1.5A DUAL OPEN-DRAIN
MOSFET DRIVERS
1
2
3
4
5
6
7
8
TC4404
TC4405
TYPICAL CHARACTERISTICS
Rise Time vs. Supply Voltage
Fall Time vs. Supply Voltage
Rise TIme vs. Capacitive Load
100
80
60
40
20
0
100
100
80
60
40
20
0
V
= 5V
2200 pF
DD
2200 pF
T
= +25°C
A
T
= +25°C
T = +25°C
A
A
80
60
40
20
0
1500 pF
1500 pF
10V
15V
1000 pF
470 pF
100 pF
1000 pF
470 pF
100 pF
14 16 18
14 16 18
4
6
8
10 12
4
6
8
10 12
100
1000
10,000
V
V
C
(pF)
DD
DD
LOAD
Rise and Fall Times
vs. Temperature
Propagation Delay
vs. Supply Voltage
Fall Time vs. Capacitive Load
60
50
40
30
20
10
60
50
40
30
20
10
100
80
60
40
20
0
C
= 1000 pF
C
T
= 1000 pF
T
= +25°C
LOAD
LOAD
= +25°C
V
= 5V
A
DD
V
= 17.5V
A
DD
t
D2
10V
15V
t
FALL
t
D1
t
RISE
14 16 18
100
1000
10,000
–55 –35 –15
5
25 45 65 85 105 125
4
6
8
10 12
C
(pF)
TEMPERATURE (°C)
V
LOAD
DD
Effect of Input Amplitude
on Delay Time
Propagation Delay Time
vs. Temperature
Quiescent Supply Current
vs. Voltage
10
60
50
40
30
20
10
60
50
40
30
20
10
V
V
= 17.5V
DD
T
= +25°C
C
= 1000 pF
A
LOAD
= 10V
= 1000 pF
LOAD
V
t
DD
T = +25°C
D2
A
BOTH INPUTS = 1
1
t
D2
t
t
BOTH INPUTS = 0
D1
D1
0.1
0
2
4
6
8
10
–55 –35 –15
5
25 45 65 85 105 125
4
6
8
10 12 14 16 18
V
(V)
TEMPERATURE (°C)
V
DRIVE
DD
TELCOM SEMICONDUCTOR, INC.
4-223
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