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STMicroelectronics - Multiple multifunction voltage regulator

Numéro de référence L5955
Description Multiple multifunction voltage regulator
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L5955 fiche technique
L5955
Multiple multifunction voltage regulator for car radio
Features
2 stand-by regulators:
3.3V (125mA)
1.5V (300mA)
6 regulators:
10V (40mA)
8.5V (200mA)
3.3V (850mA)
8/10V (1A)
5/3.3/1.8V (200mA)
1.8/2.5V(200mA)
All regulators are low dropout outputs
The different outputs voltage are controlled by
I2C Bus.
Reg3 on/off controlled by enable
Reg1, Reg2, Reg4, Reg5, Reg6 on/off
controlled by I2CBus.
3 high side drivers:
2A (HSD1)
0.45A (HSD2 & HSD3)
No external charge pump capacitors are
required
Stand-by mode controlled by EN pin for I2C
Bus and Reg1, Reg2, Reg3, Reg4, Reg5,
Reg6, HSD1, HSD2, HSD3
LVW function externally selectable
Individual thermal shutdown
Flexiwatt27
Independent current limiting
Short circuit protection
Load dump protection and overvoltage
shutdown
Description
The L5955 is an integration of three high side
drivers, six regulators and two stand-by regulators
with RESET function developed to provide the
power to a complete audio system.
The outputs of the IC are controlled by I2C bus
and Enable pin.
The device is equipped with sequencing and slew
rate controls for the st-by regulators.
Table 1.
Device summary
Order code
L5955
Package
Flexiwatt27
Packing
Tube
August 2007
Rev 1
1/17
www.st.com
17
Free Datasheet http://www.datasheet4u.com/

PagesPages 17
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