Document
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BYW77G-200
HIGH EFFICIENCY FAST RECOVERY DIODES
MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM trr VF 25 A 200 V 50 ns 0.85 V
1&3 4
4
2
FEATURES AND BENEFITS
1
3
VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD AND REVERSE RECOVERY TIME HIGH SURGE CURRENT CAPABILITY SMD PACKAGE 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.
D2PAK (Plastic)
ABSOLUTE MAXIMUM RATINGS Symbol VRRM IF(RMS) IF(AV) IFSM IFRM Tstg Tj Parameter Repetitive peak reverse voltage RMS forward current Average forward current Surge non repetitive forward current Repetitive peak forward current Storage and junction temperature range Tc=125°C δ = 0.5 tp=10ms sinusoidal tp = 5µs f = 5 kHz Value 200 50 25 200 310 - 40 to + 150 Unit V A A A A °C
October 1999 - Ed:3A
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BYW77G-200
THERMAL RESISTANCE Symbol Rth (j-c) Junction to case Parameter Value 1 Unit °C/W
STATIC ELECTRICAL CHARACTERISTICS Symbol IR * Parameter Reverse leakage current Test Conditions VR = VRRM Tj = 25°C Tj = 100°C VF ** Forward voltage drop IF = 20 A IF = 40 A IF = 40 A
Pulse test : * tp = 5 ms, δ < 2 % ** tp = 380 µs, δ < 2 %
Min.
Typ.
Max. 25 2.5 0.85 1.00 1.15
Unit µA mA V
Tj = 125°C Tj = 125°C Tj = 25°C
To evaluate the conduction losses use the following equation : P = 0.65 x IF(AV) + 0.0075 IF2(RMS) RECOVERY CHARACTERISTICS Symbol trr Parameter Reverse recovery time Test Conditions Tj = 25°C Irr = 0.25 A IF = 0.5A I R = 1A Min. Typ. Max. 35 50 ns 10 V 1.5 Unit ns
IF = 1A Tj = 25°C dIF/dt = -50A/µs VR = 30V tfr Forward recovery time Peak forward voltage Tj = 25°C IF = 1A dIF/dt = 100A/µs VFR = 1.1 x VF max Tj = 25°C IF = 1A dIF/dt = 100A/µs
VFP
PIN OUT configuration in D2PAK:
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BYW77G-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 oC
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.
IM(A)
Fig.6 : Average current versus ambient temperature. (δ = 0.5)
IF(av)(A)
Rth(j-a)=Rth(j-c)
300 250 200 150 100
30 25
=0.5
20
Tc=25 oC Tc=75 o C
T
15 10
=tp/T Rth(j-a)=15 o C/W tp
IM
Tc=125 o C
t =0.5
50 0 0.001
5
t(s) 0.01 0.1 1
0 0 20 40
Tamb( o C)
6.