ST STPS5L40 User Manual
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STPS5L40 |
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POWER SCHOTTKY RECTIFIER
MAIN PRODUCT CHARACTERISTICS
IF(AV) |
5 A |
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VRRM |
40 V |
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Tj (max) |
150°C |
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VF (max) |
0.44 V |
FEATURES AND BENEFITS
■NEGLIGIBLE SWITCHING LOSSES
■LOW FORWARD VOLTAGE DROP FOR HIGHER EFFICIENCY.
■LOW THERMAL RESISTANCE
■AVALANCHE CAPABILITY SPECIFIED
DESCRIPTION
Axial Power Schottky rectifier suited for Switch Mode Power Supplies and high frequency inverters.
Packaged in DO-201AD, this device is intended for use in low voltage output for small battery chargers & consumer SMPS such as DVD and Set-Top-Box..
ABSOLUTE RATINGS (limiting values)
DO-201AD STPS5L40
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VRRM |
Repetitive peak reverse voltage |
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40 |
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IF(RMS) |
RMS forward current |
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15 |
A |
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IF(AV) |
Average forward current |
Tl = 100°C δ = 0.5 |
5 |
A |
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IFSM |
Surge non repetitive forward current |
Half wave, single phase |
150 |
A |
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tp = 10 ms |
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PARM |
Repetitive peak avalanche power |
tp = 1µs Tj = 25°C |
2700 |
W |
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Tstg |
Storage temperature range |
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- 65 to + 150 |
°C |
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Tj |
Maximum operating junction temperature * |
150 |
°C |
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dV/dt |
Critical rate of rise of reverse voltage (rated VR, Tj = 25°C) |
10000 |
V/µs |
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* : |
dPtot |
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1 |
thermal runaway condition for a diode on its own heatsink |
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dTj |
Rth( j − a) |
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July 2003 - Ed: 2A |
1/5 |
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STPS5L40
THERMAL PARAMETERS
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Value |
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Rth(j-a) |
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Junction to ambient |
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75 |
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°C/W |
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Rth(j-l) |
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Junction to leads |
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Lead length = 10 mm |
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15 |
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°C/W |
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STATIC ELECTRICAL CHARACTERISTICS |
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Parameter |
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Tests conditions |
Min. |
Typ. |
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Max. |
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IR * |
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Reverse leakage current |
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Tj = 25°C |
V R = VRRM |
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0.2 |
mA |
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Tj = 100°C |
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25 |
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Tj = 125°C |
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25 |
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75 |
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VF * |
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Forward voltage drop |
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Tj = 25°C |
I F = 5 A |
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0.44 |
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0.50 |
V |
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Tj = 100°C |
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0.40 |
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0.46 |
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Tj = 125°C |
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0.38 |
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0.44 |
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Pulse test : |
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* tp = 380 µs, δ < 2% |
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To evaluate the maximum conduction losses use the following equation:
P = 0.34 x IF(AV) + 0.028 x IF2(RMS)
Fig. 1: Conduction losses versus average current.
PF(av)(W) |
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3.5 |
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δ = 0.1 |
δ = 0.2 |
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δ = 0.05 |
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δ = 0.5 |
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3.0 |
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2.5 |
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δ = 1 |
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2.0 |
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1.5 |
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1.0 |
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T |
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0.5 |
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IF(av)(A) |
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δ=tp/T |
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tp |
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0.0 |
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0.0 |
0.5 |
1.0 |
1.5 |
2.0 |
2.5 |
3.0 |
3.5 |
4.0 |
4.5 |
5.0 |
5.5 |
6.0 |
Fig. 2: Average forward current versus ambient temperature (δ = 0.5).
IF(av)(A) |
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6 |
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Rth(j-a)=Rth(j-l) |
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5 |
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4 |
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3 |
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Rth(j-a)=75°C/W |
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2 |
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T |
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1 |
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δ=tp/T |
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tp |
Tamb(°C) |
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0 |
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0 |
25 |
50 |
75 |
100 |
125 |
150 |
2/5
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