Overview
The LM431SBCMFX is a three-terminal programmable shunt regulator produced by onsemi. This device is part of the LM431SB series and is known for its thermal stability over the operating temperature range. It allows for adjustable output voltage settings between approximately 2.5 volts and 36 volts using two external resistors. The LM431SBCMFX is packaged in a SOT-23F surface mount package, making it suitable for a variety of applications requiring precise voltage regulation.
Key Specifications
| Attribute | Value |
|---|---|
| Shunt Type | Shunt |
| Output Type | Adjustable |
| Accuracy | ±1% |
| Reference Voltage | 2.5V |
| Output Voltage | 2.47V to 36V |
| Output Impedance | 0.5Ω (typical 0.2Ω dynamic) |
| Cathode Current | 1mA to 100mA |
| Power Dissipation | 350mW |
| Operating Temperature Range | -25°C to +85°C |
| Package Style | SOT-23F |
| Mounting Method | Surface Mount |
Key Features
- Programmable output voltage up to 36 volts
- Low dynamic output impedance of 0.2 Ω typical
- Sink current capability of 1.0 to 100 mA
- Equivalent full-range temperature coefficient of 50 ppm/°C typical
- Temperature compensated for operation over the full rated operating temperature range
- Low output noise voltage
- Fast turn-on response
Applications
- Automation
- Broadband Access
- Broadband Modem
- Broadcast & Studio
- Building & Home Control
- Mobile Handsets
- Wireless LAN Card
- Military & Civil Aerospace
Q & A
- What is the LM431SBCMFX?
The LM431SBCMFX is a three-terminal programmable shunt regulator produced by onsemi.
- What is the output voltage range of the LM431SBCMFX?
The output voltage can be set to any value between approximately 2.5 volts and 36 volts using two external resistors.
- What is the accuracy of the LM431SBCMFX?
The accuracy of the LM431SBCMFX is ±1%.
- What is the typical dynamic output impedance of the LM431SBCMFX?
The typical dynamic output impedance is 0.2 Ω.
- What is the cathode current range of the LM431SBCMFX?
The cathode current range is from 1 mA to 100 mA.
- What is the operating temperature range of the LM431SBCMFX?
The operating temperature range is -25°C to +85°C.
- What package style does the LM431SBCMFX use?
The LM431SBCMFX is packaged in a SOT-23F surface mount package.
- Is the LM431SBCMFX RoHS compliant?
- What are some common applications of the LM431SBCMFX?
Common applications include automation, broadband access, broadband modems, broadcast & studio, building & home control, mobile handsets, wireless LAN cards, and military & civil aerospace.
- What is the power dissipation of the LM431SBCMFX?
The power dissipation is 350 mW.
