1/5
STPS5L40
July 2003 - Ed: 2A
POWER SCHOTTKY RECTIFIER
®
Axial Power Schottky rectifier suited for Switch
Mode Power Supplies and high frequency
inverters.
PackagedinDO-201AD,thisdeviceisintendedfor
useinlowvoltageoutput for small battery chargers
& consumer SMPS such as DVD and
Set-Top-Box..
DESCRIPTION
■NEGLIGIBLE SWITCHING LOSSES
■LOW FORWARD VOLTAGE DROP FOR
HIGHER EFFICIENCY.
■LOW THERMAL RESISTANCE
■AVALANCHE CAPABILITY SPECIFIED
FEATURES AND BENEFITS
Symbol Parameter Value Unit
VRRM Repetitive peak reverse voltage 40 V
IF(RMS) RMS forward current 15 A
IF(AV) Average forward current Tl = 100°C δ= 0.5 5A
I
FSM Surge non repetitive forward current Half wave, single phase
tp=10ms 150 A
PARM Repetitive peak avalanche power tp = 1µs Tj = 25°C 2700 W
Tstg Storage temperature range - 65 to + 150 °C
Tj Maximum operating junction temperature * 150 °C
dV/dt Critical rate of rise of reverse voltage (rated VR, Tj = 25°C) 10000 V/µs
ABSOLUTE RATINGS (limiting values)
IF(AV) 5A
V
RRM 40 V
Tj (max) 150°C
VF(max) 0.44 V
MAIN PRODUCT CHARACTERISTICS
DO-201AD
STPS5L40
*:
dPtot
dTj Rth j a
<−
1
()
thermal runaway condition for a diode on its own heatsink
STPS5L40
2/5
Symbol Parameter Value Unit
Rth(j-a) Junction to ambient 75 °C/W
Rth(j-l) Junction to leads Lead length = 10 mm 15 °C/W
THERMAL PARAMETERS
Symbol Parameter Tests conditions Min. Typ. Max. Unit
IR*Reverse leakage current Tj = 25°C VR=V
RRM 0.2 mA
Tj = 100°C 825
Tj = 125°C 25 75
VF*Forward voltage drop Tj = 25°C IF=5A 0.44 0.50 V
Tj = 100°C 0.40 0.46
Tj = 125°C 0.38 0.44
Pulse test : * tp = 380 µs, δ<2%
To evaluate the maximum conduction losses use the following equation:
P=0.34xI
F(AV) + 0.028 x IF2(RMS)
STATIC ELECTRICAL CHARACTERISTICS
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
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
IF(av)(A)
PF(av)(W)
T
δ=tp/T tp
δ= 0.05 δ= 0.1 δ= 0.2 δ= 0.5
δ= 1
Fig.1:Conductionlossesversusaveragecurrent.
0
1
2
3
4
5
6
0 25 50 75 100 125 150
Tamb(°C)
Rth(j-a)=Rth(j-l)
Rth(j-a)=75°C/W
IF(av)(A)
T
δ=tp/T tp
Fig. 2: Average forward current versus ambient
temperature (δ= 0.5).
STPS5L40
3/5
0
2
4
6
8
10
12
14
16
18
1.E-03 1.E-02 1.E-01 1.E+00
t(s)
Ta=25°C
Ta=50°C
Ta=100°C
IM(A)
IM
t
δ=0.5
Fig. 5: Non repetitive surge peak forward current
versus overload duration (maximum values).
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03
tp(s)
δ= 0.5
δ= 0.2
δ= 0.1
Single pulse
T
δ=tp/T tp
Zth(j-a)/Rth(j-a)
Fig. 6: Relative variation of thermal impedance
junction to ambient versus pulse duration.
1.E-03
1.E-02
1.E-01
1.E+00
1.E+01
1.E+02
0 5 10 15 20 25 30 35 40
VR(V)
Tj=150°C
Tj=125°C
Tj=25°C
Tj=100°C
Tj=75°C
Tj=50°C
IR(mA)
Fig. 7: Reverse leakage current versus reverse
voltage applied (typical values).
10
100
1000
1 10 100
VR(V)
F=1MHz
Vosc=30mV
Tj=25°C
C(pF)
Fig. 8: Junction capacitance versus reverse
voltage applied (typical values).
0
0.2
0.4
0.6
0.8
1
1.2
0 25 50 75 100 125 150
T (°C)
j
P(t)
P (25°C)
ARM p
ARM
Fig. 4: Normalized avalanche power derating
versus junction temperature.
0.001
0.01
0.10.01 1
0.1
10 100 1000
1
t (µs)
p
P(t)
P (1µs)
ARM p
ARM
Fig. 3: Normalized avalanche power derating
versus pulse duration.
4/5
STPS5L40
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
VFM(V)
Tj=25°C
(Maximum values)
Tj=125°C
(Maximum values)
Tj=125°C
(Maximum values)
Tj=125°C
(Typical values)
Tj=125°C
(Typical values)
IFM(A)
Fig. 9-1: Forward voltage drop versus forward
current (low level).
1
10
100
0.0 0.3 0.5 0.8 1.0 1.3 1.5
VFM(V)
Tj=25°C
(Maximum values)
Tj=125°C
(Maximum values)
Tj=125°C
(Maximum values)
Tj=125°C
(Typical values)
Tj=125°C
(Typical values)
IFM(A)
Fig. 9-2: Forward voltage drop versus forward
current (high level).
0
10
20
30
40
50
60
70
80
012345678910
S(cm²)
Rth(j-a)(°C/W)
Fig. 10: Thermal resistance junction to ambient
versus copper surface under each lead (epoxy
printed board FR4, Cu = 35µm).
0
10
20
30
40
50
60
70
80
5 10152025
Lleads(cm)
Rth(j-a): Epoxy printed circuit board FR4 (Cu= 35µm)
Rth(j-l)
Rth(°C/W)
Fig. 11: Thermal resistances versus leads length.
STPS5L40
5/5
Informationfurnished isbelievedto beaccurate andreliable. However, STMicroelectronicsassumes noresponsibility forthe consequences of
useof suchinformation norfor anyinfringement ofpatents orother rightsof thirdparties whichmay resultfrom itsuse. Nolicense isgranted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written
approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics
© 2003 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany
Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore
Spain - Sweden - Switzerland - United Kingdom - United States.
http://www.st.com
PACKAGE MECHANICAL DATA
DO-201AD plastic
BA
EE
ØD ØD
ØC
B
note 2
note 1
note 1
REF.
DIMENSIONS
NOTESMillimeters Inches
Min. Max. Min. Max.
A 9.50 0.374 1 - The lead diameter ∅D is not controlled over zone E
2 - The minimum axial length within which the device
may be placed with its leads bent at right angles is
0.59"(15 mm)
B 25.40 1.000
∅C 5.30 0.209
∅D 1.30 0.051
E 1.25 0.049
Ordering type Marking Package Weight Base qty Delivery mode
STPS5L40 STPS5L40 DO-201AD 1.12g 600 Ammopack
STPS5L40RL STPS5L40 DO-201AD 1.12g 1900 Tape and reel
■WHITE BAND INDICATES CATHODE
■EPOXY MEETS UL94,V0
