L5956

L5956 Multifunction voltage regulator for car radio Features ■ Four outputs: – 8.5V @ 500mA – 5V @ 300mA Permanent – 5V @ 800mA – 3.3V @ 800mA 2A high side driver Reset function Ignition comparator Load dump protection Thermal shutdown Overcurrent limitation All pins ESD protected Device summary Order code Package PowerSO20 (slug-up) Multiwatt15 (vertical) ■ ■ ■ ■ ■ ■ ■ Description The L5956 contains a triple voltage regulator and a power switch. The IC includes a monitoring circuit for detection. The IC features a very low quiescent under stand-by. Table 1. Packing Tube Tube Tape and reel L5956 L5956PD L5956PDTR Multiwatt-15 (vertical) PowerSO-20 PowerSO-20 August 2007 Rev 1 1/16 www.st.com 1 Free Datasheet http://www.datasheet4u.com/ Contents L5956 Contents 1 Block diagram and pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 1.2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 2.2 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical characteristics . . . . . . . . . . . . . . . . . ....