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TL431LIBQDBZR
+BOMIC VREF SHUNT ADJ 0.5% 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 #TL431LIBQDBZR
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在庫状況6835
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 |
| Base Product Number | TL431 |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Current - Output | 15 mA |
| Tolerance | ±0.5% |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| Voltage - Output (Max) | 36 V |
| Current - Cathode | 1 mA |
概要
Description
The TL431LIBQDBZR is a precision adjustable shunt voltage regulator. It is commonly used in applications requiring a stable reference voltage, such as power supplies and battery chargers. This device offers an output voltage that can be adjusted from 2.5V to 36V with two external resistors, allowing for flexibility in various circuit designs. The TL431LIBQDBZR is known for its low temperature coefficient and high stability over temperature changes, making it suitable for precision applications. It operates with a typical cathode current range of 1 to 100 mA, providing versatility in different load conditions. Additionally, this part is available in multiple package options, including SOT-23, which is ideal for compact circuit boards. Its features include a wide operating temperature range, low output noise, and fast turn-on response, making it a reliable choice for maintaining voltage accuracy in electronic circuits.
Equivalent
The TL431LIBQDBZR is a programmable precision reference voltage IC. Equivalent products include:
1. LM431 - by Texas Instruments
2. LMV431 - a low-voltage version by Texas Instruments
3. TLVH431 - a low-voltage reference by Texas Instruments
4. KA431 - by ON Semiconductor
5. AS431 - by Diodes Incorporated
6. UTC TL431 - by Unisonic Technologies
These alternatives offer similar functionality and can be used in various voltage regulation and reference applications.
1. LM431 - by Texas Instruments
2. LMV431 - a low-voltage version by Texas Instruments
3. TLVH431 - a low-voltage reference by Texas Instruments
4. KA431 - by ON Semiconductor
5. AS431 - by Diodes Incorporated
6. UTC TL431 - by Unisonic Technologies
These alternatives offer similar functionality and can be used in various voltage regulation and reference applications.
Features
The TL431LIBQDBZR is a precision programmable voltage reference. Key features include:
1. Adjustable Output Voltage: The reference voltage can be set from 2.495V to 36V with two external resistors, providing flexibility for various applications.
2. Precision: It offers a tight tolerance, typically ±0.5% at 25°C, ensuring accurate performance.
3. Temperature Stability: It maintains stability over a wide temperature range, with a typical deviation of 17 mV over the full temperature span.
4. Low Output Impedance: The device exhibits a low output impedance, enhancing its performance in regulating voltage.
5. Wide Operating Range: Supports anode-cathode voltage range from 2.5V to 37V, suitable for numerous power supply configurations.
6. Current Capabilities: Operates with a cathode current range from 1 mA to 100 mA.
7. Package Options: Available in SOT-23, a small footprint package that is space-efficient for compact designs.
These features make it ideal for use in precision power supply and voltage monitoring applications.
1. Adjustable Output Voltage: The reference voltage can be set from 2.495V to 36V with two external resistors, providing flexibility for various applications.
2. Precision: It offers a tight tolerance, typically ±0.5% at 25°C, ensuring accurate performance.
3. Temperature Stability: It maintains stability over a wide temperature range, with a typical deviation of 17 mV over the full temperature span.
4. Low Output Impedance: The device exhibits a low output impedance, enhancing its performance in regulating voltage.
5. Wide Operating Range: Supports anode-cathode voltage range from 2.5V to 37V, suitable for numerous power supply configurations.
6. Current Capabilities: Operates with a cathode current range from 1 mA to 100 mA.
7. Package Options: Available in SOT-23, a small footprint package that is space-efficient for compact designs.
These features make it ideal for use in precision power supply and voltage monitoring applications.
Pinout
The TL431LIBQDBZR is a programmable precision reference integrated circuit typically used for voltage regulation and as a shunt regulator. It comes in a SOT-23 package, which has 3 pins. The function of each pin is as follows:
1. Ref (Reference): This pin is used to set the reference voltage. By connecting a resistor network to this pin, you can program the output voltage level.
2. Anode: This pin is connected to the ground or the negative side of the power supply in a shunt regulator configuration.
3. Cathode: This pin acts as the output and is connected to the load. It is the positive side where the reference voltage is maintained.
The TL431LIBQDBZR can be used for various applications, including voltage regulation, as a comparator with integrated reference, and as a temperature-compensated programmable voltage reference. It is known for its accuracy and stability in providing a fixed voltage output.
1. Ref (Reference): This pin is used to set the reference voltage. By connecting a resistor network to this pin, you can program the output voltage level.
2. Anode: This pin is connected to the ground or the negative side of the power supply in a shunt regulator configuration.
3. Cathode: This pin acts as the output and is connected to the load. It is the positive side where the reference voltage is maintained.
The TL431LIBQDBZR can be used for various applications, including voltage regulation, as a comparator with integrated reference, and as a temperature-compensated programmable voltage reference. It is known for its accuracy and stability in providing a fixed voltage output.
Manufacturer
The TL431LIBQDBZR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, the company is known for its innovation in the semiconductor industry and its products are used in various applications including industrial, automotive, personal electronics, and communication equipment. Texas Instruments is a leader in analog and embedded processing technologies, providing essential components that are crucial for modern electronic devices.
Application
The TL431LIBQDBZR is a precision programmable shunt voltage reference commonly used in various applications. It is utilized in voltage regulation in power supplies, offering stable reference voltages. It serves in adjustable power supplies, switching power supplies, and battery chargers for better voltage accuracy. Additionally, it's used in data acquisition systems, operational amplifier gain control, and as a comparator in over-voltage protection circuits. Its precision and stability make it suitable for use in consumer electronics, automotive systems, and industrial controls where reliable voltage references are essential.
Package
The TL431LIBQDBZR is typically available in a SOT-23 package type. This is a small-outline, surface-mount package designed for compact applications in electronic devices, providing reliable performance in voltage reference applications.
