FERD20U60 Field effect rectifier Description −

FERD20U60 Field effect rectifier Description −
FERD20U60
Field effect rectifier
Datasheet − production data
Description
A
This single rectifier is based on a proprietary
technology, enabling to achieve the best in class
VF/IR trade-off for a given silicon surface.
A
K
A
Packaged in PowerFLAT™ 5x6, this device is
intended to be used in rectification and
freewheeling operations in switch-mode power
supplies.
A
K
K
Table 1. Device summary
A
A
PowerFLAT 5x6
FERD20U60DJF
Symbol
Value
IF(AV)
20 A
VRRM
60 V
Tj (max)
+150 °C
VF(typ)
350 mV
Features
• ST proprietary process
• Stable leakage current over reverse voltage
• Low forward voltage drop
• High frequency operation
TM: PowerFLAT is a trademark of STMicroelectronics
June 2014
This is information on a product in full production.
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Characteristics
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FERD20U60
Characteristics
Table 2. Absolute ratings (limiting values, at 25 °C, unless otherwise specified anode terminals
short-circuited)
Symbol
Parameter
Value
Unit
VRRM
Repetitive peak reverse voltage
60
V
IF(RMS)
Forward rms current
45
A
IF(AV)
Average forward current, δ = 0.5
Tc = 115 °C
20
A
IFSM
Surge non repetitive forward current
tp = 10 ms sinusoidal
180
A
Tstg
Storage temperature range
-65 to + 175
°C
T (1)
Maximum operating junction temperature
150
°C
j
1
dPtot <
condition to avoid thermal runaway for a diode on its own heatsink
Rth(j-a)
dTj
1.
Table 3. Thermal resistance
Symbol
Rth(j-c)
Parameter
Value (max)
Unit
2.6
°C/W
Junction to case
Table 4. Static electrical characteristics (anode terminals short-circuited)
Symbol
IR(1)
Parameter
Reverse leakage current
Test conditions
Tj = 25 °C
Tj = 125 °C
Tj = 25 °C
VF(2)
Forward voltage drop
Tj = 125 °C
Tj = 25 °C
Tj = 125 °C
Min.
VR = VRRM
IF = 10 A
Max.
Unit
800
µA
30
70
mA
0.380
0.425
0.350
0.400
0.465
0.510
0.465
0.505
V
IF = 20 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 = 0.295 x IF(AV) + 0.0105 IF2(RMS)
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Typ.
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FERD20U60
Characteristics
Figure 1. Average forward power dissipation
versus average forward current
PF(AV)(W)
16
14
Figure 2. Average forward current versus
ambient temperature (δ = 0.5)
IF(AV)(A)
35
d = 0.05
d = 0.2
d = 0.1
d = 0.5
R th(j-a) = R th(j- c)
30
d=1
12
25
10
20
8
15
6
T
T
10
4
2
5
IF(AV)(A)
0
0
2
4
6
8
10
12
d=tp/T
14
16
18
20
tp
22
24
26
Figure 3. Relative variation of thermal
impedance junction to case versus pulse
duration
1.0
d=tp/T
Tamb(°C)
tp
0
Zth(j-c)/Rth(j-c)
0
25
50
75
100
125
150
Figure 4. Reverse leakage current versus
reverse voltage applied (typical values)
IR(mA)
1.E+02
0.9
Tj = 125 °C
0.8
1.E+01
0.7
Tj = 100 °C
Tj = 75 °C
0.6
0.5
1.E+00
Tj = 50 °C
0.4
0.3
0.2
Single pulse
0.1
t p (s)
0.0
1.E-04
1.E-03
Tj = 25 °C
1.E-01
1.E-02
1.E-01
V R (V)
1.E-02
0
1.E+00
Figure 5. Junction capacitance versus reverse
voltage applied (typical values)
C(pF)
10
15
20
25
30
35
40
45
50
55
60
Figure 6. Forward voltage drop versus forward
current (typical values)
100.0
10000
5
IF ( A )
F = 1 MHz
Vosc = 30 mVRMS
Tj = 25 °C
10.0
Tj = 75 °C
1000
Tj = 125 °C
1.0
Tj = 25 °C
VR (V)
1
10
V F (V)
0.1
100
100
0.00
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0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
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Characteristics
FERD20U60
Figure 7. Thermal resistance junction to ambient versus copper surface under tab
(typical values)
R th( j - a)(°C/W)
150
Epoxy printed board Fr4, copper thickness = 35 µm
125
100
75
50
25
SCu (cm²)
0
0
4/8
1
2
3
4
5
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FERD20U60
2
Package information
Package information
•
Epoxy meets UL94, V0
•
Cooling method: by conduction (C)
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.
Figure 8. PowerFLAT-8L dimensions (definitions)
D2
E2
K
b
e
L
A
A1
D
A2
E
Table 5. PowerFLAT-8L dimensions (values)
Dimensions
Ref.
Millimeters
Min.
Typ.
Inches
Max.
Min.
Typ.
Max.
A
0.80
1.00
0.031
0.039
A1
0.02
0.05
0.001
0.002
A2
b
0.25
0.30
D
D2
0.010
0.50
0.012
5.20
4.11
0.020
0.205
4.31
0.162
0.170
e
1.27
0.050
E
6.15
0.242
E2
3.50
3.70
0.138
0.146
L
0.50
0.80
0.020
0.031
K
1.275
1.575
0.050
0.062
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Package information
FERD20U60
Figure 9. Footprint (dimensions in mm)
3.86
4.33
6.29
5.35
4.41
0.98
0.95
0.62
1.27
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Ordering information
Ordering information
Table 6. Ordering information
4
Order code
Marking
Package
Weight
Base qty
Delivery mode
FERD20U60DJF-TR
FD20U60
PowerFLAT 5x6
95 mg
3000
Tape and reel
Revision history
Table 7. Document revision history
Date
Revision
Changes
25-Mar-2014
1
Initial release.
06-Jun-2014
2
Updated device name.
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FERD20U60
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