beautypg.com

Vishay high power products, Ultralow v – Vishay 15ETL06-1PbF User Manual

Page 4

background image

www.vishay.com

For technical questions, contact: [email protected]

Document Number: 94005

4

Revision: 21-May-08

15ETL06SPbF/15ETL06-1PbF

Vishay High Power Products

Ultralow V

F

Hyperfast Rectifier for

Discontinuous Mode PFC, 15 A FRED Pt

TM

Fig. 5 - Maximum Allowable Case Temperature vs.

Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Typical Reverse Recovery Time vs. dI

F

/dt

Fig. 8 - Typical Stored Charge vs. dI

F

/dt

Note

(1)

Formula used: T

C

= T

J

- (Pd + Pd

REV

) x R

thJC

;

Pd = Forward power loss = I

F(AV)

x V

FM

at (I

F(AV)

/D) (see fig. 6);

Pd

REV

= Inverse power loss = V

R1

x I

R

(1 - D); I

R

at V

R1

= Rated V

R

0

5

10

15

20

25

Allo

wab

le Case

T

e

mperature (°C)

I

F(AV)

- Average Forward Current (A)

130

140

150

160

170

180

See note (1)

Square wave (D = 0.50)
80 % rated V

R

applied

DC

0

5

10

15

20

25

A

v

era

g

e P

o

wer Loss (W)

I

F(AV)

- Average Forward Current (A)

0

5

10

15

20

25

D = 0.01

D = 0.02
D = 0.05
D = 0.10

D = 0.20

D = 0.50

DC

RMS Limit

500

0

100

1000

t

rr

(ns)

dI

F

/dt (A/µs)

100

200

300

400

I

F

= 30 A

I

F

= 15 A

V

R

= 390 V

T

J

= 125 °C

T

J

= 25 °C

9000

0

100

1000

Q

rr

(nC)

dI

F

/dt (A/µs)

2000

4000

6000

8000

1000

3000

5000

7000

V

R

= 390 V

T

J

= 125 °C

T

J

= 25 °C

I

F

= 30 A

I

F

= 15 A