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STPS30SM100SR-STPS30SM100ST
Power Schottky Rectifier
September 2011 Doc ID 15517 Rev 4 1/11
STPS30SM100SPower Schottky rectifier
Features High current capability Avalanche rated Low forward voltage drop current High frequency operation Insulated package: Insulation voltage 2000 V rms Package capacitance = 12 pF
DescriptionThis single Schottky rectifier is suited for high
frequency switch mode power supply.
Packaged in TO-220AB, TO-220AB narrow leads,
TO-220FPAB, D2 PAK and I2 PAK, this device is
intended to be used in notebook, game station
and desktop adaptors, providing in these
applications a good efficiency at both low and
high load.
Figure 1. Electrical characteristics (a) VARM and IARM must respect the reverse safe
operating area defined in Figure 13. VAR and IAR are
pulse measurements (tp < 1 µs). VR, IR, VRRM and VF,
are static characteristics
Table 1. Device summary
Characteristics STPS30SM100S2/11 Doc ID 15517 Rev 4
1 Characteristics o evaluate the conduction losses use the following equation:
P = 0.580 x IF(AV) + 0.0033 x IF2 (RMS)
Table 2. Absolute ratings (limiting values with terminals 1 and 3 short circuited) For temperature or pulse time duration deratings, refer to Figure 4. and Figure 5.. More details regarding the avalanche
energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025. Refer to Figure 13. condition to avoid thermal runaway for a diode on its own heatsink
Table 3. Thermal resistance
Table 4. Static electrical characteristics (terminals 1 and 3 short circuited) Pulse test: tp = 5 ms, δ < 2% Pulse test: tp = 380 µs, δ < 2%
STPS30SM100S CharacteristicsDoc ID 15517 Rev 4 3/11
Figure 2. Average forward power dissipation
versus average forward current
Figure 3. Average forward current versus
ambient temperature (δ = 0.5)
Figure 4. Normalized avalanche power
derating versus pulse duration
Figure 5. Normalized avalanche power
derating versus junction
temperature
Figure 6. Non repetitive surge peak forward
current versus overload
duration, maximum values
Figure 7. Non repetitive surge peak forward
current versus overload duration,
maximum values (TO-220FPAB)
Characteristics STPS30SM100S4/11 Doc ID 15517 Rev 4
Figure 8. Relative variation of thermal
impedance junction to case
versus pulse duration
Figure 9. Relative variation of thermal
impedance junction to case versus
pulse duration (TO-220FPAB)
Figure 10. Reverse leakage current versus
reverse voltage applied (typical
values)
Figure 11. Junction capacitance versus
reverse voltage applied
(typical values)
Figure 12. Forward voltage drop versus
forward current (terminals 1 and 3
short circuited)
Figure 13. Reverse safe operating area p < 1 µs and Tj < 150 °C)
STPS30SM100S Package informationDoc ID 15517 Rev 4 5/11
2 Package information Epoxy meets UL94, V0 Cooling method: by conduction (C) Recommended torque value: 0.4 to 0.6 N·m
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOP ACK®
specifications, grade definitions and product status are available at: .
ECOPACK® is an ST trademark.
Table 5. TO-220AB dimensions
Package information STPS30SM100S
6/11 Doc ID 15517 Rev 4
Table 6. TO-220AB narrow leads dimensions
