Transcript
STPS4045CP/CW
POWER SCHOTTKY RECTIFIERS MAIN PRODUCTS CHARACTERISTICS IF(av)
2 x 20 A
VRRM
45 V
Tj (max) VF (max)
175 °C 0.63 V
A1 K A2
FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES EXTREMELY FAST SWITCHING LOW THERMAL RESISTANCE
A2
A2 A1
K
K A1
DESCRIPTION SOT-93 STPS4045CP
Dual center tap Schottky rectifier suited for switchmode power supply and high frequency DC to DC converters. Packaged either in SOT-93 or TO-247 this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications.
TO-247 STPS4045CW
ABSOLUTE RATINGS (limiting values, per diode) Symbol VRRM IF(RMS)
Parameter Repetitive peak reverse voltage RMS forward current
IF(AV)
Average forward current
Tc = 150°C δ = 0.5
IFSM IRRM
Surge non repetitive forward current Repetitive Peak reverse current
tp = 10 ms sinusoidal tp = 2 µs square F = 1kHz
IRSM
Non repetitive peak reverse current
tp = 100 µs square
Tstg
Storage temperature range Maximum operating junction temperature *
Tj dV/dt * :
Per diode Per device
Critical rate of rise of reverse voltage
Value 45
Unit V
30
A
20 40
A
220
A
1
A
3
A
- 65 to + 175
°C
175 10000
°C V/µs
1 dPtot thermal runaway condition for a diode on its own heatsink < Rth(j−a) dTj
June 1999 - Ed: 3B
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STPS4045CP/CW THERMAL RESISTANCES Symbol Rth (j-c) Junction to case
Parameter
Rth (c)
Per diode total
Value 1.5 0.8
Coupling
0.1
Unit °C/W
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 IR *
VF *
Parameter
Tests Conditions
Min.
Typ.
Max.
Unit
200
µA
11
40
mA
0.56
0.63
V
VR = VRRM
Reverse leakage current
Tj = 25°C
Forward voltage drop
Tj = 125°C
IF = 20 A
Tj = 25°C
IF = 40 A
Tj = 125°C
IF = 40 A
Tj = 125°C
0.94 0.7
0.83
Pulse test : * tp = 380 µs, δ < 2% To evaluate the conduction losses use the following equation : P = 0.46 x IF(AV) + 0.0085 IF2(RMS)
Fig. 1: Average forward power dissipation versus average forward current (per diode).
Fig. 2: Average current versus ambient temperature (per diode).
PF(av)(W) 18 16 14 12 10 8 6 4 2 0
IF(av)(A) δ = 0.2
δ = 0.5
δ = 0.1 δ = 0.05
δ= 1
T
IF(av) (A) 0
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2
4
6
8
δ=tp/T
tp
10 12 14 16 18 20 22 24 26
22 20 18 16 14 12 10 8 6 4 2 0
Rth(j-a)=Rth(j-c)
Rth(j-a)=15°C/W
T
δ=tp/T
0
25
Tamb(°C)
tp
50
75
100
125
150
175
STPS4045CP/CW Fig. 3: Nonrepetitivesurgepeakforwardcurrentversus overloadduration(maximum values)(per diode).
Fig. 4: Relative variation of thermal transient impedancejunction to case versus pulse duration.
Zth(j-c)/Rth(j-c)
IM(A) 200 180 160 140 120 100 80 60 IM 40 20 0 1E-3
1.0 0.8 δ = 0.5
0.6
Tc=75°C Tc=100°C
0.4
Tc=125°C
T
δ = 0.2
0.2
δ = 0.1
t
δ=0.5
1E-2
1E-1
1E+0
Fig. 5: Reverse leakage current versus reverse voltage applied (typical values) (per diode).
δ=tp/T
tp(s)
Single pulse
t(s)
0.0 1E-4
1E-3
1E-2
1E-1
tp
1E+0
Fig. 6: Junction capacitance versus reverse voltage applied (typical values) (per diode).
IR(µA)
C(nF)
5E+4
5.0 Tj=150°C
1E+4
Tj=125°C Tj=100°C
1E+3
1.0
Tj=75°C
1E+2
Tj=50°C
1E+1 1E+0
Tj=25°C
VR(V)
VR(V) 0
5
10
15
20
25
0.1
30
35
40
45
1
2
5
10
20
50
Fig. 7: Forward voltage drop versus forward current (maximum values) (per diode).
IFM(A) 200 100
Typical values Tj=125°C Tj=25°C
Tj=125°C
10
VFM(V) 1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
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STPS4045CP/CW PACKAGE MECHANICAL DATA SOT-93 DIMENSIONS REF. A C D D1 E F F3 F4 G H L L2 L3 L5 L6 O
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Millimeters Min. Typ. Max. 4.70 4.90 1.90 2.10 2.50 2.00 0.50 0.78 1.10 1.30 1.75 2.10 10.80 11.10 14.70 15.20 12.20 16.20 18.0 3.95 4.15 31.00 4.00 4.10
Inches Min. Typ. Max. 1.185 0.193 0.075 0.083 0.098 0.078 0.020 0.031 0.043 0.051 0.069 0.083 0.425 0.437 0.279 0.598 0.480 0.638 0.709 0.156 0.163 1.220 0.157 0.161
STPS4045CP/CW PACKAGE MECHANICAL DATA TO-247 DIMENSIONS REF.
V
A
H
L5
L L2 L4 F2
F1
L1
F3 V2
F4
D
L3
F(x3) M
G =
Inches
Min. Typ. Max. Min. A 4.85 5.15 0.191 D 2.20 2.60 0.086 E 0.40 0.80 0.015 F 1.00 1.40 0.039 F1 3.00 F2 2.00 F3 2.00 2.40 0.078 F4 3.00 3.40 0.118 G 10.90 H 15.45 15.75 0.608 L 19.85 20.15 0.781 L1 3.70 4.30 0.145 L2 18.50 L3 14.20 14.80 0.559 L4 34.60 L5 5.50 M 2.00 3.00 0.078 V 5° V2 60° Dia. 3.55 3.65 0.139
Dia.
V
Millimeters
Typ. Max. 0.203 0.102 0.031 0.055 0.118 0.078 0.094 0.133 0.429 0.620 0.793 0.169 0.728 0.582 1.362 0.216 0.118 5° 60° 0.143
E
=
Type
Marking
Package
Weight
Base qty
Delivery mode
STPS4045CP
STPS4045CP
SOT-93
3.97 g.
30
Tube
STPS4045CW
STPS4045CW
TO-247
4.46 g.
30
Tube
Cooling method: by conduction (C) Recommended torque value: 0.8 N.m Maximum torque value: 1.0 N.m. Epoxy meets UL94,V0
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