NE555 Просмотр технического описания (PDF) - Harris Semiconductor
Номер в каталоге
Компоненты Описание
производитель
NE555
Timers for Timing Delays and Oscillator Application in Commercial, Industrial and Military Equipment
Harris Semiconductor
NE555 Datasheet PDF : 6 Pages
| |||
CA555, CA555C, LM555, LM555C, NE555
t1 t2
5V
0
3.3V
100
TA = 25oC, V+ = 5V
10
R1 + 2R2 = 1kΩ
1
10kΩ
100kΩ
1MΩ
0.1
10MΩ
1.7V
0
Top Trace: Output voltage (2V/Div. and 0.5ms/Div.)
Bottom Trace: Capacitor voltage (1V/Div. and 0.5ms/Div.)
FIGURE 5. TYPICAL WAVEFORMS FOR REPEAT CYCLE TIMER
Typical Performance Curves
0.01
0.001
10-1
1
10
102
103
104
105
FREQUENCY (Hz)
FIGURE 6. FREE RUNNING FREQUENCY OF REPEAT CYCLE
TIMER WITH VARIATION IN CAPACITANCE AND
RESISTANCE
150
100
TA = -55oC
0oC
25oC
50
70oC
125oC
0
0.1
0.2
0.3
0.4
MINIMUM TRIGGER (PULSE) VOLTAGE (x V+) (NOTE)
NOTE: Where x is the decimal multiplier of the supply voltage.
FIGURE 7. MINIMUM PULSE WIDTH vs MINIMUM TRIGGER
VOLTAGE
2.0
TA = -55oC
1.6
25oC
1.2
125oC
0.8
0.4
5V ≤ V+ ≤ 15V
0
1
10
100
SOURCE CURRENT (mA)
FIGURE 9. OUTPUT VOLTAGE DROP (HIGH STATE) vs
SOURCE CURRENT
10
TA = 125oC
9
8
25oC
7
6
50oC
5
4
3
2
1
0
2.5
5
7.5
10
12.5
15
SUPPLY VOLTAGE (V)
FIGURE 8. SUPPLY CURRENT vs SUPPLY VOLTAGE
10.0
V+ = 5V
1.0
TA = -55oC
25oC
125oC
0.1
0.01
1
10
100
SINK CURRENT (mA)
FIGURE 10. OUTPUT VOLTAGE LOW STATE vs SINK
CURRENT
8-7
Share Link: