 mA |
| Reference Input Impedance |
0.2 Ω (typical) |
| Output Impedance |
0.15 Ω (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
TO-92-3 |
Key Features
- Adjustable output voltage from 2.495V to 36V
- 1% initial tolerance
- Low temperature coefficient: 50 ppm/°C
- Wide operating current range: 1 mA to 100 mA
- Low output impedance: 0.15 Ω
- Fast turn-on response
- Pb-free and RoHS compliant
Target Applications
- Precision voltage references for 5G base station power supplies
- Automotive dashboard display power management
- Industrial sensor interfaces
- Battery charging circuits
- Data converter references (ADC/DAC)
- Power supply monitoring and protection
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM431CIZ/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
LM431CIZ/NOPB 是德州儀器(TI)生產的一款精密可調並聯電壓基準。通過兩個外部電阻,輸出電壓可在 2.495V 至 36V 之間編程。採用 TO-92-3 封裝,典型溫度係數為 50 ppm/°C,初始精度為 1%。器件工作電流範圍寬(1 mA 至 100 mA),適用於需要穩定基準電壓的各種應用。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 (Vref) |
2.495V(可調至 36V) |
| 初始精度 |
±1%(典型值) |
| 溫度係數 |
50 ppm/°C(典型值) |
| 陰極工作電流 (Ik) |
1 mA 至 100 mA |
| 最小穩壓陰極電流 |
1 mA |
| 基準輸入阻抗 |
0.2 Ω(典型值) |
| 輸出阻抗 |
0.15 Ω(典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
TO-92-3 |
核心特性
- 可調輸出電壓:2.495V 至 36V
- 初始精度:1%
- 低溫度係數:50 ppm/°C
- 寬工作電流範圍:1 mA 至 100 mA
- 低輸出阻抗:0.15 Ω
- 快速啟動響應
- 無鉛且符合 RoHS 標準
典型應用場景
- 5G 基站電源中的精密電壓基準
- 汽車儀表顯示屏電源管理
- 工業傳感器接口
- 電池充電電路
- 數據轉換器基準(ADC/DAC)
- 電源監控與保護
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM431CIZ/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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