參數資料
型號: L5951
廠商: 意法半導體
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: 9/13頁
文件大?。?/td> 119K
代理商: L5951
9/13
L5951
2
BUS TIMING DIAGRAM
Figure 1. BUS Rise and Fall Times
Figure 2. BUS Pulse Width Distortion
V1
V2
Spectral Content Limit
(Measure spectral peak from
0.53MHz to 1.6MHz)
V
BAT
= 9V to 16V, no ground
offset, 0.53
f
1MHz.
V
BAT
= 9V to 16V, no ground
offset, 1
f
1.67MHz.
100
80
μ
V
μ
V
BUS
DLY
Propagation Delay
Measure Delay Between TX Trip
Point and RX Trip Point
16
μ
s
TX
4XDLY
TX
NormDLY
TX to BUS Delay
Measure from 2.5V on TX to
3.875V on BUS
4X Mode
Normal Mode
3.5
14.5
μ
s
μ
s
RX
LTOHdly
RX
HTOLdly
RX Output Delay Time
See Figure 4
Measured from BUS Threshold
Voltage
1.5
1.9
μ
s
μ
s
RX
LTOH
RX
HTOL
RX Output Transition Time
Load RX with 50pF to Ground
See Figure 5
170
70
ns
ns
RX
LTOH
RX
HTOL
RX Output Transition Time During
Sleep State
Load RX with 50pF to Ground
See Figure 5, Sleep* = 0VDC
170
70
ns
ns
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
64
μ
sec
TX
5V
0V
6.25V
BUS
1.5V
trise
tfall
6.25V
1.5V
D99AU993
64
μ
sec
TX
5V
0V
6.25V
BUS
1.5V
D99AU994
3.875V
>35
μ
sec
64
μ
sec
<93
μ
sec
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