Overview
The TL431ILPRM, produced by onsemi, is a programmable precision reference voltage regulator. This three-terminal shunt regulator diode is designed to provide a stable and adjustable reference voltage. The device is part of the TL431 series, known for its high accuracy and stability over a wide range of temperatures and operating conditions.
The TL431ILPRM is housed in a TO-92-3 package and is suitable for various applications requiring precise voltage regulation. It is compliant with industry standards such as EU RoHS and is categorized under the voltage references segment of power management components.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Reference Input Voltage | Vref | V | 2.44 | 2.495 | 2.55 |
| Cathode to Anode Voltage | VKA | V | - | - | 37 |
| Cathode Current Range | IK | mA | -100 | - | 150 |
| Reference Input Current Range | Iref | mA | -0.05 | - | 10 |
| Operating Junction Temperature | TJ | °C | - | - | 150 |
| Operating Ambient Temperature Range | TA | °C | -40 | - | 85 |
| Dynamic Impedance | |ZKA| | Ω | 0.22 | - | 0.5 |
| Off-State Cathode Current | Ioff | nA | 20 | - | 1000 |
Key Features
- Adjustable Output Voltage: The TL431ILPRM allows for an adjustable output voltage ranging from Vref to 36V, providing flexibility in various applications.
- Precision Reference Voltage: The device offers high precision with initial tolerances of 0.5% (B grade), 1% (A grade), and 2% (Standard grade) at 25°C.
- Low Output Noise and Impedance: It features low output noise and a typical output impedance of 0.2Ω, ensuring stable voltage regulation.
- Wide Temperature Range: The TL431ILPRM operates from -40°C to 85°C, making it suitable for a variety of environmental conditions.
- High Stability Over Temperature: The device exhibits low temperature drift, ensuring good stability over the entire temperature range).
- Sink-Current Capability: It can sink currents from 1mA to 100mA, making it versatile for different load requirements).
Applications
- Voltage Regulation: The TL431ILPRM is commonly used in voltage regulation circuits where a stable and adjustable reference voltage is required.
- Power Supplies: It is used in power supply designs to provide a precise voltage reference for feedback loops.
- Industrial Control Systems: The device is suitable for industrial control systems that require stable voltage references over a wide temperature range.
- Automotive Electronics: Although not AEC qualified, it can be used in various automotive electronic systems where precise voltage regulation is necessary.
- Consumer Electronics: It is also used in consumer electronics for voltage regulation in devices such as audio equipment and other electronic appliances.
Q & A
- What is the adjustable output voltage range of the TL431ILPRM?
The adjustable output voltage range of the TL431ILPRM is from Vref to 36V.
- What are the initial tolerance grades available for the TL431ILPRM?
The TL431ILPRM is available in three grades: 0.5% (B grade), 1% (A grade), and 2% (Standard grade) at 25°C).
- What is the operating temperature range of the TL431ILPRM?
The TL431ILPRM operates from -40°C to 85°C).
- What is the typical output impedance of the TL431ILPRM?
The typical output impedance of the TL431ILPRM is 0.2Ω).
- What is the sink-current capability of the TL431ILPRM?
The TL431ILPRM can sink currents from 1mA to 100mA).
- What is the dynamic impedance of the TL431ILPRM?
The dynamic impedance of the TL431ILPRM is typically between 0.22Ω and 0.5Ω).
- Is the TL431ILPRM compliant with EU RoHS regulations?
Yes, the TL431ILPRM is compliant with EU RoHS regulations).
- What is the typical temperature drift of the TL431ILPRM?
The typical temperature drift of the TL431ILPRM is 6mV for C temp and 14mV for I and Q temps).
- What is the off-state cathode current of the TL431ILPRM?
The off-state cathode current of the TL431ILPRM is between 20nA and 1000nA).
- What package type is the TL431ILPRM available in?
The TL431ILPRM is available in a TO-92-3 package).
