®
MAIN PRODUCT CHARACTERISTICS
STPS1545D/F
POWER SCHO TTKY REC TIFIER
I
F(AV)
V
RRM
15 A
45 V
Tj (max) 175 °C
(max) 0.57 V
V
F
FEATURES AND BENE FITS
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSE S
EXTREMELY FAST SWITCHING
INSULATED PACKAGE: ISOW ATT220AC
Insulating voltage = 2000V DC
Capacitance = 12pF
DESCRIPTION
Single chip Schottky rectifier suited for Switch
Mode Power Supply and high frequency DC to DC
converters.
Packaged in TO-220AC or ISOWA TT2230AC, this
device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications.
ABSOLUTE RATINGS
(limiting values)
TO-220AC
STPS1545D
A
K
A
K
ISOWATT220AC
STPS1545F
Symbol Parameter Value Unit
V
RRM
I
F(RMS)
I
F(AV)
I
FSM
I
RRM
I
RSM
Tstg Storage temperature range - 65 to + 175
Repetitive peak reverse voltage 45 V
RMS forward current 30 A
Average forward current
δ
= 0.5
Surge non re petitive forwar d current
Repetitive peak reverse current
Non repetitive peak reverse current
TO-220AC Tc = 155°C 15 A
ISOWATT220AC Tc = 130°C
tp = 10 ms Sinusoidal
tp = 2 µs square F = 1kHz
tp = 100 µs square
220 A
1A
3A
°
Tj Maximum operating junction temperature * 175 ° C
dV/dt Critical rate of rise of reverse voltage 10000 V /µs
dPtot
* :
May 1999 - Ed: 3C
dTj
<
1
Rth(j−a
thermal runaway condition for a diode on its own heatsink
)
C
1/6
STPS1545D/F
THERMAL RE SISTA NC ES
Symbol Parameter Value Unit
R
th (j-c)
Junction to case TO-220AC 1.6
°
ISOWATT220AC 4.0
STATIC ELECTRICAL CHARACTE RISTICS
Symbol Parameter Tests Conditions Min. Typ. Max. Unit
* Reverse leakage current Tj = 25°CV
I
R
= V
R
RRM
200
Tj = 125°C1140mA
* Forward voltage drop Tj = 125°CI
V
F
Tj = 25°CI
Tj = 125°CI
Pulse test : * tp = 380 µs, δ < 2%
= 15 A 0.5 0.57 V
F
= 30 A 0.84
F
= 30 A 0.65 0.72
F
To evaluate the conduction losses use the following equation :
P = 0.42 x I
F(AV)
+ 0.01 I
F2(RMS)
C/W
µ
A
2/6