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PDF L5952 Data sheet ( Hoja de datos )
| Número de pieza | L5952 | |
| Descripción | MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L5952 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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L5952
MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR
s FIVE REGULATED OUTPUTS
Vo1 5V @500mA
Vo2 8.3V @ 250mA
Vo3 7.7V to 8.5V @250mA (I2C presettable)
Vo4 5V to 7.3V @0.4A (I2C presettable)
Vo5 3.3V to 5V @500mA (I2C presettable)
HSDout RON = 0.6Ω
s I2C ENABLE & OUT PRESET
s ADJUSTABLE BATTERY DETECTION
CIRCUIT
s RESET OUTPUT
s BACKUP FACILITY
s LOW QUIESCENT CONSUMPTION
s HIGH RIPPLE REJECTION
s LOAD DUMP
s OVERCURRENT & SHORT CIRCUIT
PROTECTORS
s THERMAL SHUTDOWN
Flexiwatt 25
ORDERING NUMBER: L5952
DESCRIPTION
The L5952 is a multifunction 5 output voltage regula-
tor plus a High Side Driver primarily developed for car
radio applications.
Three outputs are enabled and set via I2C bus.
Very low stand-by current consumption is achieved
to specifically comply with entertainment and auto-
motive environments.
PIN CONNECTION (Top View)
September 2003
25 VIN
DATA
VOUT6
CLOCK
VOUT5
DIG GND
VOUT4
RESET
ST-CAP
BATT-DET 17
BATT-DET 3
BATT-DET 2
BATT-DET 1
N.C.
HRCAP
BATT-DET 3 IN
BATT-DET 2 IN
N.C.
VOUT3
BATT-DET 1 IN
VOUT2
DELAY CAP
VOUT1
GND
1 TAB
D99AU1055D
1/15
1 page  
ELECTRICAL CHARACTERISTCS (Continued)
Symbol
Parameter
Test Condition
Output 4: (Vout4)
Vadj Adjustable range
Imax Max. Current
SVRR Ripple rejection
Vdrop
∆Vload
∆Vlin
Voltage Drop
Load Regulation
Line Regulation
Iout = 400mA
Current limiter
1kHz, Vripple = 2Vpp
Iout = 400mA
Iout = 0 to 400mA
IOUT = 0
Vout4 Voltage configuration
Setting 1
Iout < 400mA; Vin = 9 to 16V
Setting 2
Setting 3
Setting 4
Setting 5
Setting 6
Setting 7
Select one of above settings as well as ON/OFF control by I2C. Default is OFF
Output 5 (Vout5)
Vadj
Imax
∆Vload
SVRR
Adjustable range
Max. Current
Load Regulation
Ripple Rejection
Vdrop
∆Vlin
Voltage Drop
Line Regulation
Iout < 500mA
Current limiter
Iout = 0 to 500mA
1kHz, Vripple = 2Vvpp
Iout = 500mA
IOUT = 0
Vout5 Voltage configuration
Setting 1
Iout < 500mA; Vin = 9 to 16V
Setting 2
Select one of above settings as well as ON/OFF control by I2C. Default is OFF
Output 6 (Vout6)
Vout Output Voltage
Iout < 800mA; Vin = 9 to 16V
L5952
Min Typ Max Unit
5 7.3 V
1.2 2.4
A
50 60
dB
0.6 0.75
V
20 50 mV
0 50 mV
7 7.3 7.6
6.7 7 7.3
6.3 6.6 6.9
6 6.3 6.6
5.7 6 6.3
5.3 5.5 5.7
4.75 5 5.25
V
V
V
V
V
V
V
3.3 5
600 1000
30 50
50 60
2.4 3.6
0 50
V
mA
mV
dB
V
mV
3.1 3.3 3.5
4.75 5.0 5.25
V
V
8.4
15.4
V
5/15
5 Page 
EXAMPLES
< Example 1 - no autoincrement mode - >
power on Vin = ON All output OFF (at RESET = “L”)
release reset RESET = “H”. Send sequence:
start I2C
Initial Set
stop I2C
start I2C
1000 1000 Chip address
0000 0001 OUT3 subaddress
0000 0010 OUT3 data (8.3V, OFF)
stop I2C
start I2C
1000 1000 Chip address
0000 0010 OUT4 subaddress
0000 0010 OUT4 data (7.0V, OFF)
stop I2C
1000 1000 Chip address
0000 0011 OUT5 subaddress
0000 0000 OUT5 data (3.3V, OFF)
start I2C
Set Turn-On
stop I2C
start I2C
1000 1000 Chip address
0000 0000 OUT2 subaddress
0000 0001 OUT2 data (ON)
stop I2C
start I2C
1000 1000 Chip address
0000 0001 OUT3 subaddress
0000 0011 OUT3 data (8.3V, ON)
stop I2C
start I2C
1000 1000 Chip address
0000 0010 OUT4 subaddress
0000 0011 OUT4 data (7.0V, ON)
stop I2C
start I2C
1000 1000 Chip address
0000 0011 OUT5 subaddress
0000 0001 OUT5 data (3.3V, ON)
stop I2C
1000 1000 Chip address
0000 0100 OUT6 subaddress
0000 0001 OUT6 data (ON)
L5952
11/15
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet L5952.PDF ] | |
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