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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)： | 7/13頁 |
| 文件大小： | 119K |
| 代理商： | L5951 |
7/13
L5951
V
load
Load Regulation
0.5mA
≤
I
REG2
≤
100mA
(Measure
V
REG2
Across V
LOAD
Range)
14
100
mV
V
DROPOUT
Dropout Voltage (Measure V
BAT
-
V
REG2
when V
REG2
drops 0.1V)
I
REG2
=100mA
I
REG2
=5mA
450
22
mV
mV
I
lim2
Current Limit
200
mA
SVR2
Reg2 Supply Voltage Rejection
I
REG1
= I
REG2
= I
REG3
= 50mA
f = 20 to 20kHz
VBAT = 14Vdc, 1Vac,pp
45
dB
7.8V/100mA Regulator Output 3
V
REG3
Output Voltage
I
REG3
=100mA - 8.8V
≤
V
BAT
≤
Range
7.60
7.8
8
V
DV
line
Line Regulation
8.8V
≤
V
BAT
≤
26V
(Measure
V
REG3
Across V
BAT
Range)
50
mV
DV
load
Load Regulation
5mA
≤
I
REG3
≤
100mA
(Measure
V
REG3
Across V
LOAD
Range)
50
mV
V
DROPOUT
Dropout Voltage
(Measure V
BAT
- V
REG3
when
V
REG3
drops 0.1V)
I
REG3
= 100mA
I
REG3
= 5mA
0.5
0.04
V
V
I
lim3
Current Limit
200
mA
SVR3
Reg3 Supply Voltage Rejection
I
REG1
= I
REG2
= I
REG3
= 50mA
f = 20 to 20kHz
VBAT = 14Vdc, 1Vac,pp
45
dB
DC Characteristics for Class 2 Transceiver
Standard Loads: I
REG1
= 0.5mA, I
REG2
= 0.5mA, I
REG3
= 5mA
BUS
ih
BUS
il
BUS Guaranteed
Input Voltages
Verify RX > 3 VDC
Verify RX < 3 VDC
4.25
3.7
3.50
V
V
BUS
Hyst
BUS Hysteresis
BUS
Itoh
- BUS
hhtol
0.15
V
BUSov
BUS Output Voltage
TX = 5 VDC,
BUS = 257 to 1380
to gnd
V
BAT
- 8.2 to 16 VDC
V
BAT
- 6.0 to 8.2 VDC
TX = 0V
7.2
5
V
V
I
BUSshort
BUS Short Circuit Current
TX = 5VDC
BUS = -2 to 4.8VDC
170
mA
I
BUSleak
BUS Leakage Current
BUS = -2 to 0 VDC
BUS = 0 to V
BAT
0
0
mA
mA
LOAD
ON
Load Output
I
LOAD
= 6mA
0.045
V
ELECTRICAL CHARACTERISTICS
(continued)
(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
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