HAT2024R

Rev.5.00 Sep 07, 2005 page 5 of 7

Drain Current

(A)

Switching Characteristics

500

100

200

50

10

20

5

0.2

0.5

1

2

5

10

0.1

Pulse Width PW (S)

Normalized Transient Thermal Impedance vs. Pulse Width (1 Drive Operation)

10

µ

100

µ

1 m

10 m

100 m

1

10

100

1000

10000

10

1

0.1

0.01

0.001

0.0001

D = 1

0.5

0.2

0.1

0.05

0.02

0.01

1shot

pulse

PW

T

D =

PW

T

θch – f (t) = γ s (t) • θch – f

θch – f = 125°C/W, Ta = 25°C

When using the glass epoxy board

(FR4 40

× 40 × 1.6 mm)

Pulse Width PW (S)

Normalized Transient Thermal Impedance vs. Pulse Width (2 Drive Operation)

10

µ

100

µ

1 m

10 m

100 m

1

10

100

1000

10000

10

1

0.1

0.01

0.001

0.0001

D = 1

0.5

0.2

0.1

0.05

0.02

0.01

1shot

pulse

PW

T

D =

PW

T

θch – f (t) = γ s (t) • θch – f

θch – f = 166°C/W, Ta = 25°C

When using the glass epoxy board

(FR4 40

× 40 × 1.6 mm)

tf

tr

td(on)

td(off)

PW = 3

µs, duty ≤ 1 %