STMICROELECTRONICS BYW77

BYW77G-200

HIGH EFFICIENCY FAST RECOVERY DIODES
MAIN PRODUCT CHARACTERISTICS
IF(AV)
VRRM
trr
VF
1&3
25 A
200 V
50 ns
0.85 V
4
4
2
FEATURES AND BENEFITS
3
1
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
LOW FORWARD AND REVERSE RECOVERY
TIME
HIGH SURGE CURRENT CAPABILITY
SMD PACKAGE
D2PAK
(Plastic)
DESCRIPTION
Single rectifier suited for switchmode power supply
and high frequency DC to DC converters.
Packaged in D2PAK, this surface mount device is
intended for use in high frequency inverters, free
wheeling and polarity protection applications.
ABSOLUTE MAXIMUM RATINGS
Symbol
VRRM
IF(RMS)
Parameter
Value
Unit
Repetitive peak reverse voltage
200
V
RMS forward current
50
A
IF(AV)
Average forward current
Tc=125°C
δ = 0.5
25
A
IFSM
Surge non repetitive forward current
tp=10ms
sinusoidal
200
A
IFRM
Repetitive peak forward current
tp = 5µs
f = 5 kHz
310
A
Tstg
Tj
Storage and junction temperature range
- 40 to + 150
°C
October 1999 - Ed:3A
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BYW77G-200
THERMAL RESISTANCE
Symbol
Rth (j-c)
Parameter
Junction to case
Value
Unit
1
°C/W
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
IR *
Reverse leakage current
VF **
Pulse test :
Test Conditions
Forward voltage drop
Max.
Unit
Tj = 25°C
25
µA
Tj = 100°C
2.5
mA
IF = 20 A
Tj = 125°C
0.85
V
IF = 40 A
Tj = 125°C
1.00
IF = 40 A
Tj = 25°C
1.15
VR = VRRM
Min.
Typ.
* tp = 5 ms, δ < 2 %
** tp = 380 µs, δ < 2 %
To evaluate the conduction losses use the following equation :
P = 0.65 x IF(AV) + 0.0075 IF2(RMS)
RECOVERY CHARACTERISTICS
Symbol
Parameter
trr
Reverse recovery
time
Test Conditions
Tj = 25°C
Irr = 0.25 A
Min.
Typ.
IF = 0.5A
I R = 1A
IF = 1A
Tj = 25°C
dIF/dt = -50A/µs VR = 30V
tfr
VFP
Forward recovery
time
Tj = 25°C
IF = 1A
dIF/dt = 100A/µs
VFR = 1.1 x VF max
Peak forward
voltage
Tj = 25°C
IF = 1A
dIF/dt = 100A/µs
PIN OUT configuration in D2PAK:
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Max.
Unit
35
ns
50
ns
10
V
1.5
BYW77G-200
Fig.1 : Average forward power dissipation versus
average forward current.
P F(av)(W)
30.0
27.5
25.0
22.5
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
0
Fig.2 : Peak current versus form factor.
=0.2
=0.1
=0.05
=0.5
T
=1
400
IM
P=20W
=tp/T
300
tp
200
T
P=30W
100
I F(av)(A)
5
10
15
=tp/T
20
P=40W
tp
25
0
0
30
Fig.3 : Forward voltage drop versus forward current (maximum values).
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Fig.4 : Relative variation of thermal impedance
junction to case versus pulse duration.
1.0
VFM(V)
K
1.8
1.6
I M(A)
500
Zth(j-c) (tp. )
K =
Rth(j-c)
Tj= 125 oC
1.4
=0.5
0.5
1.2
=0.2
1.0
= 0 .1
0.8
0.6
T
0.2
0.4
0.2
Single pulse
IFM(A)
0.0
0.1
1
10
100
300
1.0E-03
Fig.5 : Non repetitive surge peak forward current
versus overload duration.
300
IM(A)
=tp/T
tp(s)
0.1
1.0E-02
1.0E-01
tp
1. 0E+00
Fig.6 : Average current versus ambient temperature. (δ = 0.5)
30
IF(av)(A)
Rth(j-a)=Rth(j-c)
250
25
200
20
=0.5
Tc=25 oC
150
15
Tc=75 o C
100
=tp/T
10
IM
50
Tc=125 o C
5
t
0.01
0.1
1
0
0
tp
Rth(j-a)=15 o C/W
t(s)
=0.5
0
0.001
T
Tamb( o C)
20
40
60
80
100
120
140
160
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BYW77G-200
Fig.7 : Junction capacitance versus reverse voltage applied (Typical values).
200
C(pF)
Fig.8 : Reverse recovery charges versus dIF/dt.
80
F=1MHz Tj=25 oC
190
70
180
160
50
150
140
40
IF=IF(av)
Tj=100 OC
Tj=25 O C
30
130
20
120
110
10
VR(V)
100
1
10
100
200
Fig.9 : Peak reverse current versus dIF/dt.
dIF/dt(A/µs)
0
1
10
1 00
Fig.10 : Dynamic parameters versus junction temperature.
IRM(A)
QRR;IRM[Tj]/QRR;IRM[Tj=125oC]
1.50
90%CONFIDENCE
2.5
90%CONFIDENCE
60
170
3.0
QRR(nC)
IF=IF(av)
1.25
Tj=100 OC
2.0
1.00
1.5
0.75
1.0
0.50
IRM
QRR
Tj=25 OC
0.5
0.0
1
4/5
0.25
dIF/dt(A/µs)
20
10
1 00
0.00
0
Tj( oC)
25
50
75
100
125
150
BYW77G-200
PACKAGE MECHANICAL DATA
D2PAK (Plastic)
REF.
A
E
C2
L2
D
L
L3
A1
B2
B
R
C
G
A2
2.0 MIN.
FLAT ZONE
V2
A
A1
A2
B
B2
C
C2
D
E
G
L
L2
L3
M
R
V2
DIMENSIONS
Millimeters
Inches
Min.
Max.
Min.
Max.
4.40
4.60
0.173
0.181
2.49
2.69
0.098
0.106
0.03
0.23
0.001
0.009
0.70
0.93
0.027
0.037
1.14
1.70
0.045
0.067
0.45
0.60
0.017
0.024
1.23
1.36
0.048
0.054
8.95
9.35
0.352
0.368
10.00
10.40
0.393
0.409
4.88
5.28
0.192
0.208
15.00
15.85
0.590
0.624
1.27
1.40
0.050
0.055
1.40
1.75
0.055
0.069
2.40
3.20
0.094
0.126
0.40 typ.
0.016 typ.
0°
8°
0°
8°
FOOT PRINT (in millimeters)
16.90
10.30
5.08
1.30
3.70
8.90
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use of such information nor for any infringementof patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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 1999 STMicroelectronics - Printed in Italy - All rights reserved.
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