SPT02-236DDB STMicroelectronics

SPT02-236DDB Automation sensor transient and overvoltage protection Datasheet production data Applications Factory automation sensor application Proximity sensor interface protection Transient and surge voltage protection Compliant with sensor standard, EN 60947-5-2 QFN-2L SPT02-236DDB Description The SPT02 is specifically designed for the Features protection of 24 V proximity sensors. It Double diode array for switch protection and implements the reverse polarity and the reverse blocking protection overvoltage protection of the sensor power supply and the power switch overvoltage protection. 6 V to 36 V supply voltage range It provides a very compact and flexible solution. Minimum breakdown voltage V : 38 V BR 8/20 s 2 A maximum clamping voltage: 46 V Thanks to high performance ST technology, the SPT02 protects the proximity sensor to the Blocking diode drop forward voltage V : F highest level compliant with IEC 61000-4-2, IEC 1.1 V at 300 mA 61000-4-4 and IEC 61000-4-5 standards. Blocking diode maximum 10 ms square pulse current I : 3 A FSM Figure 1. Functional diagram (top view) Ambient temperature: -40 C to +100 C QFN 2L 0.8 mm flat package K D1 D2 Complies with following standards A1 A2 Voltage surge: IEC 61000-4-5, R = 500 , CC 1 kV Electrostatic discharge, IEC 61000-4-2: 8 kV contact discharge Figure 2. Bottom view 15 kV air discharge Electrical transient immunity: IEC 61000-4-4: 2 kV Benefits Compliant for interface with logic input type 1, 2 and 3 IEC 61131-2 standard Highly compact with integrated power solution in SMD version March 2014 DocID024333 Rev2 1/12 This is information on a product in full production. www.st.com 12Basic application SPT02-236DDB 1 Basic application Figure 3. STP02 configuration Sensor Process control P.supply V Detector CC LS D2 D1 GND HS Load Load Detector LS D2 V CC D1 HS P.supply GND Sensor Process control 2/12 DocID024333 Rev2