STMICROELECTRONICS STTH20L03CT

STTH20L03C
High frequency secondary rectifier
Datasheet − production data
Features
■
Ultrafast, soft and noise-free recovery
■
Low forward voltage drop
A1
K
A2
Description
Dual center tap fast recovery epitaxial diodes
suited for switch mode power supply and high
frequency DC/DC converters.
K
Packaged in TO-220AB or D2PAK, this device is
especially intended for secondary rectification
inside SMPS with high space and power-density.
K
A1
TO-220AB
STTH20L03CT
Table 1.
June 2012
This is information on a product in full production.
Doc ID 023115 Rev 1
A2
A2
A1
D2PAK
STTH20L03CG
Device summary
Symbol
Value
IF(AV)
2 x 10 A
VRRM
300 V
Tj
-40 to +175 °C
VF(max)
0.95 V
trr (typ)
26 ns
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9
Characteristics
STTH20L03C
1
Characteristics
Table 2.
Absolute ratings (limiting values, per diode, at 25 °C, unless otherwise specified)
Symbol
Parameter
Value
Unit
VRRM
Repetitive peak reverse voltage
300
V
IF(RMS)
Forward rms current
30
A
10
20
A
150
A
Tc = 155 °C
Per diode
Per device
IF(AV)
Average forward current, δ = 0.5
IFSM
Surge non repetitive forward current
Tstg
Storage temperature range
-65 to + 175
°C
Operating junction temperature range
-40 to +175
°C
Value (max)
Unit
Tj
Table 3.
Tc = 150 °C
tp = 10 ms sinusoidal
Thermal resistance
Symbol
Parameter
Rth(j-c)
Junction to case
Rth(c)
Coupling
Per diode
1.5
Total
1.0
°C/W
0.5
When diodes 1 and 2 are used simultaneously:
Tj(diode 1) = P(diode 1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
Table 4.
Symbol
Static electrical characteristics (per diode)
Parameter
IR(1)
Reverse leakage current
VF(2)
Forward voltage drop
Test conditions
Tj = 25 °C
Tj = 125 °C
Tj = 25 °C
Tj = 125 °C
Typ.
Max.
Unit
10
VR = VRRM
IF = 10 A
1. Pulse test: tp = 5 ms, δ < 2%
2. Pulse test: tp = 380 µs, δ < 2%
To evaluate the conduction losses use the following equation:
P = 0.8 x IF(AV) + 0.015 IF2(RMS))
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Min.
Doc ID 023115 Rev 1
µA
10
100
0.95
1.2
0.8
0.95
V
STTH20L03C
Table 5.
Characteristics
Dynamic electrical characteristics (per diode)
Symbol
trr
Parameter
Test conditions
QRR
Softness factor
Reverse recovery charges
VFP
Forward recovery voltage
Figure 1.
Tj = 125 °C
IF = 10 A, VR = 200 V
dIF/dt = -200 A/µs
55
72
IF = 10 A, VR = 200 V
dIF/dt = -200 A/µs
9
12
A
Tj = 125 °C
375
nC
200
ns
3.5
V
Tj = 125 °C
100.0
δ = 0.05
δ = 0.1
δ = 0.5
δ = 0.2
0.3
250
IF = 10 A, VFR = 1.05 V
dIF/dt = 100 A/µs
Tj = 25 °C
Conduction losses versus average Figure 2.
forward current (per diode)
14
ns
IF = 10 A, VR = 200 V
dIF/dt = -200 A/µs
PF(AV)(W)
16
35
Unit
26
Forward recovery time
tfr
Max.
IF = 1 A, VR= 30 V
dIF/dt = -100 A/µs
Reverse recovery current
Sfactor
Typ.
Tj = 25 °C
Reverse recovery time
IRM
Min.
2.5
Forward voltage drop versus
forward current (per diode)
IFM(A)
δ = 1.0
Tj=125 °C
(Maximum values)
12
10.0
Tj=25 °C
(Maximum values)
Tj=125 °C
(Typical values)
10
8
6
1.0
T
4
2
δ=tp/T
IF(AV)(A)
0
0
2
Figure 3.
1.0
4
6
8
10
VFM(V)
tp
0.1
12
14
0.0
0.2
Relative variation of thermal
Figure 4.
impedance junction to case versus
pulse duration
Zth(j-c)/Rth(j-c)
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
Peak reverse recovery current
versus dIF/dt (typical values, per
diode)
IRM(A)
18
0.9
IF=I F(AV)
VR=200 V
Tj=125 °C
16
0.8
14
0.7
12
0.6
10
0.5
8
0.4
0.3
6
Single pulse
4
0.2
0.1
0.0
1.E-04
tp(s)
2
dIF/dt(A/µs)
0
1.E-03
1.E-02
1.E-01
1.E+00
0
50
Doc ID 023115 Rev 1
100
150
200
250
300
350
400
450
500
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Characteristics
Figure 5.
STTH20L03C
Reverse recovery time versus dIF/dt Figure 6.
(typical values, per diode)
trr(ns)
100
400
IF=I F(AV)
VR=200 V
Tj=125 °C
90
80
Reverse recovery charge versus
dIF/dt (typical values, per diode)
Q RR(nC)
IF=I F(AV)
VR=200 V
Tj=125 °C
350
300
70
250
60
50
200
40
150
30
100
20
dIF/dt(A/µs)
50
10
dIF/dt(A/µs)
0
0
0
50
100
Figure 7.
150
200
250
300
350
400
450
Reverse recovery softness factor
versus dIF/dt (typical values, per
diode)
SFACTOR
0.8
50
Figure 8.
100
150
200
250
300
350
400
450
500
Relative variation of dynamic
parameters versus junction
temperature
2.0
IF=I F(AV)
VR=200 V
Tj=125 °C
0.7
0
500
1.8
IF=I F(AV)
VR=200 V
Reference: T j=125 °C
SFACTOR
1.6
0.6
1.4
0.5
1.2
0.4
1.0
0.8
0.3
IRM
0.6
0.2
0.4
dIF/dt(A/µs)
0.1
0.2
QRR
Tj(°C)
0.0
0.0
0
50
Figure 9.
100
150
200
250
300
350
400
450
500
Transient peak forward voltage
versus dIF/dt (typical values, per
diode)
VFP(V)
IF=I F(AV)
Tj=125 °C
50
75
100
125
Figure 10. Forward recovery time versus dIF/dt
(typical values, per diode)
180
14
12
25
tFR(ns)
IF=I F(AV)
VFR=1.05 V
Tj=125 °C
160
140
10
120
100
8
80
6
60
4
40
2
20
dIF/dt(A/µs)
0
4/9
dIF/dt(A/µs)
0
0
50
100
150
200
250
300
350
400
450
500
0
Doc ID 023115 Rev 1
50
100
150
200
250
300
350
400
450
500
STTH20L03C
Characteristics
Figure 11. Junction capacitance versus
reverse voltage applied (typical
values, per diode)
1000
Figure 12. Thermal resistance, junction to
ambient, versus copper surface
under tab (D2PAK)
Rth(j-a) (°C/W)
C(pF)
80
F=1 MHz
VOSC=30 mVRMS
Tj=25 °C
Printed circuit board FR4,
copper thickness: 35 µm
70
D²PAK
60
50
100
40
30
20
10
VR(V)
10
SCu(cm²)
0
1
10
100
1000
0
Doc ID 023115 Rev 1
5
10
15
20
25
30
35
40
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Package information
2
STTH20L03C
Package information
●
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 6.
D2PAK dimensions
Dimensions
Ref.
A
E
C2
L2
D
Millimeters
Inches
Min.
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
A1
2.49
2.69
0.098
0.106
A2
0.03
0.23
0.001
0.009
B
0.70
0.93
0.027
0.037
B2
1.14
1.70
0.045
0.067
C
0.45
0.60
0.017
0.024
C2
1.23
1.36
0.048
0.054
D
8.95
9.35
0.352
0.368
E
10.00
10.40
0.393
0.409
G
4.88
5.28
0.192
0.208
L
15.00
15.85
0.590
0.624
L2
1.27
1.40
0.050
0.055
L3
1.40
1.75
0.055
0.069
M
2.40
3.20
0.094
0.126
L
L3
A1
B2
R
C
B
G
A2
M
*
V2
* FLAT ZONE NO LESS THAN 2mm
R
V2
0.40 typ.
0°
8°
Figure 13. Footprint (dimensions in mm)
16.90
10.30
5.08
1.30
8.90
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Doc ID 023115 Rev 1
3.70
0.016 typ.
0°
8°
STTH20L03C
Package information
D
Table 7.
TO-220AB dimensions
Dimensions
Ref.
A
H2
Dia
C
L5
L7
Millimeters
Inches
Min.
Max.
Min.
Max.
A
4.40
4.60
0.173
0.181
C
1.23
1.32
0.048
0.051
D
2.40
2.72
0.094
0.107
E
0.49
0.70
0.019
0.027
F
0.61
0.88
0.024
0.034
F1
1.14
1.70
0.044
0.066
F2
1.14
1.70
0.044
0.066
G
4.95
5.15
0.194
0.202
G1
2.40
2.70
0.094
0.106
H2
10
10.40
0.393
0.409
L6
L2
F2
F1
D
L9
L4
F
L2
M
G1
E
G
0.645 typ.
L4
13
14
0.511
0.551
L5
2.65
2.95
0.104
0.116
L6
15.25
15.75
0.600
0.620
L7
6.20
6.60
0.244
0.259
L9
3.50
3.93
0.137
0.154
M
Diam.
Doc ID 023115 Rev 1
16.4 typ.
2.6 typ.
3.75
3.85
0.102 typ.
0.147
0.151
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Ordering information
3
Ordering information
Table 8.
4
Ordering information
Order code
Marking
Package
Weight
Base qty
Delivery mode
STTH20L03CT
STTH20L03CT
TO-220AB
1.9 g
50
Tube
STTH20L03CG-TR
STTH20L03CG
D2PAK
1.48 g
1000
Tape and reel
Revision history
Table 9.
8/9
STTH20L03C
Document revision history
Date
Revision
22-Jun-2012
1
Changes
Initial release.
Doc ID 023115 Rev 1
STTH20L03C
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