L5957
Multifunction voltage regulator for car radio
Features
■
Four outputs: – 8.5 V @ 500 mA – 5 V @ 300 mA Permanent ...
L5957
Multifunction voltage
regulator for car radio
Features
■
Four outputs: – 8.5 V @ 500 mA – 5 V @ 300 mA Permanent – 5 V @ 800 mA – 3.3 V @ 800 mA 2 A high side driver Reset function Ignition comparator Load dump protection Thermal shutdown Overcurrent limitation All pins ESD protected
Multiwatt15 (Vertical)
■ ■ ■ ■ ■ ■ ■
PowerSO20 (Slug up)
Description
The L5957 contains a triple voltage
regulator and a power switch. Table 1. Device summary
Order code L5957PD L5957PDTR L5957
The IC includes a monitoring circuit for detection. The IC features a very low quiescent current in standby.
Package PowerSO20 (slug up) PowerSO20 (slug up) Multiwatt15 (Vertical)
Packing Tube Tape and reel Tube
January 2010
Doc ID 14442 Rev 2
1/16
www.st.com 1
Free Datasheet http://www.datasheet4u.com/
Contents
L5957
Contents
1 2 Block and pins connection diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 2.2 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Revision history . . . . . . . . ....
