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STMicroelectronics Electronic Components Datasheet

STPS20L25CG Datasheet

LOW DROP POWER SCHOTTKY RECTIFIER

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® STPS20L25CT/CG
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCT CHARACTERISTICS
IF(AV)
VRRM
Tj (max)
VF (max)
2 x 10 A
25 V
150 °C
0.35 V
A1
K
A2
FEATURES AND BENEFITS
VERY LOW FORWARD VOLTAGE DROP FOR
LESS POWER DISSIPATION AND REDUCED
HEATSINK
OPTIMIZED CONDUCTION/REVERSE LOSSES
TRADE-OFF WHICH MEANS THE HIGHEST
EFFICIENCY IN THE APPLICATIONS
DESCRIPTION
Dual center tap Schottky rectifier suited to
Switched Mode Power Supplies and high
frequency DC to DC converters.
Packaged in TO-220AB and D2PAK, this device is
especially intended for use as a rectifier at the
secondary of 3.3V SMPS units.
K
A2
K
A1
TO-220AB
STPS20L25CT
A2
A1
D2PAK
STPS20L25CG
ABSOLUTE RATINGS (limiting values, per diode)
Symbol
Parameter
VRRM Repetitive peak reverse voltage
IF(RMS) RMS forward current
IF(AV) Average forward current
Tc = 145°C Per diode
δ = 0.5
Per device
IFSM
IRRM
IRSM
Surge non repetitive forward current
Repetitive peak reverse current
Non repetitive peak reverse current
tp = 10 ms Sinusoidal
tp=2 µs square F=1kHz
tp = 100 µs square
Tstg Storage temperature range
Tj Maximum operating junction temperature *
dV/dt Critical rate of rise of reverse voltage
Value
25
30
10
20
220
1
3
- 65 to + 150
150
10000
*
:
dPtot
dTj
<
1
Rth(ja)
thermal
runaway condition for a diode on its own heatsink
June 1999 - Ed : 3A
Unit
V
A
A
A
A
A
°C
°C
V/µs
1/5


STMicroelectronics Electronic Components Datasheet

STPS20L25CG Datasheet

LOW DROP POWER SCHOTTKY RECTIFIER

No Preview Available !

STPS20L25CT/CG
THERMAL RESISTANCES
Symbol
Rth (j-c) Junction to case
Rth (c)
Parameter
Per diode
Total
Coupling
When the diodes 1 and 2 are used simultaneously :
Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
Value
1.5
0.8
0.1
Unit
°C/W
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol
Tests conditions
IR * Reverse leakage current
VF * Forward voltage drop
Tests conditions
Tj = 25°C
VR = VRRM
Tj = 125°C
Tj = 25°C
IF = 10 A
Tj = 125°C IF = 10 A
Tj = 25°C
IF = 20 A
Tj = 125°C IF = 20 A
Min.
Typ.
125
0.30
0.41
Max.
800
250
0.46
0.35
0.56
0.48
Unit
µA
mA
V
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the maximum conduction losses use the following equation :
P = 0.22 x IF(AV) + 0.013 IF2(RMS)
Fig.1 : Average forward power dissipation versus
average forward current.
Fig.2 : Average forward current versus ambient
temperature ( δ = 0.5).
PF(av)(W)
5
δ = 0.05
4
δ = 0.1
δ = 0.2
δ = 0.5
3
δ=1
2
T
1
IF(av) (A)
δ=tp/T
tp
0
0 1 2 3 4 5 6 7 8 9 10 11
IF(av)(A)
12
10
Rth(j-a)=Rth(j-c)
8
6 Rth(j-a)=50°C/W
4
T
2
δ=tp/T
tp
0
0 25
Tamb(°C)
50 75
100
125
150
2/5


Part Number STPS20L25CG
Description LOW DROP POWER SCHOTTKY RECTIFIER
Maker ST Microelectronics
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STPS20L25CG Datasheet PDF





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