®
BYW77P/PI-200
HIGH EFFICIENCY FAST RECOVERY RECTIFIER DIODES
FEATURES
SUITED FOR SMPS
VERY LOW FORWARD LOSSES
NEGLIGIBLE SWITCHING LOSSES
HIGH SURGE CURRENT CAPABILITY
HIGH AVALANCHE ENERGY CAPABILITY
INSULATED VERSION :
Insulating voltage = 2500 V DC
Capacitance = 12 pF
A
K
DESCRIPTION
Single chip rectifier suited for switchmode power
supply and high frequency DC to DC converters.
Packaged in SOD93, or DOP3I this device is
intended for use in low voltage, high frequency
inverters, free wheeling and polarity protection
applications.
SOD93
(Plastic)
BYW77P-200
isolated
DOP3I
(Plastic)
BYW77PI-200
ABSOLUTE MAXIMUM RATINGS
Symbol
I
F(RMS)
I
F(AV)
RMS forward current
Average forward current
δ
= 0.5
SOD93
TOP3I
Tc=125°C
Tc=100°C
tp=10ms
sinusoidal
Parameter
Value
50
25
25
500
- 40 to + 150
- 40 to + 150
Unit
A
A
I
FSM
Tstg
Tj
Surge non repetitive forward current
Storage and junction temperature range
A
°
C
°C
Symbol
V
RRM
Parameter
Repetitive peak reverse voltage
Value
200
Unit
V
October 1999
Ed : 2C
1/5
BYW77P/PI-200
THERMAL RESISTANCE
Symbol
Rth (j-c)
Junction to case
Parameter
SOD93
DOP3I
Value
1.0
1.8
Unit
°C/W
ELECTRICAL CHARACTERISTICS
STATIC CHARACTERISTICS
Symbol
I
R
*
T
j
= 25°C
T
j
= 100°C
V
F **
T
j
= 125
°
C
T
j
= 125
°
C
T
j
= 25°C
I
F
= 20 A
I
F
= 40 A
I
F
= 40 A
Test Conditions
V
R
= V
RRM
Min.
Typ.
Max.
25
2.5
0.85
1.00
1.15
Unit
µA
mA
V
Pulse test : * tp = 5 ms, duty cycle < 2 %
** tp = 380
µ
s, duty cycle < 2 %
To evaluate the conduction losses use the following equation :
P = 0.7 x I
F(AV)
+ 0.0075 x I
F2(RMS)
RECOVERY CHARACTERISTICS
Symbol
trr
T
j
= 25
°
C
Test Conditions
I
F
= 0.5A
I
R
= 1A
I
F
= 1A
V
R
= 30V
tfr
V
FP
T
j
= 25°C
T
j
= 25°C
I
F
= 1A
V
FR
= 1.1 x V
F
I
F
= 1A
Irr = 0.25A
dI
F
/dt = -50A/µs
tr = 5 ns
tr = 5 ns
10
1.5
Min.
Typ.
Max.
35
50
ns
V
Unit
ns
2/5
BYW77P/PI-200
Fig.1 :
Average forward power dissipation versus
average forward current.
P F(av)(W)
=0.05
=0.1
=0.2
=0.5
=1
Fig.2 :
Peak current versus form factor.
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
500
400
I M(A)
T
IM
P=20W
300
T
=tp/T
tp
200
P=30W
100
I F(av)(A)
=tp/T
tp
P=40W
5
10
15
20
25
30
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
Fig.3 :
Forward voltage drop versus forward
current (maximum values).
VFM(V)
Fig.4 :
Relative variation of thermal impedance
junction to case versus pulse duration.
1.0
K
Zth(j-c) (tp. )
K =
Rth(j-c)
=0.5
=0.2
= 0 .1
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
IFM(A)
Tj= 125
o
C
0.5
T
0.2
Single pulse
0.1
1
10
100
300
0.1
1.0E-03
1.0E-02
tp(s)
1.0E-01
=tp/T
tp
1. 0E+00
Fig.5 :
Non repetitive surge peak forward current
versus overload duration.
(BYW81P)
300
250
200
150
100
IM
Fig.6 :
Non repetitive surge peak forward current
versus overload duration.
(BYW81PI)
250
200
IM(A)
IM(A)
Tc=25
o
C
Tc=75
o
C
Tc=125
o
C
t
=0.5
150
Tc=25
o
C
100
IM
Tc=50
o
C
t
=0.5
50
0
0.001
50
0
0.001
t(s)
0.01
0.1
1
t(s)
0.01
0.1
Tc=100
o
C
1
3/5
BYW77P/PI-200
Fig.7 :
Average current
temperature.
(duty cycle : 0.5) (SOD93)
30
25
=0.5
versus
ambient
Fig.8 :
Average current
temperature.
(duty cycle : 0.5) (DOP3I)
30
IF(av)(A)
versus
ambient
IF(av)(A)
Rth(j-a)=Rth(j-c)
25
=0.5
Rth(j-a)=Rth(j-c)
20
15
10
5
0
0
Rth(j-a)=15
o
C/W
=tp/T
T
20
15
tp
T
10
5
Rth(j-a)=15
o
C/W
=tp/T
tp
Tamb(
o
C)
20
40
60
80
100
120
140
160
0
0
Tamb(
o
C)
20
40
60
80
100
120
140
160
Fig.9 :
Junction capacitance versus reverse
voltage applied (Typical values).
Fig.10 :
Recovery charges versus dI
F
/dt.
20 0
1 90
1 80
1 70
1 60
1 50
1 40
1 30
1 20
C(pF)
F=1Mhz Tj=25
o
C
80
70
60
50
40
30
20
QRR(nC)
90%CONFIDENCE
IF=IF(av)
Tj=100
O
C
Tj=25
O
C
11 0
1 00
1
VR(V)
10
1 00
2 00
10
0
1
dIF/dt(A/us)
10
100
Fig.11 :
Peak reverse current versus dIF/dt.
Fig.12 :
Dynamic parameters versus junction
temperature.
QRR;IRM[Tj]/QRR;IRM[Tj=125
o
C]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1
4/5
IRM(A)
90%CONFIDENCE
1.50
Tj=100
O
C
IF=IF(av)
1.25
1.00
IRM
0.75
QRR
0.50
Tj=25
O
C
0.25
1 00
0.00
0
25
dIF/dt(A/us)
20
10
Tj(
o
C)
50
75
100
125
150
BYW77P/PI-200
PACKAGE MECHANICAL DATA
DOP3I (isoluted)
DIMENSIONS
REF.
A
B
C
D
E
F
G
H
K
L
N
P
R
Millimeters
Min.
Max.
4.4
4.6
1.45
1.55
14.35 15.60
0.5
0.7
2.7
2.9
15.8
16.5
20.4
21.1
15.1
15.5
3.4
3.65
4.08
4.17
10.8
11.3
1.20
1.40
4.60 typ.
Inches
Min.
Max.
0.173 0.181
0.057 0.061
0.565 0.614
0.020 0.028
0.106 0.114
0.622 0.650
0.815 0.831
0.594 0.610
0.134 0.144
0.161 0.164
0.425 0.444
0.047 0.055
0.181 typ.
Cooling method : C
Marking : Type number
Weight : 4.52 g
Recommended torque value : 0.8m.N
Maximum torque value : 1.0m.N
5/5
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