Datasheet

 2002-2012 Microchip Technology Inc. DS21415D-page 7
TC426/TC427/TC428
FIGURE 3-1: Inverting Driver Switching
Time Test Circuit
FIGURE 3-2: Noninverting Driver
Switching Time Test Circuit
FIGURE 3-3: Voltage Doubler
FIGURE 3-4: Voltage Inverter
Output
Input
0.1 μF
V
DD
= 18V
+5V
Input
10%
90%
10%
90%
10%
90%
18V
Output
t
D1
t
F
t
R
t
D2
C
L
= 1000 pF
1 μF
0V
0V
TC426
(1/2 TC428)
1
2
Input: 100 kHz,
square wave,
t
RISE
= t
FALL
≤ 10 nsec
Output
Input
90%
10%
10%
10%
90%
TC427
(1/2 TC428)
+5V
Input
18V
Output
0V
0V
90%
1
2
0.1 μF
1 μF
t
D1
t
F
t
R
t
D2
V
DD
= 18V
C
L
= 1000 pF
Input: 100 kHz,
square wave,
t
RISE
= t
FALL
≤ 10 nsec
+15V
0.1 μF
4.7 μF
10 μF
47 μF
+
–
+
–
+
–
1N4001
1N4001
V
OUT
f
IN
= 10 kHz
2
6
3
7
29.
27.
25.
23.
0
10 20 30 40 50 60 70 80 90
I
OUT
(mA)
28.
26.
24.
22.
30.
100
V
OUT
(V)
1/2
TC426
+15V
0.1 μF 4.7 μF
10 μF
47 μF
+
–
+–
1N4001
1N4001
2
6
3
7
1/2
TC426
+–
-6
-8
-10
-12
0
10 20 30 40 50 60 70 80 90
-7
-9
-11
-13
-5
-14
100
I
OUT
(mA)
V
OUT
(V)
V
OUT
f
IN
= 10 kHz