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STTH8003CY |
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HIGH FREQUENCY SECONDARY RECTIFIERS
MAJOR PRODUCTS CHARACTERISTICS
IF(AV) |
2x40 A |
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VRRM |
300 V |
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VF (max) |
1 V |
trr (max) |
60 ns |
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FEATURES AND BENEFITS
nCOMBINES HIGHEST RECOVERY AND VOLTAGE PERFORMANCE.
nULTRA-FAST, SOFT AND NOISE-FREE RECOVERY.
nHIGH OPERATING TEMPERATURE THANKS TO LOW LEAKAGE CURRENT.
DESCRIPTION
Dual rectifiers suited for Switch Mode Power Supply and high frequency DC to DC converters.
Packaged in Max247, this device is intended for use in low voltage, high frequency inverters, free wheeling operation, welding equipment and telecom power supplies.
ABSOLUTE RATINGS (limiting values)
A2
K
A1
Max247
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Parameter |
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Value |
Unit |
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VRRM |
Repetitive peak reverse voltage |
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300 |
V |
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IF(RMS) |
RMS forward current |
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50 |
A |
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IF(AV) |
Average forward cur- |
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Tc = 105°C |
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Per diode |
40 |
A |
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rent |
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δ = 0.5 |
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Per device |
80 |
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IFSM |
Surge non repetitive forward current |
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tp = 10 ms |
400 |
A |
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sinusoidal |
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IRSM |
Non repetitive avalanche current |
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tp = 100 μs |
4 |
A |
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square |
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Tstg |
Storage temperature range |
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-55 +175 |
°C |
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Tj |
Maximum operating junction temperature |
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+ 175 |
°C |
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September 2002 - Ed: 3A |
1/5 |
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STTH8003CY
THERMAL RESISTANCES
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Parameter |
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Value |
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Rth (j-c) |
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Junction to case thermal resistance |
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Per diode |
0.8 |
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°C/W |
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Total |
0.5 |
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Rth (c) |
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Coupling |
0.2 |
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°C/W |
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STATIC ELECTRICAL CHARACTERISTICS |
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Symbol |
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Parameter |
Tests Conditions |
Min. |
Typ. |
Max. |
Unit |
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IR * |
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Reverse leakage current |
VR = 300 V |
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Tj = 25°C |
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80 |
μA |
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Tj = 125°C |
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80 |
800 |
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VF ** |
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Forward voltage drop |
IF = 40 A |
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Tj = 25°C |
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1.25 |
V |
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Tj = 125°C |
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0.85 |
1 |
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Pulse test : |
* tp = 5 ms, δ < 2 % |
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** tp = 380 μs, δ < 2% |
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To evaluate the maximum conduction losses use the following equation :
P = 0.75 x IF(AV) + 0.0062 IF(RMS)2
DYNAMIC ELECTRICAL CHARACTERISTICS
Symbol |
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Tests Conditions |
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Min. |
Typ. |
Max. |
Unit |
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trr |
IF = 0.5 A |
Irr = 0.25 A |
IR = 1 A |
Tj = 25°C |
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50 |
ns |
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IF = 1 A |
dIF/dt = - 50 A/μs |
VR = 30 V |
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60 |
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IRM |
Vcc = 200 V IF = 40 A dIF/dt = -200 A/μs |
Tj = 125°C |
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13 |
A |
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Sfactor |
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0.3 |
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- |
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tfr |
IF = 40 A dIF/dt = 200 A/μs, |
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Tj = 25°C |
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450 |
ns |
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VFR = 1.1 x VF max |
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VFP |
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5 |
V |
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