HAT1038R/HAT1038RJ

8

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

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

Pulse Width PW (S)

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

DM

P

PW

T

D =

PW

T

ch – f(t) = s (t) •

ch – f

ch – f = 125 °C/W, Ta = 25 °C

θ

γ

θ

θ

When using the glass epoxy board

(FR4 40x40x1.6 mm)

Pulse Width PW (S)

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

DM

P

PW

T

D =

PW

T

ch – f(t) = s (t) •

ch – f

ch – f = 166 °C/W, Ta = 25 °C

θ

γ

θ

θ

When using the glass epoxy board

(FR4 40x40x1.6 mm)