Overview
The SC431BVSNT1G is a programmable precision reference integrated circuit produced by onsemi. This device is part of the NCP431/NCP432 series and is designed as a three-terminal programmable shunt regulator diode. It operates as a low temperature coefficient zener diode that can be programmed to output voltages from the reference voltage up to 36 V using two external resistors. The SC431BVSNT1G is particularly suited for applications requiring high precision and stability over a wide temperature range.
Key Specifications
| Characteristic | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Reference Input Voltage (Vref) | V | 2.4875 | 2.5 | 2.5125 |
| Reference Input Voltage Deviation Over Temperature Range | mV | - | - | 10 |
| Operating Current Range | mA | 0.04 | - | 100 |
| Dynamic Output Impedance | Ω | - | 0.22 | - |
| Temperature Coefficient | ppm/°C | - | 50 | - |
| Operating Temperature Range | °C | -40 | - | 125 |
| Package Type | - | SOT-23-3 (Pb-Free) | - | - |
Key Features
- Programmable Output Voltage up to 36 V using two external resistors.
- Low Minimum Operating Current: 40 μA typical at 25°C.
- Voltage Reference Tolerance: ±0.5% typical at 25°C for NCP431B/NCP432B.
- Low Dynamic Output Impedance: 0.22 Ω typical.
- Sink Current Capability: 40 μA to 100 mA.
- Equivalent Full-Range Temperature Coefficient: 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 Supplies
- Precision Voltage Reference
- Chargers
- Instrumentation
- Digital Voltmeters
- Op Amp Circuitry
Q & A
- What is the SC431BVSNT1G?
The SC431BVSNT1G is a programmable precision reference integrated circuit from onsemi, part of the NCP431/NCP432 series.
- What is the programmable output voltage range of the SC431BVSNT1G?
The output voltage can be programmed from the reference voltage up to 36 V using two external resistors.
- What is the minimum operating current of the SC431BVSNT1G?
The minimum operating current is 40 μA typical at 25°C.
- What is the dynamic output impedance of the SC431BVSNT1G?
The dynamic output impedance is 0.22 Ω typical.
- What is the temperature coefficient of the SC431BVSNT1G?
The equivalent full-range temperature coefficient is 50 ppm/°C typical.
- What are the typical applications of the SC431BVSNT1G?
Typical applications include voltage adapters, switching power supplies, precision voltage references, chargers, instrumentation, digital voltmeters, and op amp circuitry.
- Is the SC431BVSNT1G suitable for automotive applications?
Yes, it is AEC-Q100 Qualified and PPAP Capable, making it suitable for automotive and other critical applications.
- What is the operating temperature range of the SC431BVSNT1G?
The operating temperature range is from -40°C to 125°C.
- What package type is the SC431BVSNT1G available in?
The SC431BVSNT1G is available in the SOT-23-3 (Pb-Free) package.
- What is the voltage reference tolerance of the SC431BVSNT1G?
The voltage reference tolerance is ±0.5% typical at 25°C for NCP431B/NCP432B.
