L9857-TR STMicroelectronics

L9857 High voltage high-side driver Features High voltage rail up to 450 V dV/dt immunity 50 V/nsec in full temperature range Driver current capability: 500 mA source, 500 mA sink Switching times 100 ns rise/fall with 2.5 nF load SO-8 CMOS/TTL Schmitt trigger inputs with hysteresis and pull down Under voltage lock out Clamping on V CC Non inverting input Reset circuitry It has the capability of driving N channel SO8 package PowerMOS transistors. The upper (floating) section is enabled to work with voltage rail up to 450 V. The logic inputs are CMOS/TTL Description compatible for ease of interfacing with controlling The L9857 is an high voltage device, devices.. manufactured with the BCDoff-lin technology. Table 1. Device summary Order code Op. temp range, qCPackage Packing L9857-TR -40 to +125 SO-8 Tape and reel L9857-TR-LF -40 to +125 SO-8 Tape and reel September 2013 Doc ID 12896 Rev 3 1/11 www.st.com 11Content L9857 Content 1 Block diagram and pin description . 3 1.1 Block diagram . 3 1.2 Pin description 3 2 Electrical specifications 4 2.1 Thermal data . 4 2.2 Absolute maximum ratings . 4 2.3 Recommended operating conditions . 5 2.4 Electrical characteristics . 5 2.5 Reset functional diagram 7 3 Timing diagrams 8 4 Package information . 9 5 Revision history . 10 2/11 Doc ID 12896 Rev 3