Overview
The TLVH431ACDBVR is a low-voltage adjustable precision shunt regulator produced by Texas Instruments. This device is part of the TLVH431 series, known for its low power consumption and wide operating range. It is designed to provide a stable reference voltage with adjustable output from 1.24V to 18V, making it versatile for various applications in industrial, automotive, telecommunications, and computing sectors.
The TLVH431ACDBVR operates with a minimum cathode current of 100µA and can handle up to 70mA of output current. It features a reference voltage tolerance of ±1% at 25°C and is available in several temperature grades, including 0°C to 70°C, –40°C to +85°C, and –40°C to +125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TLVH431ACDBVR |
| Package | SOT-23-5 |
| Reference Voltage (VREF) | 1.24V |
| Output Voltage Range | 1.24V to 18V |
| Output Current | Up to 70mA |
| Minimum Cathode Current | 100µA |
| Reference Voltage Tolerance | ±1% at 25°C |
| Operating Temperature Range | 0°C to 70°C (TA) |
| Mounting Type | Surface Mount |
Key Features
- Low-voltage operation down to 1.24V.
- Adjustable output voltage from 1.24V to 18V.
- Wide operating cathode current range: 100µA to 70mA.
- Low output impedance: 0.25Ω typical.
- Ultra-small SC-70 package offering a 40% smaller footprint than SOT-23-3.
- High thermal stability over industrial and commercial temperature ranges.
- Can be used as a shunt regulator, error amplifier, voltage clamp, or comparator with integrated reference).
Applications
- Adjustable voltage reference for data converters).
- Secondary side regulation in flyback SMPSs).
- Zener replacement with low leakage current).
- Voltage monitoring for power rails).
- Comparator with integrated reference).
Q & A
- What is the minimum operating voltage of the TLVH431ACDBVR?
The minimum operating voltage of the TLVH431ACDBVR is 1.24V).
- What is the maximum output current of the TLVH431ACDBVR?
The maximum output current of the TLVH431ACDBVR is up to 70mA).
- What are the temperature ranges for the TLVH431ACDBVR?
The TLVH431ACDBVR is available in temperature ranges of 0°C to 70°C, –40°C to +85°C, and –40°C to +125°C).
- What is the typical output impedance of the TLVH431ACDBVR?
The typical output impedance of the TLVH431ACDBVR is 0.25Ω).
- Can the TLVH431ACDBVR be used as a comparator?
- What are the common applications of the TLVH431ACDBVR?
- What is the minimum cathode current required for the TLVH431ACDBVR to operate properly?
The minimum cathode current required for the TLVH431ACDBVR to operate properly is 100µA).
- What is the reference voltage tolerance of the TLVH431ACDBVR at 25°C?
The reference voltage tolerance of the TLVH431ACDBVR at 25°C is ±1%).
- In what package is the TLVH431ACDBVR available?
The TLVH431ACDBVR is available in the SOT-23-5 package).
- How does the TLVH431ACDBVR behave when used in closed loop configuration?
In closed loop configuration, the TLVH431ACDBVR behaves as an error amplifier, regulating a fixed voltage or current by relating the output voltage back to the reference pin).
- What are the benefits of using the TLVH431ACDBVR over traditional Zener diodes?
The TLVH431ACDBVR offers lower leakage current and adjustable output voltage, making it a superior choice over traditional Zener diodes).
