1.5A DUAL HIGH-SPEED
POWER MOSFET DRIVERS
TC426
TC427
TC428
TYPICAL CHARACTERISTICS
Rise and Fall Times vs
Temperature
Rise and Fall Times vs
Delay Times vs Supply Voltage
Supply Voltage
70
90
80
70
60
50
40
30
40
35
C
T
= 1000pF
C
T
= 1000pF
C
V
= 1000 pF
L
L
L
t
t
R
F
= +25°C
= +25°C
= 18V
60
50
40
30
20
10
A
A
DD
t
D2
30
25
20
15
10
0
t
R
t
t
D1
F
0
5
10
15
20
0
5
10
15
20
–25
0
25
50
75 100 125 150
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
Supply Current vs
Capacitive Load
Rise and Fall Times vs
Capacitive Load
Delay Times vs Temperature
100
90
80
70
60
50
80
70
60
50
40
30
20
1K
t
C
V
= 1000pF
= 18V
400kHz
T
= +25°C
D2
L
A
T
= +25°C
t
t
R
F
A
V
= 18V
DD
DD
V
= 18V
DD
100
200kHz
10
1
t
D1
40
30
20kHz
10
0
–25
0
25
50
75 100 125 150
10
100
1000
10K
10
100
1000
10K
TEMPERATURE (°C)
CAPACITIVE LOAD (pF)
CAPACITIVE LOAD (pF)
Supply Current vs Frequency
High Output vs Voltage
Low Output vs Voltage
30
20
2.20
1.76
1.32
0.88
0.44
1.20
0.96
T
= +25°C
V
= 5V
DD
V
= 18V
A
T
T
= +25°C
A
DD
= +25°C
A
C
= 1000pF
L
V
= 8V
DD
0.72
0.48
0.24
10V
10V
13V
18V
5V
10
0
15V
1
10
100
1000
0
10 20 30 40 50 60 70
90 100
0
10 20 30 40 50 60 70 80 90 100
CURRENT SUNK (mA)
80
FREQUENCY (kHz)
CURRENT SOURCED (mA)
Supply Voltage vs
Quiescent Supply Current
Supply Voltage vs
Quiescent Supply Current
Thermal Derating Curves
20
15
10
5
1600
1400
1200
1000
800
20
15
10
5
NO LOAD
BOTH INPUTS LOGIC "0"
NO LOAD
BOTH INPUTS LOGIC "1"
8 Pin DIP
T
= +25°C
T
= +25°C
A
A
8 Pin CerDIP
8 Pin SOIC
600
400
200
0
30
40
70
80
90
100
110
120
10
20
50
60
0
AMBIENT TEMPERATURE (°C)
0
0
1
2
3
4
5
6
0
50
100 150 200 250 300
SUPPLY CURRENT (mA)
SUPPLY CURRENT (µA)
4-172
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
