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LOW DROP POWER SCHOTTKY RECTIFIER
MAINPRODUCT CHARACTERISTICS
I
F(AV)
V
RRM
Tj (max) 150 °C
V
(max) 0.38V
F
FEATURESAND BENEFITS
VERYSMALL CONDUCTION LOSSES
NEGLIGIBLESWITCHING LOSSES
EXTREMELYFASTSWITCHING
LOW FORWARD VOLTAGEDROP
LOW THERMAL RESISTANCE
DESCRIPTION
2 x 40 A
30 V
STPS80L30CY
PRELIMINARY DATASHEET
A1
K
A2
A2
K
A1
Dual center tap Schottky rectifier suited for CAD
computersand servers.
Packaged in MAX247, this device is intended for
usein low voltage,highfrequencyswitchingpower
Max247
supplies, free wheeling and polarity protection
applications.
ABSOLUTE RATINGS
(limitingvalues, perdiode)
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
I
FSM
I
RRM
T
stg
Repetitivepeak reversevoltage 30 V
RMSforwardcurrent 50 A
Averageforwardcurrent Tc = 135°C
δ = 0.5
Per diode
Per device
40
80
Surgenon repetitiveforward current tp = 10 ms sinusoidal 400 A
Repetitivepeak reversecurrent tp = 2µs F = 1kHz square 2 A
Storagetemperaturerange - 65 to+ 150
°
Tj Maximumoperating junctiontemperature 150 °C
dV/dt Critical rateof riseof reverse voltage 10000 V/µs
*:
dPtot
dTj
<
1
Rth(j−a
thermal runawayconditionfor a diodeon itsown heatsink
)
A
C
August 1999 -Ed: 1A
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Page 2
STPS80L30CY
THERMALRESISTANCES
Symbol Parameter Value Unit
R
R
th (j-c)
th (c)
Junctionto case Perdiode 0.7
Whenthe diodes1 and 2 areused simultaneously:
∆
Tj(diode1) = P(diode1)x R
(Perdiode) + P(diode2) x R
th(j-c)
Total 0.5
Coupling 0.3
th(c)
°
C/W
STATICELECTRICALCHARACTERISTICS
(perdiode)
Symbol Parameter Testsconditions Min. Typ. Max. Unit
I
* Reverseleakagecurrent Tj = 25°CV
R
R=VRRM
4mA
Tj = 125°C 0.7 1.5 A
V
* Forwardvoltagedrop Tj = 25°CI
F
Tj = 125°CI
Tj = 25°CI
Tj = 125°CI
Pulse test : * tp = 380µs, δ <2%
To evaluate the maximum conduction lossesuse the following equation :
P = 0.23 x I
F(AV)
+ 0.0037x I
F2(RMS)
= 40A 0.48 V
F
= 40A 0.34 0.38
F
= 80A 0.58
F
= 80A 0.48 0.53
F
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Page 3
PACKAGEMECHANICAL DATA
MAX247
REF.
STPS80L30CY
DIMENSIONS
Millimeters Inches
AE
Min. Max. Min. Max.
A 4.70 5.30 0.185 0.209
A1 2.20 2.60 0.087 0.102
b 1.00 1.40 0.038 0.055
D
b1 2.00 2.40 0.079 0.094
b2 3.00 3.40 0.118 0.133
c 0.40 0.80 0.016 0.031
L1
A1
b1
L
b2
e
b
c
D 19.70 10.30 0.776 0.799
e 5.35 5.55 0.211 0.219
E 15.30 15.90 0.602 0.626
L 14.20 15.20 0.559 0.598
L1 3.70 4.30 0.146 0.169
Orderingtype Marking Package Weight Base qty Deliverymode
STPS80L30CY STPS80L30CY MAX247 4.4g 30 Tube
Epoxymeets UL94,V0
Coolingmethod:C
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use of such informationnor for any infringement of patentsor otherrights ofthirdparties which may result fromits use. No license is grantedby
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedesand replaces all informationpreviously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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