l4952 STMicroelectronics, l4952 Datasheet - Page 2

• Manufacturer Part Number: l4952
• Description: Voltage Regulator For Car Radio Applications
• Manufacturer: STMicroelectronics

L4952
ABSOLUTE MAXIMUM RATINGS
Note: Current limiter of OUT1 will also protect OUT2 and OUT3 as long as OUT1 is not reverse supplied. Output capacitors up to 100 F between
PIN CONNECTION
THERMAL DATA
2/8
Symbol
Symbol
V
R
V
OUT and GND will not harm this protection.
V
I
I
s
V
T
o1,2,3,4
V
oDIAG
th j-amb
HSSD
V
I
V
o2,3
V
-V
DIAG
I
P
T
ESD
JSD
IND
o1
EN
st
s
J
o
IND
DC supply voltage
Transient operating supply voltage for t = 400ms
Output voltages
Input voltage of EN
Input voltage for EN2, EN3, HSON
Max Voltage Difference between V
EN3, HSON
Diagnostic output
Output current out1, out4
Output current out2,3 (Note 1)
Output current Diagnostic
Driver current for external pnp High side switch
Operating junction temperature
Power dissipation with on board heat sink 2cm
ESD voltage capability ( MIL 883 C )
Thermal Resistance Junction to Ambient with on board heatsink
2cm
Thermal shutdown junction temperature
2
OUT1
OUT3
OUT2
GND
GND
GND
GND
EN3
EN2
V
S
Parameter
Parameter
1
2
3
4
5
6
7
8
9
10
s
D95AU401A
and logic inputs EN2,
2
20
19
18
17
16
15
14
13
12
11
HSON
HSSS
HSSD
GND
GND
GND
GND
DIAG
OUT4
EN
short circuit protected
internally limited
internally limited
-40 .. +150
-2.2 .. +52
-0.3 .. +12
-0.3 .. +18
-0.3 .. +20
-2.2 .. +28
-18 .. +18
Value
Value
>150
2000
52
10
60
1
°C/W
Unit
Unit
mA
mA
mA
mA
°C
°C
W
V
V
V
V
V
V
V
V