Overview
The NCV431BSNT1G is a precision low voltage adjustable shunt regulator produced by onsemi. This device is part of the TLV431 series, known for its high accuracy and wide programmable voltage range. The NCV431BSNT1G features a guaranteed reference accuracy of ±0.5% at 25°C and ±1.0% over the entire industrial temperature range of -40°C to 125°C. It is designed to operate over a wide voltage range of 1.24 V to 16 V, making it an excellent replacement for zener diodes in various applications requiring precise reference voltages.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reference Voltage | Vref | 1.234 | 1.228 | 1.240 | V |
| Cathode to Anode Voltage | VKA | - | - | 18 | V |
| Cathode Current Range | IK | 0.1 | - | 20 | mA |
| Reference Input Current Range | Iref | 0.05 | - | 10 | mA |
| Operating Junction Temperature | TJ | - | - | 150 | °C |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature Range | Tstg | -65 | - | 150 | °C |
| Thermal Resistance, Junction-to-Ambient (TSOP-5 Package) | RθJA | - | - | 226 | °C/W |
Key Features
- High accuracy: ±0.5% at 25°C and ±1.0% over the industrial temperature range of -40°C to 125°C.
- Wide programmable voltage range: 1.24 V to 16 V.
- Sharp low current turn-on characteristic with a low dynamic impedance of 0.20 Ω.
- Operating current range: 0.1 mA to 20 mA.
- Available in micro miniature TSOP-5 and SOT-23-3 packages.
- Pb-Free package available.
- ESD protection: Human Body Model 2000 V, Machine Model Method 200 V, Charged Device Method 1000 V.
- Latch-up protection: ±100 mA per JEDEC standard JESD78.
Applications
- Low output voltage (3.0 V to 3.3 V) switching power supply error amplifier.
- Adjustable voltage or current linear and switching power supplies.
- Voltage monitoring.
- Current source and sink circuits.
- Analog and digital circuits requiring precision references.
- Low voltage zener diode replacements.
- Power supplies.
- Smart phone chargers and adapters.
Q & A
- What is the reference voltage accuracy of the NCV431BSNT1G at 25°C?
The reference voltage accuracy is ±0.5% at 25°C.
- What is the operating temperature range of the NCV431BSNT1G?
The operating ambient temperature range is -40°C to 125°C.
- What is the maximum cathode to anode voltage for the NCV431BSNT1G?
The maximum cathode to anode voltage is 18 V.
- What is the typical dynamic impedance of the NCV431BSNT1G?
The typical dynamic impedance is 0.20 Ω.
- What are the package options available for the NCV431BSNT1G?
The device is available in TSOP-5 and SOT-23-3 packages.
- Does the NCV431BSNT1G have ESD protection?
- What is the storage temperature range for the NCV431BSNT1G?
The storage temperature range is -65°C to 150°C.
- Can the NCV431BSNT1G be used as a replacement for zener diodes?
- What are some common applications of the NCV431BSNT1G?
- Is the NCV431BSNT1G available in Pb-Free packages?
