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L5951

STMicroelectronics
Part Number L5951
Manufacturer STMicroelectronics
Description TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE
Published Mar 22, 2005
Detailed Description L5951 TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE s s s s s s s s s s s 3 ...
Datasheet PDF File L5951 PDF File

L5951
L5951

Overview
L5951 TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE s s s s s s s s s s s 3 VOLTAGE REGULATORS: 3.
3V (100mA) STANDBY REGULATOR 5V (100mA) STANDBY REGULATOR 7.
8V (100mA) OUT OF REGULATION DETECTION FOR 5VSTANDBY REGULATOR WIDE OPERATING SUPPLY VOLTAGE RANGE FROM 4.
5V UP TO 26.
5V FOR TRANSIENT 34V VERY LOW STANDBY QUIESCENT CURRENT (<150µA) INPUT TO OUTPUT SIGNAL TRANSFER FUNCTION PROGRAMMABLE LVS FUNCTION TTL AND CMOS COMPATIBLE INPUTS OUTPUT CURRENT LIMITATION CONTROLLED OUTPUT SLOPE FOR LOW EMI OVERTEMPERATURE SHUT-DOWN ABLE TO SURVIVE UNDER LOSS OF SO24 ORDERING NUMBER: L5951 s GROUND OR BATTERY ESD PROTECTED DESCRIPTION The L5951 is a monolithic triple regulator integrated with a SAE J1850 Integrated Driver / Receiver realized in advanced Multipower-BCD technology.
It is intended to drive single wire J1850 communications, and offer microcontroller power and power management for automotive or industrial applications.
BLOCK DIAGRAM VBAT SUPPLY SELECTOR LVS 3V STANDBY REG1 BANDGAP REFERENCE 5V STANDBY REG2 RESET EN SLEEP ENABLE/ PROTECTION LOGIC RESET 7.
8V REG3 BUS DRIVER BUS TX WAVESHAPING FILTER 4X LOOP 4XEN AND LOOPBACK LOSS OF GND PROTECTION LOAD RX DIGITAL OUTPUT DRIVER GND D99AU991 January 2001 1/13 L5951 1 FUNCTIONAL DESCRIPTION 1.
1 General Features The L5951 is an integrated circuit which provides a J1850 physical layer as well three voltage regulators.
The L5951 was developed to provide the power and Class 2/IDR interface for a microcontroller.
1.
2 REG1 Output Voltage The REG1 regulator output is equal to 3.
3V.
The 3.
3V regulator is non low drop out and can handle currents up to 100mA with short citcuit limit of 280mA.
1.
3 REG2 Output Voltage The REG2 regulator output is equal to 5V and can handle currents up to 100mA with short citcuit limit of 280mA.
The output stage of the 5V regulator is low dropout.
1.
4 REG3 Output Voltage The REG3 regulator output is equal to 7.
8V and can handle cu...


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