Datasheet > L5958

L5958

更新时间： 2024-11-26 11:59:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器
页数	文件大小	规格书
20页	282K
描述
Multifunction voltage regulator for car radio

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L5958 数据手册

L5958

Multifunction voltage regulator for car radio

Features

■ L5958 six outputs:

– 8.5 V @ 200 mA

– 5.0 V @ 300 mA

– 3.3 V @ 250 mA

– 1.8 V @ 350 mA

– 3.3 V @ 100 mA standby

– 1.8 V @ 100 mA standby

Flexiwatt27

(vertical)

Flexiwatt27

(SMD)

■ 2 A high side driver

■ Reset function

The two 3.3 V (REG5) and 1.8 V (REG6) stand-by

regulators can reach a quasi-zero current

consumption when switched off.

■ VDD core reset function

■ Battery audio warning

■ Battery can warning

■ Ignition comparator

■ Load dump protection

■ Thermal shutdown

■ Overcurrent limitation

■ All pin ESD protected

The device is equipped with two different reset

buffers to control the operating voltages: the reset

which checks the two stand-by outputs, 3.3V and

1.8 V, and the VDD core reset which checks the

linear switched outputs, 3.3 V and 1.8 V. It is also

equipped with two different battery voltage

warnings, provided by the Hold CAN and the Hold

audio detectors, with the possibility to program

the lower threshold through an external

resistance.

The ignition buffer completes the device.

Description

A backup function is available through two pins

which needs to be connected to two independent

capacitors: one for the 3.3 V and 1.8 V linear

switched outputs and one for the 3.3 V and 1.8 V

standby outputs.

The L5958 includes 6 linear voltage regulators

and a 2 A power switch, working down to 4.5 V

battery level. All the voltage regulators can be

switched off through the three enable pins.

Table 1.

Device summary

Order code

Package

Packing

L5958

Flexiwatt27 (vertical)

Flexiwatt27 (SMD)

Tube

L5958SM

L5958SMTR

Tape and reel

July 2010

Doc ID 17716 Rev 1

1/20

www.st.com

12 3 4 5 6 7...20

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