Overview
The TL431IPKG3 is a programmable shunt voltage reference produced by Texas Instruments. This device is optimized for its wide operating voltage range, low dynamic output impedance, and high output voltage accuracy. It is particularly suitable for various precision voltage reference applications due to its adjustable output voltage and stable performance over a broad temperature range.
Key Specifications
| Parameter | Value |
|---|---|
| Product Status | Active |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±2.2% |
| Current - Cathode | 1 mA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | TO-243AA (SOT-89-3) |
| Mounting Type | Surface Mount |
Key Features
- Programmable Shunt Voltage Reference: The TL431IPKG3 allows for the adjustment of its reference voltage from 2.5V to 36V using external resistors, making it versatile for various applications.
- Wide Operating Voltage Range: The device operates within a voltage range of 2.5V to 36V, enhancing its suitability for diverse applications.
- Low Dynamic Output Impedance and High Output Voltage Accuracy: This feature ensures stable and accurate output voltage, which is crucial for precision voltage reference applications.
- Low Output Noise and High Sink-Current Capability: The device has low output noise and can sink currents from 1mA to 100mA, making it reliable for demanding applications.
- Temperature Stability: The TL431IPKG3 operates from -40°C to 125°C, ensuring consistent performance across a wide temperature range.
Applications
- Voltage Regulator Circuits: The TL431IPKG3 is used to regulate voltage levels in various electronic devices and systems.
- Battery Chargers, Switching Power Supplies, and LED Drivers: This device is suitable for applications requiring precise voltage references.
- Amplifier Biasing and Current Limiting Circuits: The TL431IPKG3 can provide a stable reference voltage in amplifier circuits and other applications where temperature compensation is necessary.
Q & A
- What is the TL431IPKG3?
The TL431IPKG3 is a programmable shunt voltage reference produced by Texas Instruments, designed for precision voltage reference applications. - What is the operating voltage range of the TL431IPKG3?
The device operates within a voltage range of 2.5V to 36V. - What is the output current capability of the TL431IPKG3?
The TL431IPKG3 can sink currents from 1mA to 100mA. - What is the temperature range for the TL431IPKG3?
The device operates from -40°C to 85°C (TA). - How is the reference voltage of the TL431IPKG3 adjusted?
The reference voltage can be adjusted from 2.5V to 36V using external resistors. - What are the key features of the TL431IPKG3?
The key features include a programmable shunt voltage reference, wide operating voltage range, low dynamic output impedance, high output voltage accuracy, and low output noise. - What are some common applications of the TL431IPKG3?
Common applications include voltage regulator circuits, battery chargers, switching power supplies, LED drivers, amplifier biasing, and current limiting circuits. - What package type is the TL431IPKG3 available in?
The device is available in a TO-243AA (SOT-89-3) package. - What is the tolerance of the TL431IPKG3 at 25°C?
The tolerance is ±2.2% at 25°C. - Is the TL431IPKG3 suitable for automotive applications?
While the TL431IPKG3 itself is not specifically marked for automotive use, there is a variant (TL431-Q1) that is designed for automotive temperature ranges and applications.
