TL431NSG-AE3-R

The TL431NSG-AE3-R is a precision shunt voltage regulator commonly used for adjustable voltage references, error amplifiers, and power supply feedback circuits.
### Key Features:
- Adjustable Output Voltage (2.5V to 36V) – Set via external resistors.
- High Accuracy (±1% or ±0.5%) – Ensures stable voltage regulation.
- Low Dynamic Impedance (0.2Ω typical) – Improves performance in feedback loops.
- Wide Operating Current (1mA to 100mA) – Suitable for various applications.
- SOT-23 Package – Compact and space-efficient.
### Applications:
- Voltage references
- Switching power supplies
- Battery chargers
- Error amplifiers
The TL431NSG-AE3-R is a reliable, cost-effective solution for precise voltage regulation in compact designs.

Equivalent products to the TL431NSG-AE3-R include:
- TL431ACLP (ON Semiconductor)
- LM431ACZ (Texas Instruments)
- KA431AZ (Fairchild/ON Semi)
- TS431ACX (STMicroelectronics)
These are adjustable precision shunt regulators with similar specs (2.5V reference, ±1% tolerance). Verify pin compatibility and electrical characteristics for your application.

The TL431NSG-AE3-R is a precision shunt voltage reference with the following key features:
- Adjustable Output Voltage: 2.495V to 36V via external resistors.
- High Accuracy: ±1% reference voltage tolerance (typ. 2.5V).
- Low Dynamic Impedance: 0.2Ω (typ.) for stable regulation.
- Wide Operating Current: 1mA to 100mA.
- Temperature Stability: ±4mV (typ.) over industrial range (-40°C to +85°C).
- SOT-23-3 Package: Compact and space-saving.
- Applications: Voltage regulation, switching power supplies, and error amplifiers.
Brief, robust, and widely used in power management circuits.

The TL431NSG-AE3-R is manufactured by ON Semiconductor, now known as onsemi after rebranding in 2021.
onsemi is a global semiconductor company specializing in power management, analog, and sensor technologies. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient solutions. The company was originally part of Motorola before becoming independent in 1999.
The TL431NSG-AE3-R is a precision shunt regulator, commonly used in voltage reference and regulation applications.

The TL431NSG-AE3-R is a precision shunt regulator widely used in:
- Power Supplies: Voltage regulation in AC/DC converters, SMPS, and linear regulators.
- Battery Chargers: Overvoltage protection and reference voltage generation.
- Industrial Electronics: Feedback control in inverters and motor drives.
- Consumer Electronics: Voltage monitoring in TVs, adapters, and LED drivers.
- Automotive Systems: Ensuring stable voltage in infotainment and control modules.
Its adjustable output (2.5V–36V), accuracy, and low cost make it versatile for voltage reference and regulation tasks.

The TL431NSG-AE3-R is a shunt voltage reference IC in a SOT-23-3 package. This small, surface-mount package is compact and widely used for space-constrained applications. It features three pins and is suitable for precision voltage regulation. The "NSG" suffix indicates specific manufacturing or quality standards, while "AE3-R" may denote tape-and-reel packaging for automated assembly.