STPS20M60C
Power Schottky rectifier
Features
■
■
■
■
High current capability
Avalanche rated
Low forward voltage drop
High frequency operation
Description
The STPS20M60C is a dual diode Schottky rectifier, suited for high frequency switch mode power supply.
Packaged in TO-220AB, I
2
PAK and D
2
PAK, this device is intended to be used in notebook, game station and desktop adapters, providing in these aplications a good efficiency at both low and high load.
Table 1.
Device summary
Symbol
I
F(AV)
V
RRM
V
F
(typ)
T j
(max)
Value
2 x 10 A
60 V
0.370 V
150 °C
K
A2
K
A1
I
2
PAK
STPS20M60CR
K
A1
A2
K
K
A2
A1
D
2
PAK
STPS20M60CG-TR
A2
K
A1
TO-220AB
STPS20M60CT
Figure 1.
Electrical characteristics
(a)
I
V
I
"Forward"
X 2 x I
O
I
F
I
O X
V
AR
V
RRM
V
R
V
I
R
"Reverse"
I
AR
October 2011 a.
V
ARM
and I
ARM
must respect the reverse safe operating area defined in
Figure 12
. V
AR
and I
AR
are pulse measurements (t p
< 1 µs). V
R
, I
R
, V
RRM
and V
F
, are static characteristics
Doc ID 022057 Rev 1 1/10 www.st.com
10
Characteristics
1 Characteristics
STPS20M60C
Table 2.
Symbol
Absolute ratings (limiting values, per diode, at T amb
= 25 °C unless otherwise specified)
Parameter Value Unit
V
RRM
I
F(RMS)
Repetitive peak reverse voltage
Forward rms current
P
I
F(AV)
I
FSM
ARM
(1)
V
ARM
(2)
Average forward current, δ = 0.5
Surge non repetitive forward current
Repetitive peak avalanche power
Maximum repetitive peak avalanche voltage t p
< 1 µs, T j
T c
= 140 °C
T c
= 135 °C t p
T j
= 10 ms sinusoidal
= 25 °C, t p
Per diode
Per device
= 1 µs
< 150 °C, I
AR
< 51 A
60
40
10
20
300
13600
80
A
W
V
A
A
V
V
ASM
(2)
Maximum single-pulse peak avalanche voltage t p
< 1 µs, T j
< 150 °C, I
AR
< 51 A 80 V
T stg
T j
Storage temperature range
Maximum operating junction temperature
(3)
-65 to +175 °C
150 °C
1.
For temperature or pulse time duration deratings, please refer to
Figure 4 and 5
. More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025.
2.
See
Figure 12
3.
dPtot dTj
<
1
Rth(j-a)
condition to avoid thermal runaway for a diode on its own heatsink
Table 3.
Thermal parameters
Symbol Parameter Value Unit
R th(j-c)
Junction to case per diode total
R th(c)
Coupling
When the two diodes 1 and 2 are used simultaneously:
Δ T j
(diode 1) = P(diode 1) x R th(j-c)
(Per diode) + P(diode 2) x R th(c)
1.5
0.85
0.2
°C/W
°C/W
Obsolete Product(s) - Obsolete Product(s)
2/10 Doc ID 022057 Rev 1
STPS20M60C Characteristics
Table 4.
Symbol
Static electrical characteristics (per diode)
Parameter Test conditions Min.
I
R
(1)
V
F
(2)
Reverse leakage current
Forward voltage drop
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
T j
= 25 °C
T j
= 125 °C
V
R
= V
RRM
I
F
= 5 A
I
F
= 10 A
1.
Pulse test: t p
= 5 ms,
δ
< 2 %
2.
Pulse test: t p
= 380 µs,
δ
< 2 %
To evaluate the conduction losses use the following equation:
P = 0.375 x I
F(AV)
+ 0.0135 x I
F
2
(RMS)
-
-
-
-
-
-
Typ.
15
10
0.465
0.370
0.525
0.450
Max.
65
40
0.500
0.410
0.570
0.510
Unit
µA mA
V
4
3
2
1
Figure 2.
Average forward power dissipation versus average forward current
(per diode)
Figure 3.
Average forward current versus ambient temperature
(
δ
= 0.5, per diode)
8
P
F(AV)
(W)
12
I
F(AV)
(A)
7
δ = 0.05
δ = 0.1
δ
= 0.2
δ = 0.5
δ = 1
Rth(j-a) = Rth(j-c)
10
6
8
5
6
T
4
2
0
0 1 2 3 4 5 6
δ = t / T
7 8 t p
I
F(AV)
(A)
9 10 11 12 13
0
0 25 50
T amb
(°C)
75 100 125 150
Figure 4.
Normalized avalanche power derating versus pulse duration
1
P
ARM
(tp)
P
ARM
(1µs)
Figure 5.
Normalized avalanche power derating versus junction temperature
1.2
P
ARM
(T )
P
ARM
(25 °C)
1
0.1
0.8
Obsolete Product(s) - Obsolete Product(s)
0.6
0.4
0.01
0.2
0.001
0.01
0
25 0.1
1 10 100 1000 50 75 100 125 150
Doc ID 022057 Rev 1 3/10
Characteristics STPS20M60C
Figure 6.
200
180
160
140
120
100
80
60
40
I
M
20
0
1.E-03 t
δ = 0.5
Non repetitive surge peak forward current versus overload duration
(maximum values, per diode)
1.E-02 1.E-01 t(s)
1.E+00
Figure 7.
Relative thermal impedance junction to case versus pulse duration
1.0
Z th(j-c)
/R th(j-c)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Single pulse
0.0
1.E-04 1.E-03 1.E-02 1.E-01 1.E+00
Figure 8.
Reverse leakage current versus reverse voltage applied
(typical values, per diode)
1.E+02
Figure 9.
Junction capacitance versus reverse voltage applied
10000
C(pF)
(typical values, per diode)
F = 1 MHz
V osc
= 30 mV
RMS
1.E+01
1.E+00
1.E-01
1.E-02
1000
1.E-03
0 10 20 30 40 50 60
100
1 10
Figure 10.
Forward voltage drop versus forward current (per diode)
Figure 11.
Thermal resistance junction to ambient versus copper surface under tab
100.0
I
FM
(A)
80
R th(j-a)
(°C/W) epoxy printed board copper thickness = 35 µm
70
(Maximum values)
60 2
D PAK
10.0
(Typical values) 50 Obsolete Product(s) - Obsolete Product(s)
(Maximum values)
40
30
1.0
20
0.1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
FM
(V)
1.4
10
0
0 5 10 15 20 25 30
2
S (cm )
35 40
100
4/10 Doc ID 022057 Rev 1
STPS20M60C
Figure 12.
Reverse safe operating area (t p
< 1 µs, T j
< 150 °C)
I arm
(A)
55.0
I arm
(V arm
) 150 °C, 1µs
50.0
45.0
m
40.0
35.0
30.0
80 85 90 95 100 105 110
V arm
(V)
115 120
Characteristics
Obsolete Product(s) - Obsolete Product(s)
Doc ID 022057 Rev 1 5/10
Package information STPS20M60C
●
●
●
Epoxy meets UL94, V0
Cooling method: by conduction (C)
Recommended torque value: 0.4 to 0.6 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
Ref.
Dimensions
Millimeters Inches
Min.
Max.
Min.
Max.
L2
F2
F1
F
G1
H2
Dia
G
L5
L9
L6
L4
C
D
M
A
E
L7
L2
L4
L5
L6
L7
G
G1
H2
A
C
D
E
F
F1
F2
4.40
1.23
2.40
0.49
0.61
1.14
1.14
4.95
2.40
10
5.15
2.70
10.40
13
16.4 Typ.
14
2.65
2.95
15.25
6.20
15.75
6.60
4.60
1.32
2.72
0.70
0.88
1.70
1.70
L9 3.50
3.93
0.137
0.154
Obsolete Product(s) - Obsolete Product(s)
M 2.6 Typ.
0.102 Typ.
Dia.
3.75
3.85
0.147
0.151
0.173
0.048
0.094
0.019
0.024
0.044
0.044
0.194
0.094
0.393
0.202
0.106
0.409
0.645 Typ.
0.511
0.551
0.104
0.116
0.600
0.244
0.620
0.259
0.181
0.051
0.107
0.027
0.034
0.066
0.066
6/10 Doc ID 022057 Rev 1
STPS20M60C Package information
Table 6.
D
2
PAK dimensions
Ref.
L
L2
L3
E
G
B2
B
A1
C2
C
M
A2
*
A
R
V2
D
* FLAT ZONE NO LESS THAN 2mm
L2
L3
M
R
V2
B
B2
C
C2
D
E
G
L
A
A1
A2
Figure 13.
D
2
PAK footprint (dimensions in mm)
16.90
Dimensions
Millimeters Inches
Min.
Max.
4.40
2.49
0.03
0.70
1.14
0.45
1.23
8.95
10.00
4.88
15.00
1.27
1.40
2.40
1.40
1.75
3.20
0°
0.40 typ.
8°
4.60
2.69
0.23
0.93
1.70
0.60
1.36
9.35
10.40
5.28
15.85
Min.
Max.
0.173
0.098
0.001
0.027
0.045
0.017
0.048
0.352
0.393
0.192
0.590
0.050
0.055
0.094
0.055
0.069
0.126
0°
0.016 typ.
8°
0.181
0.106
0.009
0.037
0.067
0.024
0.054
0.368
0.409
0.208
0.624
10.30
3.70
1.30
5.08
Doc ID 022057 Rev 1 7/10
Package information
Table 7.
I
2
PAK dimensions
STPS20M60C
E c2
A
L2
L
L1 e e1 b b1
D
A1 c b1 c c2
D e
A
A1 b e1
E
L
L1
L2
Ref.
Dimensions
Millimeters Inches
Min.
4.40
2.40
0.61
1.14
0.49
1.23
8.95
2.40
4.95
10
13
3.50
1.27
Max.
4.60
2.72
0.88
1.70
0.70
1.32
9.35
2.70
5.15
10.40
14
3.93
1.40
Min.
0.173
0.094
0.024
0.044
0.019
0.048
0.352
0.094
0.195
0.394
0.512
0.138
0.050
Max.
0.181
0.107
0.035
0.067
0.028
0.052
0.368
0.106
0.203
0.409
0.551
0.155
0.055
Obsolete Product(s) - Obsolete Product(s)
8/10 Doc ID 022057 Rev 1
STPS20M60C Ordering information
Table 8.
Ordering information
Order code Marking
STPS20M60CT
STPS20M60CR
STPS20M60CG-TR
STPS20M60CT
STPS20M60CR
STPS20M60CG
Package
TO-220AB
I
2
PAK
D
2
PAK
Weight Base qty Delivery mode
2.2 g
1.49 g
1.48 g
50
50
1000
Tube
Tube
Tape and reel
Table 9.
Date
Revision history
Revision
14-Oct-2011 1 Initial release.
Changes
Obsolete Product(s) - Obsolete Product(s)
Doc ID 022057 Rev 1 9/10
STPS20M60C
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10/10 Doc ID 022057 Rev 1
