Overview
The TLVH431BIL3T is a low-power adjustable shunt voltage reference manufactured by STMicroelectronics. This component is designed to provide a stable voltage reference with adjustable output voltage, making it versatile for various applications. The TLVH431BIL3T operates over a wide temperature range and is available in compact surface-mounted packages, making it ideal for space-restricted designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage (VREF) | 1.234 to 1.246 | V |
| Adjustable Output Voltage | 1.24 V to 18 V | V |
| Voltage Precision | 0.25% | - |
| Operating Current | 100 μA at 25°C | A |
| Sink Current Capability | Up to 60 mA | A |
| Temperature Range | -40°C to +125°C | °C |
| Maximum Temperature Coefficient | 100 ppm/°C | - |
| Dynamic Impedance | Typical 0.22 Ω | Ω |
| Package Type | SOT23-3L | - |
Key Features
- Adjustable Output Voltage: The output voltage can be set to any value between 1.24 V and 18 V using an external resistor divider.
- Low Operating Current: Operates with a low current of 100 μA at 25°C, making it suitable for power-restricted designs.
- High Precision: Available with voltage precision options of 0.25%, 0.5%, 1%, and 1.5%.
- Wide Current Range: Supports a wide cathode current range from 100 μA to 60 mA.
- Compact Packaging: Available in SOT23-3L, SOT23-5L, and SOT323-6L surface-mounted packages, ideal for space-saving designs.
- Temperature Stability: Guaranteed temperature stability over the entire operating temperature range of -40°C to +125°C.
Applications
- Data Acquisition Systems: Used as a precise voltage reference in data acquisition systems.
- Battery Operated Equipment: Suitable for battery-operated devices due to its low operating current.
- Switch Mode Power Supplies: Used in secondary side regulation in flyback SMPSs.
- Energy Management: Applied in energy management systems for precise voltage referencing.
- Comparators and Voltage Monitoring: Can be used as a comparator with an integrated reference or for voltage monitoring of power rails.
Q & A
- What is the adjustable output voltage range of the TLVH431BIL3T?
The output voltage can be set to any value between 1.24 V and 18 V using an external resistor divider.
- What is the operating current of the TLVH431BIL3T at 25°C?
The operating current is 100 μA at 25°C.
- What are the available voltage precision options for the TLVH431BIL3T?
The available voltage precision options are 0.25%, 0.5%, 1%, and 1.5%.
- What is the maximum sink current capability of the TLVH431BIL3T?
The maximum sink current capability is up to 60 mA.
- What is the temperature range of the TLVH431BIL3T?
The temperature range is -40°C to +125°C.
- What are the available package types for the TLVH431BIL3T?
The component is available in SOT23-3L, SOT23-5L, and SOT323-6L packages.
- What is the typical dynamic impedance of the TLVH431BIL3T?
The typical dynamic impedance is 0.22 Ω.
- Can the TLVH431BIL3T be used in battery-operated equipment?
- What are some common applications of the TLVH431BIL3T?
- How does the TLVH431BIL3T ensure temperature stability?
