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STMicroelectronics Electronic Components Datasheet

L5952 Datasheet

MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR

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L5952 pdf
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 = 0.6
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


STMicroelectronics Electronic Components Datasheet

L5952 Datasheet

MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR

No Preview Available !

L5952 pdf
L5952
BLOCK DIAGRAM
VIN 25
REG
REG
17
ST-CAP
3
VOUT1 (µP (500mA))
21
VOUT5 (DSP µP (500mA))
HRCAP 11
REG
REG
5
VOUT2 (TUNER (250mA))
7
VOUT3 (AUDIO (250mA))
REG
19
VOUT4 (CD (1A))
DATA
CLOCK
RESET
24
22
18
IIC BUS
I/F
REG
CURRENT
DET
4
DELAY CAP
5V
Tr SW
(*)
6
BATT-DET1 IN
5V
Tr SW
(*)
9
BATT-DET2 IN
10
BATT-DET3 IN
INPUT
BATTERY
12
Tr SW
(*)
20 8
TAB
GND
DIG GND
(*) N-ch open drain or NPN open collector
N.C.
23
VOUT6 (HIGH SIDE (1A))
16 BATT-DET 17
13
BATT-DET 1
SINK 2mA(max)
14
BATT-DET 2
SINK 2mA(max)
15
SINK 2mA(max)
BATT-DET 3
12 N.C.
D99AU1056D
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VIN DC Supply Voltage
VIN Transient Supply Overvoltage (50ms)
RESR Output Capacitor Series Eq. Series Resistors Allowed Range
Top Operating Temperature Range
Tstg Storage Temperature Range
Value
-0.6 to 26
50
0.2 to 10
-40 to 85
-40 to 150
THERMAL DATA
Symbol
Parameter
Rth j-case Thermal resistance junction-case
Value
1.3
Unit
V
V
°C
°C
Unit
°C/W
2/15


Part Number L5952
Description MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR
Maker STMicroelectronics
Total Page 15 Pages
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