參數(shù)資料
型號(hào)： 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(chē)將IDR無(wú)線電穩(wěn)壓器/電壓類(lèi)2接口
文件頁(yè)數(shù)： 8/13頁(yè)
文件大?。?/td> 119K
代理商： L5951
L5951
8/13
LOAD
Dio
Load Output (Unpowered)
V
BAT
= 0V, I
LOAD
= 6mA
0.7
V
I
BUSloss
I
LOADloss
BUS & LOADCurrent during loss
of assembly V
BAT
or GND
I
VBAT
= 0mA,
BUS = -18 to 9VDC
LOAD = -18 to 0 VDC
11
39
μ
A
μ
A
TX
VIL
TX
VIH
TX Input Voltage
Verify BUS < 3.875VDC
Verify BUS > 3.875VDC
2
0.8
V
V
I
TXVIL
I
TXVIH
TX Input Current
TX = 5VDC
TX = 0VDC
110
0
μ
A
μ
A
4
Trip1
4
Trip2
4X Input Trip Point Voltages
Normal Mode
4X Mode
1.4
V
I
4Xvih
I
4Xvil
4X Input Current
4X = 5 VDC
4X = 0 VDC
0
0
μ
A
μ
A
L
Trip1
L
Trip2
LOOP Input Trip Point Voltages
Normal Mode
Loopback Mode
2
0.8
V
V
I
Lvih
I
Lvil
LOOP Input Current
LOOP = 5VDC
LOOP = 0VDC
0
μ
A
V
RXhigh
RX Output Voltage, High
BUS = 7V, I
RX
= -200
μ
A
4.85
V
V
RXlow
RX Output Voltage, Low
BUS = 0V, I
RX
= 1.6mA
0.2
V
I
RX
RX Output Current
RX = high (Short circuit protection
limits)
5
mA
Sleep* V
IH
Sleep*V
IL
Sleep* Input Voltage
TX = 5VDC
Verify BUS > 3.725
Verify BUS < 4.025
2
0.8
V
V
I
Sleepvih
I
Sleepvil
Sleep* Input Current
Sleep* = 5VDC
Sleep* = 0VDC
0.2
0
μ
A
μ
A
* Denotes active low for Sleep and Reset.
AC Characteristics for Class 2 Transceiver
Standard Loads: IREG1 = 0.5mA, IREG2 = 0.5mA, IREG3 = 5mA
BUS
LTOH
BUS Voltage Rise Times
TX = 7.812Hz square wave
See Figure 1
Min and Max Loaded BUS
15
μ
s
BUS
HTOL
BUS Voltage Fall Times
TX = 7.812Hz square wave
See Figure 1
Min and Max Loaded BUS
14
μ
s
t
Wbus
BUS Pulse Width Distortion
TX = 7.812Hz square wave
See Figure 2
Load BUS with 3.300pF and
1.38k
Meas. @ 1.5V levels
Meas. @ 6.25V levels
77
48
μ
s
μ
s
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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