ST STPS41L45CG, STPS41L45CG-T, STPS41L45CT, STPS41L45CR User Manual
® |
STPS41L45CG/CT/CR |
|
|
|
|
LOW DROP POWER SCHOTTKY RECTIFIER
MAIN PRODUCTS CHARACTERISTICS
IF(AV) |
2 x 20 A |
VRRM |
45 V |
Tj (max) |
150 °C |
|
|
VF (max) |
0.47 V |
FEATURES AND BENEFITS
■VERY SMALL CONDUCTION LOSSES
■NEGLIGIBLE SWITCHING LOSSES
■EXTREMELY FAST SWITCHING
■LOW FORWARD VOLTAGE DROP
■LOW THERMAL RESISTANCE
■AVALANCHE CAPABILITY SPECIFIED
DESCRIPTION
Dual center tab Schottky rectifier suited for 5V output in off line AC/DC power supplies.
Packaged in D2PAK, I2PAK and TO-220AB this device is intended for use in low voltage, high frequency inverters, free-wheeling and polarity protection applications.
A1 |
|
|
K |
A2 |
|
A2 |
K A2 |
K |
|
A1 |
A1 |
|
|
I2PAK |
TO-220AB |
STPS41L45CR |
STPS41L45CT |
K |
|
|
A2 |
A1 |
|
D2PAK |
|
STPS41L45CG |
|
ABSOLUTE RATINGS (limiting values, per diode)
Symbol |
|
|
|
Parameter |
|
|
Value |
Unit |
||
VRRM |
Repetitive peak reverse voltage |
|
|
45 |
V |
|||||
IF(RMS) |
RMS forward current |
|
|
30 |
A |
|||||
|
|
|
|
|
|
|
|
|
||
IF(AV) |
Average forward current |
Tc = 130°C |
Per diode |
20 |
A |
|||||
|
|
|
|
|
|
|
δ = 0.5 |
Per device |
40 |
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
||
IFSM |
Surge non repetitive forward current |
tp = 10 ms sinusoidal |
220 |
A |
||||||
|
|
|
|
|
|
|
|
|
||
IRRM |
Peak repetitive reverse current |
tp=2 µs square F=1kHz |
1 |
A |
||||||
PARM |
Repetitive peak avalanche power |
tp = 1µs Tj = 25°C |
10000 |
W |
||||||
|
|
|
|
|
|
|
|
|
||
Tstg |
Storage temperature range |
|
|
- 65 to + 175 |
°C |
|||||
|
Tj |
Maximum operating junction temperature * |
|
150 |
°C |
|||||
dV/dt |
Critical rate of rise reverse voltage |
|
|
10000 |
V/µs |
|||||
|
|
|
|
|
|
|
|
|
|
|
* : |
dPtot |
|
< |
|
1 |
thermal runaway condition for a diode on its own heatsink |
|
|||
dTj |
Rth( j − a) |
|
||||||||
|
|
|
|
|
|
|
||||
July 2003 - Ed : 3A |
1/6 |
|
STPS41L45CG / STPS41L45CT / STPS41L45CR
THERMAL RESISTANCES
Symbol |
|
Parameter |
Value |
Unit |
|
|
|
|
|
|
|
Rth(j-c) |
Junction to case |
|
Per diode |
1.5 |
°C/W |
|
|
|
Total |
0.8 |
|
Rth(c) |
Coupling |
|
|
0.1 |
|
|
|
|
|
|
|
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)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol |
Parameter |
Tests Conditions |
Min. |
Typ. |
Max. |
Unit |
|
|
|
|
|
|
|
|
|
IR * |
Reverse leakage current |
Tj = 25°C |
V R = VRRM |
|
|
1.2 |
mA |
|
|
|
|
|
|
|
|
|
|
Tj = 125°C |
|
|
110 |
220 |
mA |
|
|
|
|
|
|
|
|
VF * |
Forward voltage drop |
Tj = 25°C |
IF = 20 A |
|
|
0.53 |
V |
|
|
|
|
|
|
|
|
|
|
Tj = 125°C |
I F = 20 A |
|
0.42 |
0.47 |
|
|
|
|
|
|
|
|
|
|
|
Tj = 25°C |
IF = 40 A |
|
|
0.68 |
|
|
|
|
|
|
|
|
|
|
|
Tj = 125°C |
I F = 40 A |
|
0.60 |
0.66 |
|
|
|
|
|
|
|
|
|
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation :
P = 0.28 x IF(AV) + 0.0095 IF2(RMS)
Fig. 1: Conduction losses versus average current.
PF(av)(W) |
|
|
|
|
|
|
|
|
|
|
|
|
||
14 |
|
|
|
|
|
|
|
|
δ = 0.5 |
|
|
|
|
|
|
|
|
|
|
|
δ = 0.2 |
|
|
|
|
|
|
|
|
|
|
|
|
δ = 0.1 |
|
|
|
|
|
|
|
|
|
|
12 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
δ = 0.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
δ = 1 |
|
||
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
|
|
|
|
|
|
|
|
|
|
|
|
T |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
IF(av)(A) |
|
|
δ=tp/T |
|
tp |
|||
0 |
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
Fig. 2: Average forward current versus ambient temperature (δ = 0.5).
IF(av)(A) |
|
|
|
|
|
|
25 |
|
|
|
|
|
|
20 |
|
|
Rth(j-a)=Rth(j-c) |
|
|
|
|
|
|
|
|
|
|
15 |
|
|
|
|
|
|
10 |
|
|
|
|
|
|
|
|
Rth(j-a)=50°C/W |
|
|
|
|
5 |
T |
|
|
|
|
|
δ=tp/T |
tp |
|
Tamb(°C) |
|
|
|
|
|
|
|
|
||
0 |
|
|
|
|
|
|
0 |
25 |
50 |
75 |
100 |
125 |
150 |
2/6
Loading...