參數(shù)資料
型號: L6285
廠商: 意法半導體
英文描述: 3 CHANNELS MULTIPOWER SYSTEM
中文描述: 3通道移動電站系統(tǒng)
文件頁數(shù): 5/16頁
文件大?。?/td> 303K
代理商: L6285
ELECTRICAL CHARACTERISTICS (
continued)
OSCILLATOR
(see Fig. 6)
Symbol
f
osc
Parameter
Test Conditions
Min.
27
Typ.
41
Max.
46
Unit
KHz
Oscillator Frequency
Pin OSC/RESET
Capacitor Discharge Time
(protect dead time)
Reset Threshold Voltage
C
OSC
= 3.3nF; R
OSC
= 10K
T
dsc
C
OSC
= 3.3nF; R
OSC
= 10K
(see Fig. 1)
0.8
1.4
2
s
V
reset
1
V
INTERFACE TIMING
Symbol
t1
t2
t3
t4
t5
Parameter
Test Conditions
Min.
200
30
20
30
100
Typ.
Max.
Unit
ns
ns
ns
ns
ns
SCK Data Clock Cycle
SCK Data Set-upTime
SCK Data Hold Time
SCK-STB Interval Time
STB Pulse Width
(see Fig. 2)
Note 1:
No output loaded; all register to low condition; no reset applied; V
P
= 26.5V;V
S
= 5.5V
Note 2:
The effectof the internal filter (RC Network) is not considered.
Figure 2:
Interface Timing (Serial loading Mode)
Figure 1:
Discharge time t
dsc
or Protection Time
μ
Serial
Input Data
b15
D15
D3
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
D0
D0
D2
Register 4
D1
D0
D3
D2
Register 3
D1
D0
D3
D2
Register 2
D1
D0
D3
D2
Register 1
D1
L6285
5/16
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