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參數(shù)資料
| 型號(hào)： | 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(jī)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(jī)（用于汽車收音機(jī)的多功能四電壓穩(wěn)壓器） |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 74K |
| 代理商： | L4954 |
ELECTRICALCHARACTERISTICS
(Refer to the applicationcircuit, V
S
= 14.4V; T
amb
= 25
°
C;
I
OUT10
= 5mA; I
OUT8.5
= 5mA;I
OUT5
= 5mA; I
OUT5 ST-BY
= 0.5mA;R
HSD1
= 16
, R
HSD2,3
= 107
,
unless otherwisespecified.)
Symbol
V
S
Iq
Parameter
Test Condition
Min.
11
Typ.
Max.
16
Unit
V
mA
Operating Supply Voltage
Maximum Quiescent Current
I
OUT10
= 40mA; I
OUT8.5
= 175mA;
I
OUT5
= 650mA;
I
OUT5ST-BY
= 100mA;R
HSD1
=8
;
R
HSD2,3
= 53
EN1, EN2, EN3 = 0
I
OUT5, ST-BY
= 50mA;
EN1, EN2, EN3 = 0
I
OUT5, ST-BY
= 2mA;
10
I
q,ST-BY
Standby Quiescent Current
420
μ
A
300
μ
A
V
ENL
EN1, EN2, EN3 Input Low
Voltage
EN1, EN2, EN3 Input High
Voltage (Outputs Active)
0
0.8
V
V
ENH
2
5
V
10V / 40mAREG 1 OUTPUT
V
OUT10
Output Voltage
V
line
Line Regulation
V
load
Load Regulation
V
DROPOUT
Dropout Voltage
I
OUT10
= 40mA
V
S
= 11to 26V
I
out10
= 5 to 40mA
V
S
= V
OUT10
+ 0.1V
I
out10
= 5mA
V
S
= V
OUT10
+ 0.5V
I
out10
= 40mA
I
OUT10
= 5mA
I
OUT10
= 40mA
10
2
2
100
V
mV
mV
mV
200
500
600
mV
I
q1
Reg 1Quiescent Current
7
7
mA
mA
mA
dB
I
lim1
SVR
1
Current Limit
Reg 1Supply Voltage Rejection
100
55
f = 0.12 to 10KHz;
I
OUT10
= 25mA; V
RIP
= 1V
pp
8.5V / 175mAREG 2 OUTPUT
V
OUT8.5
Output Voltage
V
line
Line Regulation
V
load
Load Regulation
V
DROPOUT
Dropout Voltage
I
OUT8.5
= 175mA
V
S
= 11to 26V
I
out8.5
= 5 to 175mA
V
S
= V
OUT8.5
+ 0.3V
I
out8.5
= 5mA
V
S
= V
OUT8.5
+ 1V
I
out8.5
= 175mA
I
OUT8.5
= 5mA
I
OUT8.5
= 175mA
8.5
2
10
300
V
mV
mV
mV
400
1
1.1
V
I
q2
Reg 2 Quiescent Current
7
7
mA
mA
mA
dB
I
lim2
SVR
2
Current Limit
Reg 1Supply Voltage Rejection
300
55
f = 0.12 to 10KHz;
I
OUT8.5
= 100mA; V
RIP
= 1V
pp
L4954
3/7
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|---|---|
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