Datasheet BYV255V-200 Datasheet (SGS Thomson Microelectronics)

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BYV255V

HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES

FEATURES

n SUITED FOR SMPS
n VERY LOW FORWARD LOSSES
n NEGLIGIBLE SWITCHINGLOSSES
n HIGH SURGECURRENT CAPABILITY
n HIGH AVALANCHEENERGY CAPABILITY
n INSULATED :

Insulating voltage =2500 V

RMS

Capacitance =55 pF

DESCRIPTION

Dual rectifier suited for switchmode power supply
and high frequency DCto DC converters.
Packaged in ISOTOPTMthis device is intended for
use in low voltage, high frequency inverters, free
wheeling and polarity protectionapplications.

ABSOLUTE MAXIMUM RATINGS

K2 A2

A1K1

ISOTOP

(Plastic)

Symbol Parameter Value Unit

I

F(RMS)

I

F(AV)

I

FSM

RMS forward current
Average forward current δ = 0.5
Surge non repetitive forward current

Per diode
Tc=110°C Per diode
tp=10ms

Per diode

150 A
100 A

1600 A

sinusoidal

Tstg

Tj

Storage and junction temperature range

-40to+
150

- 40 to + 150

Symbol Parameter Value Unit

V

RRM

Repetitive peak reverse voltage

200 V

ISOTOP is a trademark of STMicroelectronics.

May 2000 - Ed : 2E

°C
°C

1/5

BYV255V

THERMAL RESISTANCE

Symbol Parameter Value Unit

Rth (j-c)

Rth (c)

Junction to case

Coupling

Per diode
Total

0.4 °C/W

0.25

0.1 °C/W

When the diodes 1 and 2 are used simultaneously :
Tj-Tc (diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) xRth(c)

ELECTRICAL CHARACTERISTICS (Per diode)
STATIC CHARACTERISTICS

Symbol Test Conditions Min. Typ. Max. Unit

IR*

Tj=25°CV
Tj= 100°C

V

F**

Tj= 125°CI
Tj= 125°CI
Tj=25°CI

Pulse test : * tp = 5ms, duty cycle < 2%

** tp = 380 µs, duty cycle< 2%

=V

R

RRM

= 100 A

F

= 200 A

F

= 200 A

F

100 µA

10 mA

0.85 V

1.00

1.15

RECOVERY CHARACTERISTICS

Symbol Test Conditions Min. Typ. Max. Unit

trr Tj=25°CI

= 0.5A

F

Irr = 0.25A 55 ns

IR=1A
IF=1A

dIF/dt = -50A/µs80

VR= 30V

tfr Tj=25°CI

V

FP

Tj=25°CI

=1A

F

VFR= 1.1 x V

= 1A tr = 5 ns 1.5 V

F

tr = 5 ns 10 ns

F

TURN-OFF SWITCHING CHARACTERISTICS

Symbol Test Conditions Min. Typ. Max. Unit

I

RM

Tj= 100°CI

= 100A

F

dIF/dt = -200A/µs16A
Lp  0.05µH
Vcc  0.6 V

RRM

dIF/dt = -400A/µs24

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BYV255V

Fig.1 : Average forward power dissipation versus

average forward current.

P

F(av)(W)

120
110

=0.5

=1

100

90
80
70
60
50
40

=0.05

=0.2

=0.1

T

30
20
10

0

0 20406080100120

I

F(av)(A)

=tp/T

tp

Fig.3 : Forward voltage drop versus forward

current (maximum values).

VFM(V)

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

o

Tj=125 C

IFM(A)

1 10 100 1000

Fig.2 : Peak current versus form factor.

I

M(A)

500
450
400
350
300
250
200

P=40W

P=70W

=tp/T

P=100W

T

I

M

tp

150

P=20W

100

50

0

0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

Fig.4 : Relative variation of thermal impedance

junction to case versus pulse duration.

K

1.0

Zth(j-c) (tp. )

K=

Rth(j-c)

0.5

0.2

0.1

=0.5

=0.2

=0.1

Single pulse

tp(s)

1.0E-03 1.0E-02 1.0E-01

=tp/T

T

tp

1.0E+00

Fig.5 : Non repetitive surge peak forward current

versus overload duration.

I

M(A)

1000

900
800
700
600
500
400
300

IM

200
100

0

0.001 0.01 0.1 1

t
=0.5

t(s)

o

Tc=25 C

o

Tc=75 C

o

Tc=110 C

Fig.6 : Average current versus ambient

temperature. (duty cycle :0.5)

I

F(av)(A)

120

100

80

60

=0.5

40

T

20

=tp/T

0

0 20406080100120140160

Rth(j-a)=Rth(j-c)

tp

o

Tamb( C)

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BYV255V

Fig.7 : Junction capacitance versus reverse

voltage applied (Typical values).

C(pF)

800

F=1Mhz Tj=25 C

o

750

700

650

600

550

500

1 10 100 200

VR(V)

Fig.9 : Peak reverse current versus dIF/dt.

IRM(A)

50

90%CONFIDENCE

IF=IF(av)

Tj=100 C

O

20

10

5

Fig.8 : Recovery charges versus dIF/dt.

QRR(uC)

2

90%CONFIDENCE

IF=IF(av)

Tj=100 C

O

1

0.5

0.2

dIF/dt(A/us)

0.1
10

5020

100

200 500

Fig.10 : Dynamic parameters versus junction

temperature.

QRR;IRM[Tj]/QRR;IRM[Tj=100 C

1.50

TYPICAL VALUES

1.25

1.00

IRM

0.75

0.50

QRR

o

4/5

2

1

10

20 50

dIF/dt(A/us)

100

200 500

0.25

o

0.00

0 25 50 75 100 125 150

Tj( C)

PACKAGE MECHANICAL DATA

ISOTOP

BYV255V

DIMENSIONS

REF.

A 11.80 12.20 0.465 0.480

A1 8.90 9.10 0.350 0.358

B 7.8 8.20 0.307 0.323

C 0.75 0.85 0.030 0.033

C2 1.95 2.05 0.077 0.081

D 37.80 38.20 1.488 1.504

D1 31.50 31.70 1.240 1.248

E 25.15 25.50 0.990 1.004
E1 23.85 24.15 0.939 0.951
E2 24.80 typ. 0.976 typ.

G 14.90 15.10 0.587 0.594
G1 12.60 12.80 0.496 0.504
G2 3.50 4.30 0.138 0.169

F 4.10 4.30 0.161 0.169

F1 4.60 5.00 0.181 0.197

P 4.00 4.30 0.157 0.69

P1 4.00 4.40 0.157 0.173

S 30.10 30.30 1.185 1.193

Millimeters Inches

Min. Max. Min. Max.

n Marking : Type number
n Cooling method : C
n Weight : 27 g
n Epoxy meets UL94,V0

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