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LM431CCM3
+BOMIC VREF SHUNT -0.6/+0.4% SOT23-3
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LM431CCM3
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データシート LM431CCM3 DataSheet
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在庫状況3163
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Obsolete |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 100 mA |
| Tolerance | -0.6%, +0.4% |
| Temperature Coefficient | 50ppm/°C Typical |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| Base Product Number | LM431 |
| Current - Cathode | 1 mA |
| Voltage - Output (Max) | 37 V |
概要
Description
Key specifications include a low output impedance, high accuracy, and temperature stability, ensuring reliable performance in demanding environments. The LM431 is often used in power supplies, battery chargers, and as a reference for analog-to-digital converters.
Additionally, it has low thermal drift and offers a wide operating temperature range, making it suitable for automotive and industrial applications. The device is commonly available in surface-mount packages like the TO-220 or SOT-23, facilitating integration into compact designs. Overall, the LM431CCM3 is a robust choice for precision voltage regulation in electronic circuits.
Equivalent
Features
1. Output Voltage: Adjustable output voltage from 1.24V to 37V, allowing for versatility in circuit design.
2. Accuracy: High initial accuracy of ±1% at 25°C, ensuring reliable performance.
3. Temperature Coefficient: Low temperature coefficient of 50 ppm/°C, which enhances stability across varying temperatures.
4. Output Impedance: Low output impedance of 0.2Ω, providing better load regulation.
5. Dynamic Performance: Fast response time, suitable for high-speed applications.
6. Operating Current Range: Functions with a cathode current range from 1 mA to 100 mA, making it suitable for various load conditions.
7. Package Type: Available in TO-92 and surface mount (SOT-23) packages, facilitating easy integration into circuits.
8. Applications: Commonly used in power supplies, voltage regulation, and reference applications in both consumer and industrial electronics.
These features make the LM431CCM3 a versatile choice for designers needing an adjustable voltage reference.
Pinout
### Pin Functions:
1. Reference (REF): This pin serves as the reference voltage output, typically set at 1.24V. It can be connected to a resistor divider to achieve a desired output voltage.
2. Anode (A): The anode is connected to the load or power supply’s return path, allowing the device to shunt excess voltage.
3. Cathode (K): The cathode is the output pin where regulated voltage is provided to the load. It is connected to the positive supply voltage.
The LM431 is widely used in applications requiring precision voltage regulation, such as power supply circuits and voltage reference tasks.
Manufacturer
The LM431CCM3 is a programmable shunt voltage reference, widely used in power management and voltage regulation applications, enabling precision voltage control in circuits. Texas Instruments emphasizes quality and reliability in its products, making it a preferred choice for engineers and designers seeking robust electronic components.
Application
1. Power Supply Regulation: As a voltage reference in power converters and linear regulators.
2. Feedback Control: For maintaining stable output voltage in switching power supplies.
3. Battery Management: In systems requiring voltage monitoring and regulation.
4. Instrumentation: In precision measurement systems for reference voltage generation.
5. Consumer Electronics: In devices needing voltage regulation for optimal performance.
6. Automotive Applications: Used for various sensor and control circuits requiring stable reference voltages.
Its versatility and precision make it suitable for many electronic designs.