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STPS80L15CY
LOW DROP OR-ing POWER SCHOTTKY RECTIFIER
STPS80L15CY
PRELIMINARY DATASHEETNovember 1999 - Ed: 4B
LOW DROP OR-ing POWER SCHOTTKY RECTIFIER
MAIN PRODUCT CHARACTERISTICSMax247 PACKAGE, DUAL DIODE
CONSTRUCTION, 2 x 40A
15V BLOCKING VOLTAGE SUITABLE FOR 5V
AND 12V OR-ing
EXTREMELY LOW VOLTAGE VOLTAGE
DROP: 0.33V @ 100°C
OPERATING JUNCTION TEMPERATURE:
125°C
FEATURES AND BENEFITSThe STPS80L15CY uses proprietary barrier
technology to optimize forward voltage drop for
OR-ing functions in n-1 fault tolerant Switch Mode
Power Supplies.
DESCRIPTION
ABSOLUTE RATINGS (limiting values, per diode)1/4
THERMAL RESISTANCESPulse test : * tp = 380 μs, δ < 2%
To evaluate the maximum conduction losses use the following equation :
P = 0.20 x IF(AV) + 0.0032 x IF2 (RMS)
STATIC ELECTRICAL CHARACTERISTICS (per diode) 5 10 15 20 25 30 35 40 45 50 55 600
PF(av)(W)
Fig. 1: Average forward power dissipation versusaverage forward current (per diode). 25 50 75 100 1250
IF(av)(A)
Fig. 2: Average forward current versus ambient
temperature (δ=0.5, per diode).
When the diodes 1 and 2 are used simultaneously :
Δ Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
STPS80L15CY2/4
1E-3 1E-2 1E-1 1E+00
600
IM(A)
Fig. 3: Non repetitive surge peak forward currentversus overload duration (maximum values, per
diode).
1E-3 1E-2 1E-10.0
Zth(j-c)/Rth(j-c)
Fig. 4: Relative variation of thermal impedance
junction to case versus pulse (per diode).
0123456789 1011121314151E-1
1E+0
1E+1
1E+2
1E+3
IR(mA)
Fig. 5: Reverse leakage current versus reverse
voltage applied (typical values, per diode). 5 10 201
C(nF)
Fig. 6: Junction capacitance versus reversevoltage applied (typical values, per diode).
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.81
200
IFM(A)
Fig. 7: Forward voltage drop versus forward
current (per diode).
STPS80L15CY3/4
. consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted 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 ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
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http://
PACKAGE MECHANICAL DATAMax247
Cooling method: by conduction (C)
Epoxy meets UL94,V0
STPS80L15CY4/4
:
www.ic-phoenix.com
.
