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參數(shù)資料
| 型號： | L4954 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Quad Multifunction Voltage Regulator for Car Radio(用于汽車收音機的多功能四電壓穩(wěn)壓器) |
| 中文描述： | 四多功能電壓調(diào)節(jié)汽車收音機（用于汽車收音機的多功能四電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 74K |
| 代理商： | L4954 |
ELECTRICALCHARACTERISTICS
(Continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
5V / 650mA REG 3 OUTPUT
V
OUT5
Output Voltage
V
line
Line Regulation
V
load
Load Regulation
V
DROPOUT
Dropout Voltage
I
OUT5
= 650mA
V
S
= 7to 26V
I
out5
= 5 to 650mA
V
S
= V
OUT5
+ 0.3V
I
out5
= 5mA
V
S
= V
OUT5
+ 1V
I
out5
= 650mA
I
OUT5
= 5mA
I
OUT5
= 650mA
5
2
9
V
mV
mV
mV
300
400
1
1.1
V
I
q3
Reg 3 Quiescent Current
7
7
mA
mA
A
dB
I
lim3
SVR
3
Current Limit
Reg 3 Supply Voltage Rejection
1.25
55
f = 0.12 to 10KHz;
I
OUT5
= 325mA; V
RIP
= 1V
pp
5V / 100mA STAND-BY REG 4 OUTPUT
V
OUT5STBY
Output Voltage
V
line
Line Regulation
V
load
Load Regulation
V
DROPOUT
Dropout Voltage
I
OUT5STBY
= 100mA
V
S
= 7to 26V
I
out
= 0.5 to 100mA
V
S
= V
REG5STBY
+ 0.1V
I
out5STBY
= 5mA
V
S
= V
REG5STBY
+ 0.5V
I
out5STBY
= 100mA
I
OUT5STBY
= 2mA
I
OUT5STBY
= 100mA
5
V
0.8
3.5
100
mV
mV
mV
200
500
600
mV
I
q4
Reg 4 Quiescent Current
0.25
0.35
190
55
mA
mA
mA
dB
I
lim4
SVR
4
Current Limit
Reg 4 Supply Voltage Rejection
f = 0.12 to 10KHz
I
out5STBY
= 50mA; V
RIP
= 1V
pp
2A HSD1
V
sat,peak
Maximum Output Current
Saturation Voltage
Quiescent Current
Current Limit
Output Leakage Current
R
HSD1
= 8
600
mV
I
q
I
lim
I
leak1
9
mA
A
μ
A
R
HSD1
= 0.5
All driver outputs are off
3.5
20
0.3A HSD2 & HSD3
V
sat
Maximum Output Current
Saturation Voltage
Quiescent Current
Current Limit
Output Leakage Current
R
HSD2,3
= 53
150
mV
I
q
I
lim
1.5
500
10
mA
mA
μ
A
R
HSD2.3
= 0.5
All driver outputs are off
I
leak2,3
L4954
4/7
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| L4954_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Quad multifunction voltage regulator for car radio |
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