STPS4045CT [STMICROELECTRONICS]
Power Schottky rectifiers; 功率肖特基整流器
| 型号： | STPS4045CT |
| 厂家： | 
ST |
| 描述： | Power Schottky rectifiers |
| 文件： | 总8页 (文件大小：112K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STPS4045C
Power Schottky rectifiers
Features
A1
●
●
●
●
●
●
Very small conduction losses
K
Negligible switching losses
Extremely fast switching
Low thermal resistance
A2
Avalanche capability specified
®
ECOPACK 2 compliant component
(STPS4045CT)
A2
A2
K
K
A1
A1
Description
TO-247
TO-220AB
STPS4045CT
STPS4045CW
This dual center tap Schottky rectifier is suited for
switchmode power supply and high frequency DC
to DC converters.
Packaged in TO-247 or TO-220AB this device is
intended for use in low voltage, high frequency
inverters, free wheeling and polarity protection
applications.
Table 1.
Device summary
Symbol
Value
IF(AV)
VRRM
Tj (max)
VF (max)
2 x 20 A
45 V
175 °C
0.63 V
November 2009
Doc ID 4605 Rev 5
1/8
www.st.com
8
Characteristics
STPS4045C
1
Characteristics
Table 2.
Symbol
Absolute ratings (limiting values, per diode)
Parameter
Value
Unit
VRRM Repetitive peak reverse voltage
45
30
20
40
20
40
220
1
V
A
IF(RMS) Forward rms current
IF(AV) Average forward current
TC = 150 °C, δ = 0.5
TC = 145 °C, δ = 0.5
Per diode
Per device
Per diode
Per device
TO-247
A
A
TC = 145 °C, δ = 0.5
TC = 130 °C, δ = 0.5
tp = 10 ms sinusoidal
TO-220AB
IFSM
IRRM
IRSM
Surge non repetitive forward current
Repetitive peak reverse current
Non repetitive peak reverse current
A
A
tp = 2 µs square F=1 kHz
tp = 100 µs square
3
A
tp = 1 µs Tj = 25 °C
PARM Repetitive peak avalanche power
6000
W
Tstg
Tj
Storage temperature range
-65 to + 175
175
°C
°C
Maximum operating junction temperature(1)
dV/dt Critical rate of rise reverse voltage
10000
V/µs
1
dPtot
dTj
<
1.
condition to avoid thermal runaway for a diode on its own heatsink
Rth(j-a)
Table 3.
Symbol
Thermal resistances
Parameter
Value
Unit
Per diode
Total
1.5
0.8
TO-247
Rth (j-c) Junction to case
Per diode
Total
1.8
1.3
TO-220AB
°C/W
TO-247
0.1
0.8
Rth (c) Coupling
TO-220AB
When the diodes 1 and 2 are used simultaneously :
ΔT (diode 1) = P(diode1) x R (Per diode) + P(diode 2) x R
j
th(j-c)
th(c)
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Doc ID 4605 Rev 5
STPS4045C
Characteristics
Table 4.
Symbol
Static electrical characteristics (per diode)
Parameter Tests conditions
Min.
Typ.
Max.
200
40
Unit
Tj = 25 °C
-
-
-
-
11
-
µA
(1)
IR
Reverse leakage current
VR = VRRM
IF = 20 A
IF = 40 A
Tj = 125 °C
mA
0.76
Tj = 25 °C
Tj = 125 °C
Tj = 25 °C
Tj = 125 °C
-
-
-
0.56
-
0.63
0.94
0.83
(1)
VF
Forward voltage drop
V
0.7
1. Pulse test : tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation :
2
P = 0.43x I
+ 0.01x I
F(AV)
F (RMS)
Figure 1.
Average forward power dissipation Figure 2.
versus average forward current
(per diode)
Average forward current versus
ambient temperature
(δ = 0.5 per diode)
I (av)(A)
P (av)(W)
F
F
18
16
14
12
10
8
24
22
20
18
16
14
12
10
8
δ=0.5
δ=1
Rth(j-a)=Rth(j-c)
δ=0.2
δ=0.1
TO -247
δ=0.05
TO-220AB
6
6
T
T
4
4
2
T
(°C)
2
amb
tp
I (av) (A)
F
=tp/T
tp
=tp/T
δ
δ
0
0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
0
25
50
75
100
125
150
175
Figure 3.
Normalized avalanche power
derating versus pulse duration
Figure 4.
Normalized avalanche power
derating versus junction
temperature
P
ARM
(T )
j
ARM
(25 °C)
P
(t )
p
ARM
P
P
ARM
(1 µs)
1.2
1
1
0.8
0.6
0.4
0.2
0.1
0.01
T (°C)
j
t (µs)
p
0.001
0
25
50
75
100
125
150
0.01
0.1
1
10
100
1000
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Characteristics
STPS4045C
Figure 5.
Non repetitive surge peak forward Figure 6.
current versus overload duration
(maximum values, per diode)
Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
I
(A)
I
(A)
M
M
200
180
160
140
120
100
80
220
200
180
160
140
120
100
80
TO-220AB
TO-247
TC=25°C
TC=75°C
TC=25°C
TC=75°C
TC=125°C
TC=125°C
60
60
40
IM
40
IM
20
t
t
20
t(s)
t(s)
δ =0.5
δ =0.5
0
0
1.E-03
1.E-02
1.E-01
1.E+00
1.E-03
1.E-02
1.E-01
1.E+00
Figure 7.
Relative variation of thermal
impedance junction to case versus
pulse duration
Figure 8.
Reverse leakage current versus
reverse voltage applied
(typical values, per diode)
I (µA)
Zth(j-c)/Rth(j-c)
R
1.E+05
1.E+04
1.E+03
1.E+02
1.E+01
1.E+00
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
Tj=150°C
Tj=125°C
Tj=100°C
Tj=75°C
Tj=50°C
Tj=25°C
Single pulse
tp(s)
V (V)
R
1.E-04
1.E-03
1.E-02
1.E-01
1.E+00
0
5
10
15
20
25
30
35
40
45
Figure 9.
Junction capacitance versus
reverse voltage applied
Figure 10. Forward voltage drop versus
forward current (per diode)
(typical values, per diode)
I
(A)
C(pF)
FM
10000
100
90
80
70
60
50
40
30
20
10
0
F=1MHz
VOSC=30mVRMS
Tj=25°C
Tj=125°C
(Maximum values)
1000
Tj=25°C
(Maximum values)
Tj=125°C
(Typical values)
V
(V)
V (V)
R
FM
100
1
10
100
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
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Doc ID 4605 Rev 5
STPS4045C
Package information
2
Package information
●
●
●
●
Epoxy meets UL94,V0
Cooling method: by conduction (C)
Recommended torque values: TO-220AB 0.4 to 0.6 N·m, TO-247 0.55 N·m
Maximum torque value: TO-247 1.0 N·m
In order to meet environmental requirements, ST offers these devices in different grades of
®
®
ECOPACK packages, depending on their level of environmental compliance. ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
®
ECOPACK is an ST trademark.
Table 5.
TO-220AB dimensions
Dimensions
Millimeters
Ref.
Inches
Min. Max.
Min.
Max.
A
C
4.40
1.23
2.40
0.49
0.61
1.14
1.14
4.95
2.40
10
4.60
1.32
2.72
0.70
0.88
1.70
1.70
5.15
2.70
10.40
0.173
0.048
0.094
0.019
0.024
0.044
0.044
0.194
0.094
0.393
0.181
0.051
0.107
0.027
0.034
0.066
0.066
0.202
0.106
0.409
A
H2
D
Dia
C
E
L5
L7
F
F1
F2
G
L6
L2
F2
F1
D
L9
G1
H2
L2
L4
L5
L6
L7
L9
M
L4
16.4 typ.
0.645 typ.
F
M
13
14
0.511
0.104
0.600
0.244
0.137
0.551
0.116
0.620
0.259
0.154
G1
E
2.65
15.25
6.20
3.50
2.95
15.75
6.60
3.93
G
2.6 typ.
0.102 typ.
Diam.
3.75
3.85
0.147
0.151
Doc ID 4605 Rev 5
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Package information
Table 6.
STPS4045C
Inches
TO-247 dimensions
Dimensions
Millimeters
Ref.
Min. Typ. Max. Min. Typ. Max.
A
D
4.85
2.20
0.40
1.00
5.16 0.191
2.60 0.086
0.80 0.015
1.40 0.039
0.203
0.102
0.031
0.055
V
E
F
V
Dia
F1
F2
F3
F4
G
3.00
2.00
0.118
0.079
A
H
1.90
3.00
2.40 0.075
3.40 0.118
0.094
0.134
L5
L
10.90
0.429
H
15.45
19.85
3.70
16.03 0.608
21.09 0.781
4.30 0.146
19.13 0.720
20.30 0.559
41.38 1.341
6.30 0.211
3.00 0.079
0.631
0.830
0.169
0.753
0.799
1.629
0.248
0.118
L2
L4
L
F2
F3
L1
F1
V2
L1
L3
D
F4
L2 18.30
L3 14.20
F(x3)
M
E
L4
L5
M
34.05
5.35
2.00
G
V
5°
5°
V2
60°
60°
Dia. 3.55
3.65 0.140
0.144
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STPS4045C
Ordering information
3
Ordering information
Table 7.
Order code
STPS4045CW
STPS4045CT
Ordering information
Marking
Package
Weight
Base qty.
Delivery mode
STPS4045CW
STPS4045CT
TO-247
4.46 g
1.9 g
30
50
Tube
Tube
TO-220AB
4
Revision history
Table 8.
Date
Document revision history
Revision
Changes
July-2003
4C
5
Previous issue.
09-Nov-2009
Added TO-220AB package. Removed SOT-93 package.
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STPS4045C
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