TS3431 is a programmable shunt voltage reference circuit with adjustable output voltage. It has a wide operating temperature range and high precision. It is suitable for applications such as computers, instrumentation, battery chargers, switch mode power supplies, and battery-operated devices.
The TS3431 is a programmable shunt voltage reference designed for applications requiring space-saving solutions, available in the SOT23-3L surface mount package. It offers guaranteed temperature stability over an industrial operating range of -40°C to +125°C and features performance compatible with the industry standard TL431.
The device allows the output voltage to be set between 1.24V and 24V using an external resistor bridge. Key specifications include adjustable precision levels (+2%, +1%, +0.5%, and +0.25%), a sink current capability of up to 100mA, and compatibility with computers, instrumentation, battery chargers, and switch-mode power supplies.
| Adjustable output voltage range | 1.24 to 24V |
|---|---|
| Operating temperature range | -40°C to +125°C |
| Sink current capability | 0.4 to 100mA |
| Package type | SOT23-3L |
| Reference input voltage (Typical) | 1.24 V |
The typical reference input voltage (VREF) at a cathode current of 10mA is 1.24V.
The device offers several precision levels: +2%, +1%, +0.5%, and +0.25%.
Yes, its performance is compatible with the industry standard TL431.