TS3431

TS3431 Datasheet 1.24 V adjustable shunt voltage reference 3 2 1 SOT23-3L (Plastic micropackage) Reference 1 Cathode 2 TS3431 3 Anode SOT23-3L (top view) Maturity status link TS3431 Features Adjustable output voltage: 1.24 to 24 V Several precision levels @ 25 °C ± 2%, ± 1%, ± 0.5% and ± 0.25% Sink current capability: 0.4 to 100 mA Industrial temperature range: - 40 °C to + 105 °C Performance compatible with industry standard TL431 Applications Computers Instrumentation Battery chargers Switch mode power supply Battery operated equipment Description The TS3431 is an adjustable shunt voltage reference with guaranteed temperature stability over the entire operating temperature range (- 40 °C to + 125 °C). The output voltage can be set to any value between 1.24 V and 24 V with an external resistor bridge. Available in SOT23-3 surface mount package, it can be used in application designs where space saving is critical. DS3673 - Rev 7 - May 2019 For further information contact your local STMicroelectronics sales office. www.st.com 1 Diagram Figure 1. Block diagram Cathode Reference + - VREF Anode TS3431 Diagram DS3673 - Rev 7 page 2/18 TS3431 Maximum ratings 2 Maximum ratings Table 1. Absolute maximum ratings Symbol Parameter Vka Cathode to anode voltage IK Reverse breakdown current IREF Reference input current range Pd Power dissipation SOT23-3L (1). Tstg Storage temperature ESD Human body model (HBM) Machine model (MM) TLEAD ...