Overview
The TL431BW5-7 is an adjustable precision shunt regulator produced by Diodes Incorporated. This component is part of the TL431 series, known for its excellent temperature stability and high output current handling capability. The TL431BW5-7 is designed to operate over a wide temperature range of -40°C to +125°C, making it suitable for various industrial and automotive applications. It is available in the SOT-753 (SC-74A) package, which is compact and suitable for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SC-74A, SOT-753 | |
| Pin Count | 5 | |
| Number of Outputs | 1 | |
| Max Output Current | 100 mA | |
| Min Input Voltage | 2.482 V | |
| Nominal Input Voltage | 2.495 V | |
| Max Input Voltage | 40 V | |
| Output Voltage Tolerance | ±0.5% | |
| Operating Ambient Temperature | -40°C to +125°C | |
| Height | 1.3 mm | |
| Length | 3.1 mm | |
| Width | 1.7 mm | |
| RoHS Status | ROHS3 Compliant |
Key Features
- Adjustable output voltage from 2.5V to 36V using external divider resistors.
- High temperature stability with an operating range of -40°C to +125°C.
- Low output noise and typical output impedance of 0.2Ω.
- Sink current capability from 1mA to 100mA.
- Totally lead-free and fully RoHS compliant, halogen and antimony free.
- Compact SOT-753 (SC-74A) package.
Applications
- Opto-coupler linearisers.
- Shunt regulators.
- Improved zener diode replacements.
- Variable reference voltage applications.
- Series regulator output control.
- Single supply comparators with temperature-compensated thresholds.
- Over voltage / under voltage protection circuits.
Q & A
- What is the TL431BW5-7 used for?
The TL431BW5-7 is used as an adjustable precision shunt regulator, offering applications such as shunt regulation, improved zener diode performance, and variable reference voltage settings.
- What is the operating temperature range of the TL431BW5-7?
The TL431BW5-7 operates over a temperature range of -40°C to +125°C.
- What is the maximum output current of the TL431BW5-7?
The maximum output current of the TL431BW5-7 is 100 mA.
- How is the output voltage of the TL431BW5-7 adjusted?
The output voltage can be adjusted using two external divider resistors, allowing the voltage to be set between 2.5V and 36V.
- Is the TL431BW5-7 RoHS compliant?
- What package type is the TL431BW5-7 available in?
The TL431BW5-7 is available in the SOT-753 (SC-74A) package.
- What are some common applications of the TL431BW5-7?
- What is the typical output impedance of the TL431BW5-7?
The typical output impedance of the TL431BW5-7 is 0.2Ω.
- Can the TL431BW5-7 be used in place of zener diodes?
- What is the maximum cathode voltage of the TL431BW5-7?
The maximum cathode voltage of the TL431BW5-7 is 40 V.
