Overview
The TL432LIBQDBZR is a three-terminal adjustable shunt regulator produced by Texas Instruments. It is part of the TL432 series, known for its reliability and versatility in various applications. This device offers specified thermal stability over automotive, commercial, and military temperature ranges, making it suitable for a wide range of environments. The TL432LIBQDBZR is a pin-to-pin alternative to the industry standard TL431, with optimized reference current (Iref) and device current (IIdev) performance, enabling higher system accuracy and lower leakage current.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | TL432LI |
| Part Number | TL432LIBQDBZR |
| Package | SOT-23-3 (DBZ) |
| Pins | 3 |
| Operating Temperature Range (°C) | -40 to 125 |
| Output Voltage Range | 2.495 V to 36 V |
| Output Impedance | Typical 0.3 Ω |
| Current - Cathode | 1 mA |
| Current - Output | 15 mA |
| Tolerance | ±0.5% (B Grade), ±1% (A Grade) |
| Reference Type | Shunt |
| Mounting Type | Surface Mount |
Key Features
- Adjustable Output Voltage: The output voltage can be set to any value between approximately 2.495 V and 36 V using two external resistors.
- Optimized Reference Current: Lower Iref and IIdev values enable higher system accuracy and lower leakage current.
- Thermal Stability: Specified thermal stability over applicable automotive, commercial, and military temperature ranges.
- Sharp Turn-On Characteristic: Active output circuitry provides a very sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
- Low Output Drift: Ensures good stability over the entire temperature range.
- RoHS Compliant: Meets RoHS compliance standards.
Applications
- Onboard Regulation: Suitable for onboard voltage regulation in various electronic systems.
- Adjustable Power Supplies: Can be used in adjustable power supplies to provide a stable and adjustable voltage reference.
- Switching Power Supplies: Ideal for use in switching power supplies due to its sharp turn-on characteristic and low output impedance.
- General Voltage Regulation: Can replace Zener diodes in many voltage regulation applications.
Q & A
- What is the TL432LIBQDBZR?
The TL432LIBQDBZR is a three-terminal adjustable shunt regulator produced by Texas Instruments.
- What is the operating temperature range of the TL432LIBQDBZR?
The operating temperature range is from -40°C to 125°C.
- What is the output voltage range of the TL432LIBQDBZR?
The output voltage can be set to any value between approximately 2.495 V and 36 V.
- What are the key features of the TL432LIBQDBZR?
Key features include adjustable output voltage, optimized reference current, thermal stability, sharp turn-on characteristic, and low output drift.
- What are some common applications of the TL432LIBQDBZR?
Common applications include onboard regulation, adjustable power supplies, switching power supplies, and general voltage regulation.
- Is the TL432LIBQDBZR RoHS compliant?
Yes, the TL432LIBQDBZR is RoHS compliant.
- What is the package type of the TL432LIBQDBZR?
The package type is SOT-23-3 (DBZ).
- What is the typical output impedance of the TL432LIBQDBZR?
The typical output impedance is 0.3 Ω.
- What are the tolerance grades available for the TL432LIBQDBZR?
The device is available in two grades with initial tolerances of 0.5% (B Grade) and 1% (A Grade) at 25°C.
- Can the TL432LIBQDBZR replace Zener diodes in some applications?
Yes, the TL432LIBQDBZR can replace Zener diodes in many applications due to its sharp turn-on characteristic and low output impedance.
