Overview
The TL431LIBQDBZRQ1 is a three-terminal adjustable shunt regulator produced by Texas Instruments. This device is designed for power management applications and offers high flexibility and reliability. It is particularly suited for automotive applications due to its AEC-Q100 qualification and robust quality standards. The TL431LIBQDBZRQ1 provides an adjustable output voltage range from 2.495V to 36V, making it versatile for various power regulation needs.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage (Min) | 2.495 V |
| Output Voltage (Max) | 36 V |
| Output Current | 15 mA |
| Tolerance | ±0.5% |
| Current Cathode | 600 µA |
| Operating Temperature | -40°C to 125°C |
| Output Impedance | 0.3 Ω (typical) |
| Reference Input Current | 0.4 µA (max) |
Key Features
- Adjustable output voltage from 2.495V to 36V using two external resistors.
- High flexibility with adjustable output voltage.
- Reliable performance within a broad temperature range of -40°C to 125°C.
- AEC-Q100 qualified, ensuring automotive grade quality.
- Low output impedance of 0.3 Ω (typical).
- Sharp turn-on characteristic, making it an excellent replacement for Zener diodes.
- Optimized reference input current (IREF) and deviation over temperature for higher system accuracy and lower leakage current.
Applications
- Onboard regulation in various electronic systems.
- Adjustable power supplies.
- Switching power supplies.
- Automotive applications requiring robust and reliable voltage regulation.
- Military and commercial applications where high thermal stability is necessary.
Q & A
- What is the TL431LIBQDBZRQ1 used for?
The TL431LIBQDBZRQ1 is a three-terminal adjustable shunt regulator used in power management applications, particularly in automotive, commercial, and military environments.
- What is the adjustable output voltage range of the TL431LIBQDBZRQ1?
The output voltage can be adjusted from 2.495V to 36V using two external resistors.
- What is the operating temperature range of the TL431LIBQDBZRQ1?
The device operates within a temperature range of -40°C to 125°C.
- Is the TL431LIBQDBZRQ1 AEC-Q100 qualified?
Yes, the TL431LIBQDBZRQ1 is AEC-Q100 qualified, ensuring it meets automotive grade quality standards.
- What is the typical output impedance of the TL431LIBQDBZRQ1?
The typical output impedance is 0.3 Ω.
- Can the TL431LIBQDBZRQ1 replace Zener diodes in some applications?
Yes, the TL431LIBQDBZRQ1 has a sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
- What is the maximum output current of the TL431LIBQDBZRQ1?
The maximum output current is 15 mA.
- What is the tolerance of the TL431LIBQDBZRQ1 at 25°C?
The tolerance at 25°C is ±0.5% for the B grade and ±1% for the A grade.
- What are some common applications of the TL431LIBQDBZRQ1?
- Does the TL431LIBQDBZRQ1 have optimized reference input current and deviation over temperature?
Yes, the device has optimized reference input current (IREF) and deviation over temperature for higher system accuracy and lower leakage current.
