L5951 Datasheet PDF - STMicroelectronics
| Part Number | L5951 | |
| Description | TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE | |
| Manufacturers | STMicroelectronics | |
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There is a preview and L5951 download ( pdf file ) link at the bottom of this page. Total 13 Pages | ||
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L5951
TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR
FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE
s 3 VOLTAGE REGULATORS:
3.3V (100mA) STANDBY REGULATOR
5V (100mA) STANDBY REGULATOR
7.8V (100mA)
s OUT OF REGULATION DETECTION FOR 5V-
STANDBY REGULATOR
s WIDE OPERATING SUPPLY VOLTAGE
RANGE FROM 4.5V UP TO 26.5V FOR
TRANSIENT 34V
s VERY LOW STANDBY QUIESCENT
CURRENT (<150µA)
s INPUT TO OUTPUT SIGNAL TRANSFER
FUNCTION PROGRAMMABLE
s LVS FUNCTION
s TTL AND CMOS COMPATIBLE INPUTS
s OUTPUT CURRENT LIMITATION
s CONTROLLED OUTPUT SLOPE FOR LOW
EMI
s OVERTEMPERATURE SHUT-DOWN
s ABLE TO SURVIVE UNDER LOSS OF
BLOCK DIAGRAM
VBAT
LVS
SUPPLY
SELECTOR
SO24
ORDERING NUMBER: L5951
GROUND OR BATTERY
s ESD PROTECTED
DESCRIPTION
The L5951 is a monolithic triple regulator integrated
with a SAE J1850 Integrated Driver / Receiver real-
ized in advanced Multipower-BCD technology. It is
intended to drive single wire J1850 communications,
and offer microcontroller power and power manage-
ment for automotive or industrial applications.
3V
STANDBY
REG1
BANDGAP
REFERENCE
5V
STANDBY
REG2
EN
SLEEP
ENABLE/
PROTECTION
LOGIC
January 2001
TX
4X
LOOP
RX
DIGITAL OUTPUT
DRIVER
WAVESHAPING
FILTER
4XEN AND
LOOPBACK
RESET
7.8V
BUS DRIVER
RESET
REG3
BUS
LOSS
OF GND
PROTECTION
LOAD
GND
D99AU991
1/13
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PIN CONNECTION
REG1
RESET
REXT
GND_REG
GND_TX
GND_TX
GND_TX
GND_TX
SLEEP
EN
4X
LOOP
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
D99AU992
LVS
REG2
REG3
BAT
GND_TX
GND_TX
GND_TX
GND_TX
BUS
LOAD
TX
RX
PIN FUNCTIONS
N. Name
1 REG1 Regulator #1
2 Reset * Reset Output to µC
3 Rext Waveshaping Resistor
4 GND_REG Regulator Ground
,6,7,8,17, GND_TX Transceiver Ground
18,19,20
9 Sleep * Transceiver Enable Input
0 EN Enable for Regulator #3
11 4X 4XBus mode (41.6K Baud)
12 LOOP Loopback Enable
13 RX Serial Data Output to mC
14 TX Serial Data Input from mC
15 Load External Pull Down to Gnd
16 Bus Bus Output to Vehicle
21 Bat Battery Supply
22 REG3 Regulator #3
23 REG2 Regulator #2
24 LVS Low Voltage Supply
*denotes active low for Sleep and Reset.
Function
L5951
5/13
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for L5951 electronic component. |
| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Product Image and Detail view |  1. SO24 Pin ( PDF ) [ Learn More ] | |
| Download | [ L5951.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| L5950 | The function is MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO. STMicroelectronics | |
| L5951 | The function is TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE. STMicroelectronics | |
| L5952 | The function is MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR. STMicroelectronics | |
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