Overview
The NCP431AILPRAG is a programmable precision reference integrated circuit produced by onsemi. This device is part of the NCP431/NCP432 series, which are three-terminal programmable shunt regulator diodes. The NCP431AILPRAG operates as a low temperature coefficient zener diode that can be programmed from 2.5 V to 36 V using two external resistors. It is designed for applications requiring high precision and stability over a wide operating temperature range.
Key Specifications
| Characteristic | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Reference Input Voltage (Vref) | V | 2.475 | 2.500 | 2.525 |
| Minimum Operating Current (IK) | μA | 40 | - | - |
| Voltage Reference Tolerance | % | - | ±0.5 | - |
| Dynamic Impedance (ZKA) | Ω | 0.22 | - | 0.5 |
| Sink Current Capability | mA | 0.04 | - | 100 |
| Temperature Coefficient | ppm/°C | - | 50 | - |
| Operating Temperature Range | °C | -40 | - | 85 |
| Package Type | - | - | TO-92 (TO-226) | - |
Key Features
- Programmable Output Voltage to 36 V using two external resistors.
- Low Minimum Operating Current: 40 μA, typical at 25°C.
- Low Dynamic Output Impedance: 0.22 Ω, typical.
- Sink Current Capability of 40 μA to 100 mA.
- Equivalent Full-Range Temperature Coefficient of 50 ppm/°C, typical.
- Temperature Compensated for Operation over Full Rated Operating Temperature Range.
- AEC-Q100 Qualified and PPAP Capable for automotive and other critical applications.
Applications
- Voltage Adapters
- Switching Power Supply
- Precision Voltage Reference
- Chargers
- Instrumentation
- Digital Voltmeters
- Op Amp Circuitry
Q & A
- What is the NCP431AILPRAG used for?
The NCP431AILPRAG is used as a programmable precision reference in various applications such as voltage adapters, switching power supplies, precision voltage references, chargers, and instrumentation.
- What is the programmable output voltage range of the NCP431AILPRAG?
The output voltage of the NCP431AILPRAG can be programmed from 2.5 V to 36 V using two external resistors.
- What is the minimum operating current of the NCP431AILPRAG?
The minimum operating current is 40 μA, typical at 25°C.
- What is the dynamic impedance of the NCP431AILPRAG?
The dynamic impedance is 0.22 Ω, typical.
- What is the temperature coefficient of the NCP431AILPRAG?
The equivalent full-range temperature coefficient is 50 ppm/°C, typical.
- Is the NCP431AILPRAG suitable for automotive applications?
Yes, it is AEC-Q100 Qualified and PPAP Capable, making it suitable for automotive and other critical applications.
- What are the package options for the NCP431AILPRAG?
The NCP431AILPRAG is available in the TO-92 (TO-226) package.
- What is the operating temperature range of the NCP431AILPRAG?
The operating temperature range is from -40°C to 85°C.
- How does the NCP431AILPRAG compare to traditional zener diodes?
The NCP431AILPRAG offers better temperature stability and a wider operating current range compared to traditional zener diodes.
- Can the NCP431AILPRAG be used in digital voltmeters and op amp circuitry?
Yes, it is suitable for use in digital voltmeters and op amp circuitry due to its high precision and stability.
