參數(shù)資料
型號： L5950
廠商： 意法半導體
英文描述： MULTIPLE MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO
中文描述： 多重電壓調(diào)節(jié)器多功能車內(nèi)廣播
文件頁數(shù)： 3/8頁
文件大小： 132K
代理商： L5950
ELECTRICAL CHARACTERISTICS
(Refer to the application circuit, V
S
= 14.4V; T
amb
= 25°C; unless
otherwise specified.)
Symbol
I
q,ST-BY
I
q
Parameter
Test Condition
All Outputs Off, V
BAT
= 14V
V
BAT
= 14V, I
REG1
= 350mA,
I
REG2
= 175mA, I
REG3
= 350mA,
I
REG4
= 1A, I
REG5
= 250mA,
I
HSD1
= 2A, I
HSD2,3
= 450mA
V
BAT
= 14V,
Enable
≥
2V
V
BAT
= 14V,
Enable
≥
0.8V
V
BAT
= 14V, V
IL
V
BAT
= 14V, V
IH
Min.
Typ.
Max.
2
150
Unit
μ
A
mA
Standby Quiescent Current
Maximum Quiescent Current
I
EN
Enable Input Current
-10
10
μ
A
μ
A
V
IL
, V
IH
Enable Threshold Voltage
2
0.8
V
V
10V/350mA REG 1 OUTPUT
V
REG1
Output Voltage
I
REG1
= 350mA
11V
≤
V
CC
≤
16V
11V
≤
V
CC
≤
26V
(Measure
V
REG1
Across V
CC
Range)
5mA
≤
I
REG1
≤
350mA
(Measure V
BAT
- V
REG1
when
V
REG1
drops 0.1V)
I
REG1
= 350mA
I
REG1
= 5mA
9.50
10
10.5
V
V
line
Line Regulation
55
mV
V
load
V
DROPOUT
Load Regulation
Dropout Voltage (Measure
V
BAT
- V
REG1
when V
REG1
drops
0.1V)
55
mV
900
300
1.1
mV
mV
A
dB
I
lim1
SVR
Current Limit
Ripple Rejection
0.51
50
f
o
= 1kHz, V
BAT
= 14V
with 1Vpp AC
I
REG1
= 175mA
8.5V/175mA REG 2 OUTPUT
V
REG2
Output Voltage
I
REG2
= 175mA
9.5V
≤
V
BAT
≤
16V
9.5V
≤
V
BAT
≤
26V
(Measure
V
REG2
Across V
BAT
Range)
5mA
≤
I
REG2
≤
175mA
(Measure VBAT- V
REG2
when
V
REG2
drops 0.1V)
I
REG2
= 175mA
I
REG2
= 5mA
8.3
8.5
8.7
V
V
line
Line Regulation
50
mV
V
load
V
DROPOUT
Load Regulation
Dropout Voltage
50
mV
900
300
mV
mV
I
lim2
SVR
Current Limit
Ripple Rejection
280
50
525
mA
dB
f
o
= 1kHz, V
BAT
= 14V
with 1Vpp AC
I
REG2
= 100mA
5V/350mA REG 3 OUTPUT
V
REG3
Voltage Offset from VREF
V
line
Line Regulation
10
40
mV
7V
≤
V
BAT
≤
26V
(Measure
V
REG3
Across V
BAT
Range)
5mA
≤
I
REG3
≤
350mA
40
mV
V
load
Load Regulation
100
mV
L5950
3/8
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