TC427 TELCOM [TelCom Semiconductor, Inc], TC427 Datasheet - Page 5
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TC427
Manufacturer Part Number
TC427
Description
1.5A DUAL HIGH-SPEED POWER MOSFET DRIVERS
Manufacturer
TELCOM [TelCom Semiconductor, Inc]
Datasheet
1.TC427.pdf
(5 pages)
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VOLTAGE DOUBLER
1.5A DUAL HIGH-SPEED
POWER MOSFET DRIVERS
VOLTAGE INVERTER
t RISE = tF ALL
Test Figure 1. Inverting Driver Switching Time Test Circuit
TELCOM SEMICONDUCTOR, INC.
INPUT: 100kHz,
square wave,
OUTPUT
f
f
IN
IN
INPUT
= 10kHz
= 10kHz
+5V
18V
0V
0V
0.1 F
0.1 F
INPUT
10nsec
2
2
10%
TC426
TC426
+ 15V
+ 15V
1/2
1/2
6
3
6
3
90%
t D1
4.7 F
7
+
7
(1/2 TC428)
10%
TC426
–
t F
1
2
+
–
V DD
4.7 F
10 F
10 F
–
+
1 F
= 18V
+
–
t D2
C = 1000pF
L
0.1 F
90%
OUTPUT
1N4001
1N4001
t
R
10%
1N4001
1N4001
90%
+
–
+
–
47 F
47 F
V OUT
Test Figure 2. Noninverting Driver Switching Time Test Circuit
V OUT
t RISE = tF ALL
OUTPUT
INPUT: 100kHz,
INPUT
square wave,
+5V
18V
0V
0V
INPUT
10%
27.
26.
25.
23.
10nsec
30.
29.
24.
22.
28.
-10
-11
-12
-13
-14
-8
-5
-6
-9
-7
0
0
10 20 30 40 50 60 70 80 90
t D1
10 20 30 40 50 60 70 80 90
(1/2 TC428)
90%
TC427
10%
1
2
V DD
I
OUT
I
OUT
t R
1 F
= 18V
(mA)
(mA)
t D2
90%
C = 1000pF
L
0.1 F
OUTPUT
10%
90%
100
100
TC426
TC427
TC428
t F
4-173
1
2
3
4
5
6
7
8