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參數(shù)資料
| 型號： | L5951 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TRIPLE OUTPUT MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO WITH IDR/CLASS 2 INTERFACE |
| 中文描述： | 三路輸出的多功能車將IDR無線電穩(wěn)壓器/電壓類2接口 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大小： | 119K |
| 代理商： | L5951 |
L5951
6/13
ELECTRICAL CHARACTERISTICS
(T
amb
= 25°C, V
BAT
= 14.4V unless otherwise specified. Standard Loads: I
REG1
= 0.5mA, I
REG2
= 0.5mA, I
REG3
= 5mA)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
I
q,ST-BY
Standby Quiescent Current
EN, Sleep* = 0V, V
BAT
= 14V,
I
REG2
= 50mA, I
REG1
= 50mA
EN, Sleep* = 0V, V
BAT
= 14V,
I
REG2
= 500
μ
A, I
REG1
= 250mA
350
110
μ
A
μ
A
Maximum QuiescentCurrent -
V
BAT
V
BAT
= 14V, I
REG1
= 100mA,
I
REG2
= 100mA, I
REG3
= 100mA,
I
BUS
= 30mA
LVS = 0V
LVS = 10V
10
10.5
mA
mA
Maximum QuiescentCurrent -
LVS
V
BAT
= 14V, I
REG1
= 100mA,
I
REG2
= 100mA, I
REG3
= 100mA,
I
BUS
= 30mA LVS = 10V
750
μ
A
EN Switch Input Current
V
BAT
= 14V, EN
≥
2V
V
BAT
= 14V, EN
≥
0.8V
0
0
μ
A
μ
A
V
ENL, ENH
EN Input Threshold Voltage
V
BAT
= 14V, VIL
V
BAT
= 14V, VIH
2
0.8
V
V
RES, L
Reset* Output Low Voltage
Set V
BAT
so V
REG2
drops 0.30V
0
0.02
0.4
V
V
RES
Reset* Output Voltage Threshold
Decrease V
BAT
so V
REG2
drops
until Reset* drops
V
REG2
- 0.20
V
V
RES, HYS
Reset Threshold Hysteresis
50
mV
(*) Denotes active low.
3.3V/100mA DC Characteristics for Regulator Output 1
V
REG1
Output Voltage
I
REG1
=100mA
3.14
3.3
3.46
V
V
line
Line Regulation
7V
≤
V
BAT
≤
26V
(Measure
V
REG1
Across V
BAT
Range)
7
15
mV
V
load
Load Regulation
0.5mA
≤
I
REG1
≤
100mA
(Measure
V
REG1
Across V
LOAD
Range)
8
50
mV
V
DROPOUT
Dropout Voltage (Measure V
BAT
-
V
REG1
when V
REG1
drops 0.1V)
I
REG1
= 100mA
I
REG1
= 5mA
1
0.12
2.2
1.5
V
V
I
lim1
Current Limit
200
mA
SVR1
Reg1 Supply Voltage Rejection
I
REG1
= I
REG2
= I
REG3
= 50mA
f = 20 to 20kHz
VBAT = 14Vdc, 1Vac,pp
45
dB
5V/100mA Regulator Output 2
V
REG2
Output Voltage
I
REG2
=100mA
4.75
5
5.25
V
V
line
Line Regulation
7V
≤
V
BAT
≤
26V
(Measure
V
REG2
Across V
BAT
Range)
6
40
mV
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