Diodes B320A - B360A Manuel d'utilisateur télécharger pdf (Page 4)

B320A - B360A

Document number: DS30891 Rev. 13 - 2

4 of 6

www.diodes.com

February 2014

© Diodes Incorporated

B320A - B360A

t1, PULSE DURATION TIME (sec)

Fig 9 Transient Thermal Resistance

B320A-B340A

r(t), T

R

ANSIENT THE

R

MAL

R

ESISTAN

C

E

D = 0.5

D = 0.7

D = 0.9

D = 0.3

D = 0.1

D = 0.05

D = 0.02

D = 0.01

D = 0.005

D = Single Pulse

R (t) = r(t) * R

R = 140°C/W

Duty Cycle, D = t1/ t2

θθ

θ

JA JA

JA

0.001

0.01

0.1

1

0.001 0.01 0.1 1 10 100 1000 10000

P(pk)

t

1

t

2

Note 7

t1, PULSE DURATION TIME (sec)

Fig 10 Transient Thermal Resistance

B350A-B360A

r(t), T

R

ANSIENT THE

R

MAL

R

ESISTAN

C

E

D = 0.5

D = 0.7

D = 0.9

D = 0.3

D = 0.1

D = 0.05

D = 0.02

D = 0.01

D = 0.005

D = Single Pulse

R (t) = r(t) * R

R = 137°C/W

Duty Cycle, D = t1/ t2

θθ

θ

JA JA

JA

0.001

0.01

0.1

1

0.001 0.01 0.1 1 10 100 1000 10000

P(pk)

t

1

t

2

Note 7

t , PULSE DURATION TIME (s)

1

Fig. 11 Single Pulse Maximum Power Dissipation

(B320A-B340A)

P

(

p

k

),

P

EAK

T

R

ANSIEN

T

P

O

WE

R

(W)

0

50

100

150

200

250

300

350

400

450

0.001 0.01 0.1 1 10 100 1000 10000

Single Pulse

R = 140°C/W

R (t) = r(t) * R

T - T = P * R (t)

Note 7

θ

θθ

θ

JA

JA JA

JA JA

t , PULSE DURATION TIME (s)

1

Fig. 12 Single Pulse Maximum Power Dissipation

(B350A-B360A)

P

(

p

k

),

P

EAK

T

R

ANSIEN

T

P

O

WE

R

(W)

0

50

100

150

200

250

300

350

400

450

500

0.0001 0.01 1 100

10000

Single Pulse

R = 137°C/W

R (t) = r(t) * R

T - T = P * R (t)

Note 7

θ

θθ

θ

JA

JA JA

JA JA

1 2 3 4 5 6

B320A - B360A 1

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