TC426(2006) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC426
(Rev.:2006)

1.5A Dual High-Speed Power MOSFET Drivers

Microchip Technology 

TC426/TC427/TC428

VDD = 18V

1 μF

0.1 μF

Input

1

Input: 100 kHz,

square wave,

tRISE = tFALL ≤ 10 nsec

2

TC426

(1/2 TC428)

Output

CL = 1000 pF

+5V

Input

0V

18V

Output

0V

10%

tD1

tF

90%

10%

90%

tD2

tR

90%

10%

FIGURE 3-1:

Inverting Driver Switching

Time Test Circuit

VDD = 18V

1 μF

0.1 μF

Input

1

Input: 100 kHz,

square wave,

tRISE = tFALL ≤ 10 nsec

2

TC427

(1/2 TC428)

Output

CL = 1000 pF

+5V

Input

0V

18V

Output

0V

10%

tD1 90%

tR

10%

90%

tD2

90%

tF

10%

FIGURE 3-2:

Noninverting Driver

Switching Time Test Circuit

+15V

0.1 μF

+

– 4.7 μF

6

2 1/2

fIN = 10 kHz TC426 7

3

–+

10 μF

1N4001

1N4001

VOUT

+

– 47 μF

FIGURE 3-3:

Voltage Doubler

30.

29.

28.

27.

26.

25.

24.

23.

22.

0 10 20 30 40 50 60 70 80 90 100

IOUT (mA)

+15V

0.1 μF

+–

4.7 μF

6

2 1/2

TC426

fIN = 10 kHz

3

7

+–

10 μF

1N4001

1N4001

VOUT

–

47 μF

+

FIGURE 3-4:

Voltage Inverter

© 2006 Microchip Technology Inc.

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0

10 20 30 40 50 60 70 80 90 100

IOUT (mA)

DS21415C-page 7

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