September 2013

Doc ID 14442 Rev 3

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1

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

Description

The L5957 contains a triple voltage regulator and

a power switch.

The IC includes a monitoring circuit for detection.

The IC features a very low quiescent current in

standby.

PowerSO20 (Slug up)

Multiwatt15 (Vertical)

Table 1.

Device summary

Order code

Package

Packing

L5957PD

PowerSO20 (slug up)

Tube

L5957PDTR

PowerSO20 (slug up)

Tape and reel

L5957

Multiwatt15 (Vertical)

Tube

www.st.com