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L5958

更新时间： 2022-03-18 22:02:06
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

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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)  
Flexiwatt27 (SMD)  
Tube  
Tube  
L5958SM  
L5958SMTR  
Tape and reel  
July 2010  
Doc ID 17716 Rev 1  
1/20  
www.st.com  
1
1234567...20

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