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STPS2545CT-Y Datasheet

Automotive power Schottky rectifier

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STPS2545CT-Y pdf
STPS2545CT-Y
Automotive power Schottky rectifier
Features
Very small conduction losses
Negligible switching losses
Extremely fast switching
Low thermal resistance
Avalanche capability specified
AEC-Q101 qualified
Description
Dual center tab Schottky rectifier suited for switch
mode power supplies and high frequency DC to
DC converters.
This device is especially intended for use in low
voltage, high frequency inverters, free-wheeling
and polarity protection in automotive applications.
Datasheet production data
A1
K
A2
A2
A1 K
TO-220AB
Table 1. Device summary
Symbol
Value
IF(AV)
VRRM
Tj (max)
VF(max)
2 x 12.5 A
45 V
175 °C
0.57 V
June 2012
This is information on a product in full production.
Doc ID 18183 Rev 2
1/7
www.st.com
7


STMicroelectronics Electronic Components Datasheet

STPS2545CT-Y Datasheet

Automotive power Schottky rectifier

No Preview Available !

STPS2545CT-Y pdf
Characteristics
1 Characteristics
STPS2545CT-Y
Table 2.
Symbol
Absolute ratings (limiting values, per diode)
Parameter
Value
Unit
VRRM Repetitive peak reverse voltage
45
IF(RMS) Forward rms current
30
IF(AV) Average forward current δ = 0.5
Tc = 160 °C Per diode
12.5
IFSM Surge non repetitive forward current tp = 10 ms sinusoidal
200
PARM Repetitive peak avalanche power
tp = 1 µs, Tj = 25 °C
4800
Tstg Storage temperature range
Tj Operating junction temperature range(1)
-65 to + 175
-40 to + 175
dV/dt Critical rate of rise reverse voltage
10000
1.
dPtot
dTj
<1
Rth(j-a)
condition to avoid thermal runaway for a diode on its own heatsink.
Table 3. Thermal resistances parameters
V
A
A
A
W
°C
°C
V/µs
Symbol
Parameter
Value
Unit
Rth (j-c) Junction to case
Rth (c) Coupling
Per diode
1.6 °C/W
0.6 °C/W
When the diodes 1 and 2 are used simultaneously:
ΔTj(diode 1) = P(diode 1) x Rth(j-c)(per diode) + P(diode 2) x Rth(c)
Table 4. Static electrical characteristics (per diode)
Symbol
Parameter
Tests conditions
Min. Typ. Max. Unit
IR (1)
Reverse leakage
current
Tj = 25 °C
VR = VRRM
Tj = 125 °C
VF (1)
Tj = 125 °C
Forward voltage drop Tj = 25 °C
IF = 12.5 A
IF = 25 A
Tj = 125 °C IF = 25 A
1. Pulse test: tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.42 x IF(AV) + 0.012 x IF2(RMS)
125
9 25
0.50 0.57
0.84
0.65 0.72
µA
mA
V
2/7 Doc ID 18183 Rev 2


Part Number STPS2545CT-Y
Description Automotive power Schottky rectifier
Maker STMicroelectronics
Total Page 7 Pages
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