L6285 查看數據表（PDF） - STMicroelectronics
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L6285 Datasheet PDF : 16 Pages
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ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR (see Fig. 6)
Symbol
fosc
Tdsc
Vreset
Parameter
Oscillator Frequency
Pin OSC/RESET
Capacitor Discharge Time
(protect dead time)
Reset Threshold Voltage
Test Conditions
COSC = 3.3nF; ROSC = 10KΩ
COSC = 3.3nF; ROSC = 10KΩ
(see Fig. 1)
L6285
Min. Typ. Max. Unit
27
41
46 KHz
0.8
1.4
2
µs
1
V
INTERFACE TIMING
Symbol
t1
t2
t3
t4
t5
Parameter
SCK Data Clock Cycle
SCK Data Set-upTime
SCK Data Hold Time
SCK-STB Interval Time
STB Pulse Width
Test Conditions
(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 effect of the internal filter (RC Network) is not considered.
Figure 1: Discharge time tdsc or Protection Time
Min. Typ. Max. Unit
200
ns
30
ns
20
ns
30
ns
100
ns
Figure 2: Interface Timing (Serial loading Mode)
Serial
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Input Data D15
D0
D3 D2 D1 D0 D3 D2 D1 D0 D3 D2 D1 D0 D3 D2 D1 D0
Register 4
Register 3
Register 2
Register 1
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