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STPS5045S Datasheet

Power Schottky rectifier

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STPS5045S
Power Schottky rectifier
Features
Low forward voltage drop
Very small conduction losses
Negligible switching losses
Extremely fast switching
Low thermal resistance
200 °C maximum junction temperature
Avalanche rated
Description
This device is a dual center tap Schottky rectifier
suited for switch mode power supply and high
frequency DC to DC converters.
Packaged in D2PAK, this device is especially
intended for use in low voltage, high frequency
inverters, freewheeling and polarity protection
applications. Also ideal for PV cell-bypass diode
for junction and smart junction boxes.
Datasheet production data
A
K
A
K
A
A
D2PAK
STPS5045SG-TR
j
Table 1. Device summary
Symbol
IF(AV)
VRRM
Tj (max)
VF(max)
Value
50 A
45 V
200 °C
0.48 V
June 2012
This is information on a product in full production.
Doc ID022861 Rev 1
1/7
www.st.com
7


STMicroelectronics Electronic Components Datasheet

STPS5045S Datasheet

Power Schottky rectifier

No Preview Available !

Characteristics
1
Characteristics
STPS5045S
Table 2.
Symbol
Absolute ratings (limiting values at 25 °C unless otherwise specified)
Parameter
Value
Unit
VRRM Repetitive peak reverse voltage
45
V
IF(RMS) Forward rms current
90
A
IF(AV) Average forward current δ = 0.5
Tc = 135 °C
50
A
IFSM Surge non repetitive forward current tp = 10 ms sinusoidal
600
A
PARM Repetitive peak avalanche power
tp = 10 µs Tj = 125 °C
1200
W
Tstg Storage temperature range
-65 to +175 °C
Maximum operating junction temperature in DC forward mode(2)
+200
°C
Tj(1)
Maximum operating junction temperature
+175
°C
1. dPtot < 1 condition to avoid thermal runaway for a diode on its own heatsink
dTj Rth(j-a)
2. Maximum operating junction temperature only in DC forward mode
Table 3.
Symbol
Thermal resistance
Parameter
Value
Unit
Rth(j-c) Junction to case
1.0
°C/W
Table 4.
Symbol
Static electrical characteristics
Parameter
Test conditions
Min. Typ. Max. Unit
Tj = 25 °C
IR(1) Reverse leakage current Tj = 75 °C
VR = VRRM
VR = 20 V
Tj = 125 °C VR = VRRM
VF(2) Forward voltage drop
Tj = 25 °C
Tj = 125 °C
Tj = 200 °C
IF = 50 A
IF = 10 A
IF =20 A
1. Pulse test: tp = 5 ms, δ < 2%
2. Pulse test: tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.38 x IF(AV) + 0.0036 IF2(RMS)
0.090 0.36
0.7 1.9 mA
65 185
0.55 0.61
0.48 0.56
V
0.22
0.28
2/7
Doc ID022861 Rev 1



Part Number STPS5045S
Description Power Schottky rectifier
Maker STMicroelectronics
Total Page 3 Pages
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STPS5045S Datasheet PDF





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