Document
STPS10120C
Datasheet
120 V power Schottky rectifier
A1 A2
K
K
A2 A1 K TO-220AB
Product status STPS10120C
Product summary
IF(AV)
2x5A
VRRM
120 V
Tj(max.)
175 °C
VF(typ.)
0.64 V
Features
• High junction temperature capability • Low leakage current • Good trade off between leakage current and forward voltage drop • Avalanche capability • ECOPACK®2 compliant
Applications
• Switching diode • SMPS • DC/DC converter • Telecom power • LED lighting • Notebook adapter
Description
This dual diode common cathode Schottky rectifier is suited for high frequency switched mode power supplies. Packaged in TO-220AB, the STPS10120C is optimized for use to enhance the reliability of the application.
DS13723 - Rev 2 - August 2018 For further information contact your local STMicroelectronics sales office.
www.st.com
STPS10120C
Characteristics
1 Characteristics
Table 1. Absolute ratings (limiting values per diode at 25 °C, unless otherwise specified)
Symbol
Parameter
VRRM Repetitive peak reverse voltage
IF(RMS) Forward rms current
IF(AV) Average forward current, δ = 0.5, square wave
Tc = 160 °C Tc = 155 °C
Per diode Per device
IFSM Surge non repetitive forward current
tp = 10 ms sinusoidal
PARM Repetitive peak avalanche power
tp = 10 µs, Tj = 125 °C
Tstg Storage temperature range
Tj Maximum operating junction temperature (1)
1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.
Value 120 30
5 10 120 215 -65 to +175 +175
Unit V A
A
A W °C °C
Symbol Rth(j-c) Rth(c)
Table 2. Thermal resistance parameters
Junction to case Coupling
Parameter Per diode Total
Max. value 3.8 2.3 0.7
Unit °C/W °C/W
When the diodes 1 and 2 are used simultaneously: ΔTj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) x Rth(c)
For more information, please refer to the following application note : • AN5088 : Rectifiers thermal management, handling and mounting recommendations
Table 3. Static electrical characteristics (per diode)
Symbol
Parameter
IR (1)
Reverse leakage current
VF (2)
Forward voltage drop
1. Pulse test: tp = 5 ms, δ < 2% 2. Pulse test: tp =380 µs, δ < 2%
Test conditions
Tj = 25 °C Tj = 125 °C
VR = VRRM
Tj = 25 °C Tj = 125 °C
IF = 5 A
Tj = 25 °C Tj = 125 °C
IF = 10 A
Min. Typ. Max. -6 -13 - 0.85 - 0.64 0.70 - 0.96 - 0.73 0.80
To evaluate the conduction losses, use the following equation: P = 0.60 x IF(AV) + 0.02 x IF 2 (RMS)
For more information, please refer to the following application notes related to the power losses : • AN604: Calculation of conduction losses in a power rectifier • AN4021: Calculation of reverse losses on a power diode
Unit µA mA
V
DS13723 - Rev 2
page 2/9
STPS10120C
Characteristics (curves)
1.1 Characteristics (curves)
Figure 1. Average forward power dissipation versus average forward current (per diode)
4.5 PF(AV)(W)
4.0
δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5
3.5 δ=1
3.0
2.5
2.0
1.5 1.0 T
0.5
IF(AV)(A)
δ=tp/T
tp
0.0
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
Figure 2. Average forward current versus ambient temperature (δ = 0.5, per diode)
IF(AV)(A)
6
5
Rth(j-a)=Rth(j-c)
4 Rth(j-a)=30° C/W
3
TO-220AB
2 T
1
δ=tp/T 0
0 25
tp 50
Tamb(°C)
7 5 100 125 150
175
Figure 3. Normalized avalanche power derating versus pulse duration (Tj = 125 °C)
PARM (t p ) 1 PARM(10 µs)
0.1
0.01 0.001
1
t p(µs) 10 100
1000
Figure 4. Relative variation of thermal impedance junction to case versus pulse duration
1.0 Zth(j-c) /Rth(j-c)
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Single pulse 0.0
1.E-03
1.E-02
tp(s)
1.E-01
1.E+00
DS13723 - Rev 2
page 3/9
STPS10120C
Characteristics (curves)
Figure 5. Reverse leakage current versus reverse voltage applied (typical values, per diode)
IR(µA)
1.E+03
1.E+02
1.E+01
Tj=125°C Tj=100°C Tj=75°C
1.E+00
Tj=50°C
1.E-01
Tj=25°C
1.E-02 0
VR (V) 10 2 0 3 0 4 0 5 0 6 0 70 8 0 9 0 100 110 120
Figure 6. Junction capacitance versus reverse voltage applied (typical values, per diode)
C(pF)
1000
F=1MHz VOSC=30mVRMS
Tj=25°C
100
10 1
VR(V) 10
100
1000
Figure 7. Forward voltage drop versus forward current (per diode)
IF(A)
200
180
160
140 120
Tj=125°C (maximum values)
100 80
Tj=125°C (typical values)
Tj=25°C (maximum values)
60
40
20 VF(V) 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
DS13723 - Rev 2
page 4/9
STPS10120C
Package information
2 Package information
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark.
2.1 Package information
• Epoxy meets UL 94,V0 • Cooling method: by conduction (C) • Recommended torque value: 0.55 N·m • Maximum torque value: 0.70 N·m
Figure 8. TO-220AB package outline
DS13723 - Rev 2
page 5/9
ST.