SGS Thomson Microelectronics STPS12045TV Datasheet
MAINPRODUCTCHARACTERISTICS
STPS12045TV
POWER SCHOTTKY RECTIFIER
I
F(AV)
V
RRM
2 x 60 A
45 V
Tj (max) 150 °C
(max) 0.67 V
V
F
FEATURESAND BENEFITS
VERYSMALLCONDUCTIONLOSSES
NEGLIGIBLESWITCHINGLOSSES
EXTREMELYFAST SWITCHING
LOWTHERMALRESISTANCE
INSULATEDPACKAGE:
Insulatingvoltage =2500V
(RMS)
Capacitance= 45 pF
DESCRIPTION
Dual power Schottky rectifier suited for Switched
Mode Power Supplies and high frequency DC to
DCconverters.
Packagedin ISOTOP,this device is especially intended for use in low voltage, high frequency inverters, free wheeling and polarity protection
applications.
ABSOLUTERATINGS
(limitingvalues) per diode
A2K2
A1K1
ISOTOP
TM
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
I
FSM
I
RRM
I
RSM
T
stg
Tj
dV/dt
dPtot
*:
dTj
ISOTOPis aregistered trademarkof STMicroelectronics
June 1999 -Ed:3A
Repetitivepeak reversevoltage 45 V
RMSforward current 125 A
Averageforward current Tc =95°C
δ =0.5
Perdiode
Perdevice
60
120
Surgenon repetitiveforwardcurrent tp = 10 ms Sinusoidal 900 A
Repetitivepeak reversecurrent tp = 2 µs squareF = 1kHz
Non repetitivepeakreversecurrent tp = 100µs square
Storagetemperaturerange
Maximumoperatingjunctiontemperature*
Criticalrateof riseof reversevoltage
1
<
Rth(j−a
thermal runawayconditionfor a diode on itsownheatsink
)
2A
5A
- 55 to + 150 °C
150 °C
10000 V/µs
A
1/4
STPS12045TV
THERMALRESISTANCES
Symbol Parameter Value Unit
R
R
th (j-c)
th (c)
Junctionto case Perdiode 1
When the diodes1 and 2 are usedsimultaneously :
∆ Tj(diode 1)= P(diode) xR
(Perdiode) + P(diode2) x R
th
th(c)
Total
Coupling
0.55
0.1
°
C/W
STATICELECTRICAL CHARACTERISTICS
(per diode)
Symbol Parameter TestsConditions Min. Typ. Max. Unit
I
*
R
Reverseleakage current Tj = 25°CV
Tj = 125°C
* Forward voltagedrop Tj = 25°CI
V
F
Tj = 125°CI
Tj = 125°CI
Pulse test : * tp = 380µs,δ<2%
To evaluatethe conduction losses use thefollowing equation :
P = 0.47x I
+ 0.00333 xI
F(AV)
F2(RMS)
Fig. 1: Average forward power dissipation versus
averageforwardcurrent (perdiode).
PF(av)(W)
60
55
50
45
40
35
30
25
20
15
10
5
0
0 1020304050607080
δ = 0.05
δ = 0.1
δ = 0.2
IF(av)(A)
δ= 0.5
δ
=tp/T
δ =1
T
tp
R=VRRM
43 150
= 120 A 0.91 V
F
= 120 A
F
=60A
F
0.72 0.87
0.52 0.67
Fig. 2: Averagecurrent versus case temperature
(δ=0.5) (perdiode).
IF(av)(A)
70
60
50
40
30
20
10
=tp/T
δ
0
0 25 50 75 100 125 150
T
Rth(j-a)=Rth(j-c)
tp
Rth(j-a)=5°C/W
Tamb(°C)
1mA
2/4
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