TC426 Microchip Technology, TC426 Datasheet - Page 7

• Manufacturer Part Number: TC426
• Description: (TC426 - TC428) 1.5A Dual High-Speed Power MOSFET Drivers
• Manufacturer: Microchip Technology

FIGURE 3-1:
FIGURE 3-3:
FIGURE 3-4:
 2002 Microchip Technology Inc.
f
f
t
IN
IN
RISE
= 10kHz
= 10kHz
Input: 100kHz,
square wave,
= t
Output
0.1µF
FALL
Input
+5V
18V
0.1µF
0V
0V
2
2
≤ 10nsec
TC426
TC426
Input
1/2
+15V
1/2
10%
+15V
6
3
6
3
4.7µF
+
7
90%
7
t
D1
–
INVERTING DRIVER
SWITCHING TIME
TEST CIRCUIT
VOLTAGE DOUBLER
VOLTAGE INVERTER
(1/2 TC428)
10%
TC426
+
–
t
F
1
2
V
4.7µF
10µF
10µF
+
–
DD
1µF
= 18V
–
+
t
D2
C
1N4001
0.1µF
L
90%
1N4001
Output
= 1000pF
1N4001
t
R
10%
1N4001
90%
+
–
–
+
47µF
47µF
FIGURE 3-2:
V
V
TC426/TC427/TC428
t
RISE
OUT
OUT
Input: 100kHz,
Output
square wave,
Input
+5V
18V
= t
0V
0V
FALL
≤ 10nsec
Input
10%
-10
-12
-14
27.
26.
25.
23.
-11
-13
29.
24.
22.
30.
28.
-6
-8
-5
-7
-9
0
0
t
D1
10 20 30 40 50 60 70 80 90
10 20 30 40 50 60 70 80 90
(1/2 TC428)
NONINVERTING DRIVER
SWITCHING TIME
TEST CIRCUIT
90%
TC427
10%
1
2
V
DD
I
t
= 18V
1µF
OUT
R
I
OUT
(mA)
(mA)
DS21415B-page 7
90%
t
D2
C
0.1µF
L
Output
= 1000pF
10%
90%
100
100
t
F