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| ICM7556 Datasheet, PDF (7/11 Pages) Intersil Corporation – Precision Timing Pulse Generation Sequential Timing Time Delay Generation Pulse Width Modulation Missing Pulse Detector | |||
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ICM7555, ICM7556
Typical Performance Curves (Continued)
8
TA = 25oC
6
4
2
RA = RB = 10Mâ¦
C = 100pF
0
2
RA = RB = 10kâ¦
4
C = 0.1µF
6
8
0.1
1.0
10.0
100.0
SUPPLY VOLTAGE (V)
FIGURE 10. NORMALIZED FREQUENCY STABILITY IN THE
ASTABLE MODE vs SUPPLY VOLTAGE
600
VDD = 5V
500
400
300
200
TA = 70oC
TA = 25oC
100
TA = -20oC
0
0
10
20
30
40
LOWEST VOLTAGE LEVEL OF TRIGGER PULSE (%VDD)
FIGURE 12. PROPAGATION DELAY vs VOLTAGE LEVEL OF
TRIGGER PULSE
1.0
100m
10m
1m
100µ
10µ
1µ
100n
10n
1n
100p
10p
1p
0.1
TA = 25oC
(RA + 2RB)
1kâ¦
10kâ¦
100kâ¦
1Mâ¦
10Mâ¦
100Mâ¦
1
10 100 1K 10K 100K 1M 10M
FREQUENCY (Hz)
FIGURE 14. FREE RUNNING FREQUENCY vs RA, RB AND C
100
10.0
TA = 25oC
VDD = 18V
1.0
VDD = 5V
VDD = 2V
0.1
0.01
0.1
1.0
10.0
DISCHARGE LOW VOLTAGE (V)
FIGURE 11. DISCHARGE OUTPUT CURRENT vs DISCHARGE
OUTPUT VOLTAGE
+1.0
+0.9
+0.8
RA = RB = 10kâ¦
C = 0.1µF
+0.7
+0.6
+0.5
VDD = 5V
+0.4
+0.3
VDD = 18V
+0.2
+0.1
VDD = 2V
0 VDD = 2V
-0.1
-20
0
20
40
60
80
TEMPERATURE (oC)
FIGURE 13. NORMALIZED FREQUENCY STABILITY IN THE
ASTABLE MODE vs TEMPERATURE
1.0
100m
TA = 25oC
10m
RA
1m
100µ
10µ
1µ
100n
10n
1kâ¦
10kâ¦
100kâ¦
1Mâ¦
10Mâ¦
100Mâ¦
1n
100p
10p
1p
100n 1µ 10µ 100µ 1m 10m 100m 1
10
TIME DELAY (s)
FIGURE 15. TIME DELAY IN THE MONOSTABLE MODE vs
RA AND C
7
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