TC426 Datasheet, PDF (7/16 Pages) TelCom Semiconductor, Inc – 1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS

TC426/TC427/TC428
FIGURE 3-1:
INVERTING DRIVER
SWITCHING TIME
TEST CIRCUIT
V_DD = 18V
1µF
0.1µF
FIGURE 3-2:
NONINVERTING DRIVER
SWITCHING TIME
TEST CIRCUIT
V_DD = 18V
1µF
0.1µF
Input
1
Input: 100kHz,
square wave,
t_RISE = t_FALL ≤ 10nsec
2
TC426
(1/2 TC428)
+5V
Input
0V
18V
Output
0V
10%
t_D1
t_F
90%
10%
Output
C_L = 1000pF
90%
t_D2
t_R
90%
10%
Input
1
Input: 100kHz,
square wave,
t_RISE = t_FALL ≤ 10nsec
2
TC427
(1/2 TC428)
Output
C_L = 1000pF
+5V
Input
0V
18V
Output
0V
10%
t_D1 ^90%
t_R
10%
90%
t_D2
90%
t_F
10%
FIGURE 3-3:
+15V
VOLTAGE DOUBLER
0.1µF
+
– ^4.7µF
6
2 1/2
f_IN = 10kHz ^TC426 7
3
–+
10µF
1N4001
1N4001
V_OUT
+
– ^47µF
30.
29.
28.
27.
26.
25.
24.
23.
22.
0 10 20 30 40 50 60 70 80 90 100
I_OUT (mA)
FIGURE 3-4:
+15V
VOLTAGE INVERTER
0.1µF
+–
4.7µF
6
2 1/2
f_IN = 10kHz
TC426
3
7
+–
10µF
1N4001
1N4001
V_OUT
–
+ ^47µF
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
0
10 20 30 40 50 60 70 80 90 100
I_OUT (mA)
 2002 Microchip Technology Inc.
DS21415B-page 7