參數(shù)資料
型號(hào): L4952
廠商: 意法半導(dǎo)體
英文描述: Voltage Regulator for Car Radio Applications(用于汽車(chē)收音機(jī)的電壓穩(wěn)壓器)
中文描述: 電壓調(diào)節(jié)器的汽車(chē)無(wú)線電應(yīng)用(用于汽車(chē)收音機(jī)的電壓穩(wěn)壓器)
文件頁(yè)數(shù): 2/8頁(yè)
文件大?。?/td> 99K
代理商: L4952
ABSOLUTE MAXIMUM RATINGS
Symbol
V
s
V
st
V
o1,2,3,4
V
EN
V
IND
V
s
-V
IND
Parameter
Value
-2.2 .. +28
-2.2 .. +52
-0.3 .. +12
-0.3 .. +18
-18 .. +18
52
Unit
V
V
V
V
V
V
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
s
and logic inputs EN2,
EN3, HSON
Diagnostic output
Output current out1, out4
Output current out2,3 (Note 1)
Output current Diagnostic
Driver currentfor external pnp High side switch
Operating junction temperature
Power dissipation with on board heatsink 2cm
2
ESD voltage capability( MIL 883 C )
V
DIAG
I
o1
I
o2,3
I
oDIAG
I
HSSD
T
J
P
o
V
ESD
-0.3 .. +20
V
short circuit protected
internally limited
10
internally limited
-40 .. +150
1
±
2000
mA
mA
mA
mA
°
C
W
V
Note:
CurrentlimiterofOUT1 will alsoprotect OUT2andOUT3 aslong as OUT1 is notreverse supplied.Outputcapacitors up to100
μ
F between
OUT and GND will not harm this protection.
THERMAL DATA
Symbol
R
th j-amb
Parameter
Value
60
Unit
°
C/W
Thermal Resistance Junction to Ambient with on board heatsink
2cm
Thermal shutdownjunction temperature
T
JSD
>150
°
C
OUT1
OUT3
EN3
GND
GND
GND
GND
EN2
OUT2
OUT4
DIAG
GND
GND
GND
GND
HSSD
HSSS
HSON
1
3
2
4
5
6
7
8
9
18
17
16
15
14
12
13
11
19
10
20
V
S
EN
D95AU401A
PIN CONNECTION
L4952
2/8
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