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TL431BVDR2G
+BOMIC VREF SHUNT ADJ 0.4% 8SOIC
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メーカーオンセミコンダクター社
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メーカー品番 #TL431BVDR2G
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在庫状況8546
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 | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Current - Output | 100 mA |
| Tolerance | ±0.4% |
| Temperature Coefficient | 50ppm/°C Typical |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | TL431 |
| Current - Cathode | 1 mA |
| Voltage - Output (Max) | 36 V |
概要
Description
Key features include a wide operating current range (from 1 mA to 100 mA), low output voltage tolerance, and a wide temperature stability, making it reliable over various environmental conditions. The output voltage of the TL431BVDR2G can be adjusted to any value between 2.5 V and 36 V using two external resistors. It offers improved stability and precision over standard zener diodes and is packaged for surface-mount applications, making it compact and efficient for modern electronic designs. This part is often employed in battery chargers, power supplies, and LED drivers, where precise voltage control is essential.
Equivalent
1. LM431 series (e.g., LM431B)
2. KA431 series
3. AS431 series
4. AZ431 series
5. TL1431 series
These alternatives offer similar functionality and are often used in voltage reference and regulation applications. Always verify specifications and pin configurations when selecting an equivalent.
Features
1. Adjustable Output Voltage: The device can be adjusted from 2.5V to 36V, providing flexibility for various applications.
2. Precision: It offers tight voltage tolerance, often with a typical reference voltage tolerance of ±0.5% at 25°C, ensuring high accuracy.
3. Wide Operating Range: It operates effectively over a broad range of temperatures, typically from -40°C to 85°C, making it suitable for various environmental conditions.
4. Output Current: It can sink current ranging from 1 mA to 100 mA, accommodating different load requirements.
5. Low Temperature Coefficient: Ensures minimal variation in the reference voltage over temperature changes.
6. Low Cathode Current: The device features a low cathode current requirement, often around 1 mA, enhancing efficiency.
7. Applications: Commonly used in linear regulators, switching power supplies, and battery-operated devices.
These features make the TL431BVDR2G ideal for precision voltage regulation and reference applications in electronic systems.
Pinout
The three pins are:
1. Reference (R): This pin is used to set the output voltage by connecting external resistors.
2. Anode (A): This pin is connected to the ground or a negative voltage supply. It acts as the negative input terminal.
3. Cathode (K): This pin is the output terminal where the regulated voltage appears.
The TL431BVDR2G is commonly used in voltage reference applications, linear regulators, switching power supplies, and other circuits requiring precision voltage control.