1.5A HIGH-SPEED 30V MOSFET DRIVERS
TC4431
TC4431
+5V
90%
INPUT
10%
0V
t
t
V
= 30V
DD
D1
D2
t
F
t
R
V
DD
90%
90%
4.7 µF
0.1 µF
OUTPUT
0V
1, 8
7
6
10%
10%
2
INPUT
OUTPUT
Inverting Driver
C
= 1000 pF
L
+5V
3
90%
LOCK DIS.
INPUT
10%
4, 5
0V
V
DD
90%
90%
t
t
D1
D2
INPUT: 100 kHz, square wave,
= t ≤ 10nsec
t
t
F
OUTPUT
0V
R
t
RISE FALL
10%
10%
Noninverting Driver
Figure 1. Switching Time Test Circuit
TYPICAL CHARACTERISTICS
Rise/Fall Time vs. V
LOAD
DD
= 1000pf at 25ЊC
Supply Current vs. Capacitive Load
C
60
150
V
= 12V
2 MHz
DD
T
F
50
40
30
20
125
100
75
900 kHz
600 kHz
50
T
R
10
0
25
0
200 kHz
20 kHz
100
1000
(pF)
10,000
3
6
9
12 15 18 21 24 27 30
(VOLTS)
C
V
LOAD
DD
T
and T
LOAD
Delay vs. V
D2 DD
D1
C
= 1000pf at 25ЊC
Input Current vs. Input Voltage
300
50
45
40
35
30
25
20
15
T
250
200
150
100
D1
T
D2
WITHOUT 1K RES.
WITH 1K RES.
10
5
50
0
0
3
6
9
12 15 18 21 24 27 30
3
6
9
12 15 18 21 24 27 30
Input Voltage (V
V
(VOLTS)
)
DD
IN
4-260
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
