Images à titre indicatif uniquement
TL431AILPR
+NomenclatureIC VREF SHUNT ADJ 1% TO92-3
-
FabricantTexas Instruments
-
Pièce fabricant #TL431AILPR
-
Package TO-92-3
-
En stock3756
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
Garantie produit authentique
Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±1% |
| Current - Cathode | 700 µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
Présentation
Description
Key specifications include a reference voltage of 2.495V with a typical tolerance of ±0.5%, low dynamic impedance, and a wide operating current range, typically from 1mA to 100mA. This makes it suitable for both low-power and high-power applications. The TL431AILPR is often used in power supplies, battery chargers, and as a voltage reference in analog-to-digital converters.
It is packaged in a small, surface-mountable form factor, typically a SOT-89 or similar, which is crucial for compact circuit design. Additionally, the device's stability and precision under varying temperatures and environmental conditions make it a reliable component in electronic design.
Equivalent
1. LM431 series (by Texas Instruments)
2. AZ431 series (by Diodes Incorporated)
3. KA431 series (by ON Semiconductor)
4. LMV431 series (by Texas Instruments)
5. TL432 series (another variant by Texas Instruments)
These components function as adjustable precision shunt regulators and are often used in voltage regulation circuits. Always check the datasheets for compatibility regarding voltage, current, and temperature specifications.
Features
1. Adjustable Output Voltage: The TL431AILPR allows for an adjustable output voltage ranging from 2.5V to 36V, achieved through an external resistor divider.
2. Precision Reference: It offers high stability with a tight tolerance of typically ±0.5%, ensuring accurate voltage regulation.
3. Temperature Stability: The device exhibits excellent temperature stability, typically with a low temperature coefficient which makes it suitable for operations across a wide temperature range.
4. Wide Operating Range: It operates over a cathode current range of 1 mA to 100 mA, making it versatile for various applications.
5. Low Dynamic Output Impedance: Typically around 0.2Ω, this feature ensures minimal output fluctuations with varying loads.
6. Package Options: The TL431AILPR is available in several package types, such as SOT-89 and TO-92, facilitating easy integration into different circuit designs.
These features make the TL431AILPR ideal for applications requiring a reliable and precise voltage reference, such as switching power supplies and battery chargers.
Pinout
Pin Count and Functions:
1. Cathode (K): This pin is the output of the shunt regulator and is connected to the cathode of the internal reference diode. It allows current to flow through the device and regulates the voltage across the device.
2. Anode (A): This pin is typically grounded or connected to the negative side of the circuit. It serves as the common return path for the current flowing through the device.
3. Reference (R): This pin is used to set the output voltage of the device. By connecting resistors in a potential divider network to this pin, the output voltage can be adjusted over a wide range.
The TL431AILPR is commonly available in different packages, such as SOT-23, and its precise voltage regulation capability makes it suitable for numerous electronic applications.