Datasheet
TC4421/TC4422
DS20001420F-page 6 2002-2013 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
= +25°C with 4.5V V
DD
18V.
FIGURE 2-7: Supply Current vs.
Capacitive Load (V
DD
=18V).
FIGURE 2-8: Supply Current vs.
Capacitive Load (V
DD
=12V).
FIGURE 2-9: Supply Current vs.
Capacitive Load (V
DD
=6V).
FIGURE 2-10: Supply Current vs.
Frequency (V
DD
=18V).
FIGURE 2-11: Supply Current vs.
Frequency (V
DD
=12V).
FIGURE 2-12: Supply Current vs.
Frequency (V
DD
=6V).
220
100
200
180
160
140
120
100
80
60
40
20
0
100,00010,0001000
1.125 MHz
632 kHz
200 kHz
20 kHz
2 MHz
63.2 kH
z
I
SUPPLY
(mA)
C
LOAD
(pF)
V
DD
= 18V
I
SUPPLY
(mA)
180
160
140
120
100
60
0
80
40
20
1.125 MHz
63.2 kHz
20 kHz
632 kHz
200 kHz
2 MHz
100 100,00010,0001000
V
DD
= 12V
C
LOAD
(pF)
I
SUPPLY
(mA)
100
90
80
70
60
50
40
30
20
10
0
20 kHz
632 kHz
200 kHz
2 MHz
63.2 kHz
100 100,00010,0001000
V
DD
= 6V
C
LOAD
(pF)
Fre
q
uenc
y
(
kHz
)
180
100
80
60
40
20
0
120
140
160
22,000 pF
470 pF
10,000 pF
0.1 µF
4700 pF
10 100 1000
47,000 pF
I
SUPPLY
(mA)
V
DD
= 18V
I
SUPPLY
(mA)
Frequency (kHz)
180
100
80
60
40
20
0
120
140
160
470 pF
22,000 pF
4700 pF
10,000 pF
47,000 pF
10 100 1000
V
DD
= 12V
0.1 µF
I
SUPPLY
(mA)
47,000 pF
120
40
20
0
100
4700 pF
10
Fre
q
uenc
y
(
kHz
)
100 1000
60
80
22,000 pF
470 pF
10,000 pF
10 100 1000
V
DD
= 6V
0.1 µF