L9856
High voltage high-side driver
Features
■ High voltage rail up to 160 V ■ dV/dt immunity ±50 V/nsec in full temper...
L9856
High voltage high-side driver
Features
■ High voltage rail up to 160 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 ■ CMOS/TTL Schmitt trigger inputs with hysteresis ■ Under voltage lock out ■ Clamping on VCC ■ Loading circuit for external Bootstrap capacitor ■ Inverting input ■ Reset circuitry ■ SO-8 package
SO-8
Description
The L9856 is an high voltage device, manufactured with the BCD "OFF-LINE" technology. It has the capability of driving N-Channel Power MOS
transistors. The upper (floating) section is enabled to work with voltage rail up to 160 V. The logic Inputs are CMOS/TTL compatible for ease of interfacing with controlling devices.
Table 1. Device summary
Order code
Operating temp range, C
L9856 L9856TR
-40 to +125 -40 to +125
Package SO-8 SO-8
Packing Tube
Tape and Reel
September 2013
Rev 3
1/14
www.st.com
1
Contents
Contents
L9856
1 Block diagram andpin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Thermal data . . . . . . . . . . . . . . . . . . . . ....