Overview
The TLVH431QDBZR,215, produced by NXP USA Inc. (now part of Nexperia), is an adjustable precision shunt regulator. This component belongs to the TL431 family, known for its versatility and reliability in various electronic applications. The TLVH431QDBZR,215 is a three-terminal shunt regulator that allows for an output voltage range between 2.495 V and 36 V, set by two external resistors. This device is particularly useful in applications requiring precise voltage regulation and stability.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Reference Voltage (Vref) | 2.495 V | Internal reference voltage |
| Output Voltage Range | 2.495 V to 36 V | Set by two external resistors |
| Reference Voltage Tolerance | 1% (A-Grade) | Voltage tolerance at room temperature |
| Temperature Range (T amb) | -40°C to 125°C | Operating temperature range |
| Package | SOT23-3 | Surface-mount package with 3 terminals |
| Package Size | 2.9 x 1.3 x 1 mm | Dimensions of the SOT23 package |
| Sink Current Capability | 1 mA to 100 mA | Range of current the device can sink |
| Output Impedance | 0.2 Ω (typical) | Output impedance of the regulator |
| Temperature Drift | 9 mV (typical, 0°C to 70°C) | Voltage drift over the specified temperature range |
| AEC-Q100 Qualification | Grade 1 | Qualification for automotive applications |
Key Features
- Adjustable Output Voltage: The output voltage can be set between 2.495 V and 36 V using two external resistors.
- Precision Voltage Regulation: Offers high precision with reference voltage tolerances of 1% (A-Grade) and low temperature drift.
- Low Output Noise: Features low output noise, making it suitable for applications requiring stable voltage regulation.
- High EMI Ruggedness: Enhanced stability and higher EMI ruggedness, suitable for applications like Switch Mode Power Supplies (SMPS).
- Compact Package: Available in the SOT23-3 package, which is compact and suitable for surface-mount applications.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 125°C.
- AEC-Q100 Qualified: Qualified according to AEC-Q100 (grade 1), making it suitable for automotive applications.
Applications
- Switch Mode Power Supplies (SMPS): Ideal for SMPS applications due to its high EMI ruggedness and stability.
- Automotive Systems: Qualified according to AEC-Q100, making it suitable for various automotive applications.
- Industrial Control Systems: Used in industrial control systems where precise voltage regulation is required.
- Consumer Electronics: Finds applications in consumer electronics such as power supplies, audio equipment, and other devices requiring stable voltage regulation.
- Precision Current Limiting and Constant Current Sinking: Can be used as a precision current limiter or constant current sink due to its adjustable output voltage and low output impedance.
Q & A
- What is the reference voltage of the TLVH431QDBZR,215?
The reference voltage (Vref) is 2.495 V.
- What is the output voltage range of the TLVH431QDBZR,215?
The output voltage can be set between 2.495 V and 36 V using two external resistors.
- What are the different reference voltage tolerances available for this device?
The device is available in standard grade (2%), A-Grade (1%), and B-Grade (0.5%) reference voltage tolerances.
- What is the operating temperature range of the TLVH431QDBZR,215?
The device operates over a temperature range of -40°C to 125°C.
- What is the package type and size of the TLVH431QDBZR,215?
The device is packaged in a SOT23-3 package, which is 2.9 x 1.3 x 1 mm in size.
- What is the sink current capability of the TLVH431QDBZR,215?
The device can sink current in the range of 1 mA to 100 mA.
- Is the TLVH431QDBZR,215 qualified for automotive applications?
Yes, it is qualified according to AEC-Q100 (grade 1), making it suitable for automotive applications.
- What are some common applications of the TLVH431QDBZR,215?
Common applications include Switch Mode Power Supplies (SMPS), automotive systems, industrial control systems, and consumer electronics.
- What is the typical output impedance of the TLVH431QDBZR,215?
The typical output impedance is 0.2 Ω.
- How does the TLVH431QDBZR,215 handle EMI?
The device features enhanced stability and higher EMI ruggedness, making it suitable for applications like SMPS.
