TS432ILT STMicroelectronics

TS432 1.24 V adjustable shunt voltage reference Features 1.24 V typical output voltage Ultra low operating current: 60 A maximum at 25 C High precision at 25 C: L +/- 1% SOT23-3L +/- 0.5% (Plastic micropackage) High stability when used with capacitive loads Industrial temperature range: -40 C to +85 C 100 ppm/C temperature coefficient Pin connections (top view) Applications Computers SOT23-3 Instrumentation Ref Battery chargers Reference Switch mode power supply A Anode Battery operated equipments K Cathode Description The TS432 is an adjustable low power shunt voltage reference providing an output voltage from 1.24 V to 10 V over the industrial temperature range (-40 C to +85 C). Available in SOT23-3 surface mount package, it can be designed in applications where space saving is critical. The low operating current is also a key advantage for power restricted designs. In addition, the TS432 is very stable and can be used in a broad range of application conditions. April 2008 Rev 2 1/11 www.st.com 11Absolute maximum ratings and operating conditions TS432 1 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings (AMR) Symbol Parameter Value Unit V Cathode voltage 12 V K I Cathode current -10 to +20 mA K I Reference input current -0.05 to +3 mA ref (1) P Power dissipation SOT23-3 340 mW d R Thermal resistance junction to ambient for SOT23-3 360 C/W thja T Lead temperature (soldering 10 seconds) 250 C lead T Storage temperature -65 to +150 C stg T Junction temperature 150 C j HBM: human body model 1.5 kV ESD MM: machine model 150 V 1. P is calculated with T = 25 C, T = 150 C and R = 360 C/W. d amb j thja Table 2. Operating conditions Symbol Parameter Value Unit V Cathode voltage 1.24 to 10 V K I Cathode current 60 to 12m A K T Ambient temperature -40 to +85 C amb 2/11