Overview
The TL431LP-BP is a precision programmable shunt voltage reference IC manufactured by Micro Commercial Co. This device is part of the TL431 series, known for its high accuracy and stability. The TL431LP-BP is designed to provide a stable voltage reference and can be adjusted to output voltages ranging from 2.5V to 36V. It is widely used in various electronic systems that require precise voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage Tolerance | 0.5% (B grade), 1% (A grade), 2% (Standard grade) | % |
| Adjustable Output Voltage | 2.5V to 36V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Typical Temperature Drift | 6 mV (C temp), 14 mV (I temp, Q temp) | mV |
| Output Noise | Low | - |
| Output Impedance | 0.2 Ω (Typical) | Ω |
| Sink-Current Capability | 1 mA to 100 mA | mA |
| Package Type | TO-92 | - |
Key Features
- Precision programmable shunt voltage reference
- Adjustable output voltage from 2.5V to 36V
- High thermal stability over a wide temperature range (-40°C to 125°C)
- Low output noise and low output impedance (0.2 Ω typical)
- Sink-current capability from 1 mA to 100 mA
- Available in TO-92 package
Applications
- Rack server power systems
- Industrial AC/DC power supplies
- AC inverter and variable frequency (VF) drives
- Servo drive control modules
- Notebook PC power adapter designs
Q & A
- What is the TL431LP-BP used for?
The TL431LP-BP is used as a precision programmable shunt voltage reference in various electronic systems.
- What is the adjustable output voltage range of the TL431LP-BP?
The adjustable output voltage range is from 2.5V to 36V.
- What is the operating temperature range of the TL431LP-BP?
The operating temperature range is from -40°C to 125°C.
- What is the typical temperature drift of the TL431LP-BP?
The typical temperature drift is 6 mV (C temp) and 14 mV (I temp, Q temp).
- What is the output impedance of the TL431LP-BP?
The output impedance is typically 0.2 Ω.
- What is the sink-current capability of the TL431LP-BP?
The sink-current capability ranges from 1 mA to 100 mA.
- In what package is the TL431LP-BP available?
The TL431LP-BP is available in the TO-92 package.
- What are some common applications of the TL431LP-BP?
Common applications include rack server power systems, industrial AC/DC power supplies, AC inverter and VF drives, servo drive control modules, and notebook PC power adapter designs.
- How does the TL431LP-BP ensure thermal stability?
The TL431LP-BP ensures thermal stability through its specified thermal characteristics over a wide temperature range.
- What is the significance of low output noise in the TL431LP-BP?
Low output noise is significant as it ensures a stable and precise voltage reference, which is crucial in many electronic systems.
