TC428 View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

TC428

1.5A Dual High-Speed Power MOSFET Drivers

Microchip Technology 

TC426/TC427/TC428

FIGURE 3-1:

INVERTING DRIVER

SWITCHING TIME

TEST CIRCUIT

VDD = 18V

1µF

0.1µF

FIGURE 3-2:

NONINVERTING DRIVER

SWITCHING TIME

TEST CIRCUIT

VDD = 18V

1µF

0.1µF

Input

1

Input: 100kHz,

square wave,

tRISE = tFALL ≤ 10nsec

2

TC426

(1/2 TC428)

+5V

Input

0V

18V

Output

0V

10%

tD1

tF

90%

10%

Output

CL = 1000pF

90%

tD2

tR

90%

10%

Input

1

Input: 100kHz,

square wave,

tRISE = tFALL ≤ 10nsec

2

TC427

(1/2 TC428)

Output

CL = 1000pF

+5V

Input

0V

18V

Output

0V

10%

tD1 90%

tR

10%

90%

tD2

90%

tF

10%

FIGURE 3-3:

+15V

VOLTAGE DOUBLER

0.1µF

+

– 4.7µF

6

2 1/2

fIN = 10kHz TC426 7

3

–+

10µF

1N4001

1N4001

VOUT

+

– 47µF

30.

29.

28.

27.

26.

25.

24.

23.

22.

0 10 20 30 40 50 60 70 80 90 100

IOUT (mA)

FIGURE 3-4:

+15V

VOLTAGE INVERTER

0.1µF

+–

4.7µF

6

2 1/2

fIN = 10kHz

TC426

3

7

+–

10µF

1N4001

1N4001

VOUT

–

+ 47µF

-5

-6

-7

-8

-9

-10

-11

-12

-13

-14

0

10 20 30 40 50 60 70 80 90 100

IOUT (mA)

 2002 Microchip Technology Inc.

DS21415B-page 7

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