Overview
The TL431SDT,215 is a 3-terminal shunt regulator integrated circuit produced by NXP USA Inc. This component is part of the TL431 family, known for its adjustable output voltage range between the reference voltage (Vref) and 36 V, set by two external resistors. The TL431SDT,215 is designed for standard requirements and linear applications, offering enhanced stability and higher Electro-Magnetic Interference (EMI) ruggedness, making it suitable for various power management scenarios, including Switch Mode Power Supply (SMPS) applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package | SOT-23-3 (TO-236AB) |
| Output Type | Adjustable Voltage Output |
| Minimum Output Voltage | 2.495 V |
| Maximum Output Voltage | 36 V |
| Output Current | 100 mA |
| Operating Temperature Range | -40°C to 125°C (TA) |
| Noise (0.1 Hz to 10 Hz) | - |
| Noise (10 Hz to 10 kHz) | - |
| RoHS Status | Lead Free / RoHS Compliant |
Key Features
- High-Precision Voltage Reference: The TL431SDT,215 provides a stable and accurate voltage reference with a minimum output voltage of 2.495 V and an adjustable range up to 36 V.
- Low Power Consumption: This IC has extremely low power consumption, making it suitable for long-term operating applications.
- Low Noise Characteristics: It features low noise levels in the frequency ranges of 0.1 Hz to 10 Hz and 10 Hz to 10 kHz, ensuring high-precision voltage references.
- Wide Operating Temperature Range: The IC operates stably in a temperature range of -40°C to 125°C, adapting to various harsh environments.
- Compact Packaging: The SOT-23-3 package is small and easy to integrate into various circuit boards, facilitating automated production and storage.
Applications
- Measurement and Calibration: Used in voltmeters, ammeters, power meters, and other measuring devices to provide accurate voltage references.
- Voltage Regulation: Serves as a stable voltage source for voltage regulators, voltage references, and voltage monitors in power management circuits, switching power supplies, linear regulators, and battery-powered equipment.
- Communication Systems: Utilized in wireless transceivers, cellular base stations, satellite communication systems, and network infrastructure equipment to maintain stable reference voltages for signal processing and frequency synthesis.
- Sensor Interfaces: Used in sensor interface circuits for conditioning sensor signals and providing accurate reference voltages for sensor calibration in applications such as temperature sensors, pressure sensors, and strain gauges.
Q & A
- What is the TL431SDT,215 used for?
The TL431SDT,215 is used as a shunt regulator to provide a stable and adjustable voltage reference in various applications, including measurement, voltage regulation, communication systems, and sensor interfaces.
- What is the output voltage range of the TL431SDT,215?
The output voltage range of the TL431SDT,215 is adjustable between the reference voltage (Vref) of 2.495 V and 36 V, set by two external resistors.
- What is the operating temperature range of the TL431SDT,215?
The operating temperature range of the TL431SDT,215 is -40°C to 125°C (TA).
- What package type does the TL431SDT,215 come in?
The TL431SDT,215 comes in a SOT-23-3 (TO-236AB) package.
- Is the TL431SDT,215 RoHS compliant?
- What are the noise characteristics of the TL431SDT,215?
The TL431SDT,215 has low noise levels in the frequency ranges of 0.1 Hz to 10 Hz and 10 Hz to 10 kHz.
- What is the maximum output current of the TL431SDT,215?
The maximum output current of the TL431SDT,215 is 100 mA.
- How is the TL431SDT,215 used in measurement and calibration applications?
The TL431SDT,215 is used to provide accurate voltage references for calibrating measuring devices such as voltmeters, ammeters, and power meters.
- Can the TL431SDT,215 be used in communication systems?
- What are the benefits of using the TL431SDT,215 in sensor interface circuits?
The TL431SDT,215 provides accurate reference voltages for sensor calibration, ensuring consistent sensor performance in applications such as temperature sensors, pressure sensors, and strain gauges.
