SGS Thomson Microelectronics STPS8L30B Datasheet
LOW DROP POWER SCHOTTKY RECTIFIER
MAINPRODUCTCHARACTERISTICS
I
F(AV)
V
RRM
Tj (max) 150 °C
(max) 0.40V
V
F
FEATURESAND BENEFITS
LOW COST DEVICE WITH LOW DROP FORWARD VOLTAGE FOR LESS POWER
DISSIPATIONANDREDUCED HEATSINK
OPTIMIZEDCONDUCTION/REVERSE LOSSES
TRADE-OFFWHICHLEADSTOTHEHIGHEST
YIELDINTHEAPPLICATIONS
HIGHPOWER SURFACE MOUNTMINIATURE
PACKAGE
8A
30 V
STPS8L30B
2
3
4
4
1
NC
DPAK
(TAB)
2
3
DESCRIPTION
Single Schottky rectifier suited to Switched Mode
PowerSupplies andhigh frequencyDCto DCconverters.
Packaged in DPAK, this device is especially intended for use as a Rectifier at the secondary of
3.3V SMPSor DC/DCunits.
ABSOLUTERATINGS
(limitingvalues)
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
I
FSM
I
RRM
I
RSM
T
stg
Tj Maximum junctiontemperature 150
Repetitivepeak reversevoltage 30 V
RMSforwardcurrent 7 A
Averageforward current Tc= 135°C δ = 0.5 8 A
Surgenon repetitiveforwardcurrent tp = 10 ms Sinusoidal 75 A
Repetitivepeak reversecurrent tp = 2 µs F = 1kHz square 1 A
Non repetitivepeak reversecurrent tp = 100µs square 2 A
Storagetemperaturerange - 65 to + 150 °C
°
dV/dt Criticalrate of riseof reversevoltage 10000 V/µs
C
dPtot
*:
dTj
October 1998 - Ed: 4A
<
Rth(j−a
1
thermal runawayconditionfor a diodeon its ownheatsink
)
1/4
STPS8L30B
THERMALRESISTANCES
Symbol Parameter Value Unit
R
th(j-c)
Junctionto case 2.5
STATICELECTRICALCHARACTERISTICS
Symbol TestsConditions Tests Conditions Min. Typ. Max. Unit
* Reverseleakagecurrent Tj= 25°CV
I
R
R=VRRM
Tj= 100°C1540
* Forwardvoltage drop Tj= 25°CI
V
F
= 8 A 0.49 V
F
Tj= 125°C 0.35 0.4
Tj= 25°CI
= 16A 0.63
F
Tj= 125°C 0.48 0.57
Pulse test: * tp = 380 µs, δ <2%
Toevaluate the maximum conductionlosses usethefollowingequation:
P = 0.23x I
F(AV)
+0.021I
F2(RMS)
°
C/W
1mA
Fig. 1:
Averageforward power dissipation versus
averageforwardcurrent.
PF(av)(W)
5.0
4.0
3.0
2.0
1.0
0.0
δ = 0.05
0246810
δ = 0.1
δ = 0.2
IF(av) (A)
δ= 0.5
δ
=tp/T
δ =1
T
tp
Fig. 2: Average forward current versus ambient
temperature(δ=0.5).
IF(av)(A)
9
8
7
6
5
4
3
2
1
0
0 25 50 75 100 125 150
δ
=tp/T
T
tp
Rth(j-a)=Rth(j-c)
Rth(j-a)=70°C/W
Tamb(°C)
2/4
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