STPS20L15TS [INFINEON]
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Infineon 
Bulletin PD-20627 rev. C 06/06
STPS20L15D
STPS20L15G
SCHOTTKY RECTIFIER
20 Amps
IF(AV) = 20Amp
VR = 15V
Major Ratings and Characteristics
Description/Features
The Schottky rectifier module has been optimized for ultra
low forward voltage drop specifically for the OR-ing of paral-
lel power supplies. The proprietary barrier technology allows
for reliable operation up to 125 °C junction temperature.
Typical applications are in parallel switching power supplies,
converters, reverse battery protection, and redundant power
subsystems.
Characteristics
Values
Units
I
Rectangular
waveform
20
A
F(AV)
V
I
15
V
A
V
RRM
125°C T operation (VR < 5V)
J
Center tap module
@tp=5μssine
700
0.25
FSM
Optimized for OR-ing applications
Ultra low forward voltage drop
High frequency operation
V
@19 Apk, T =125°C
J
F
( Typical)
Guard ring for enhanced ruggedness and long term
reliability
T
range
-55 to 125
°C
J
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
Case Styles
STPS20L15D
STPS20L15G
Base
Cathode
Base
Cathode
2
1
3
1
3
N/C
Anode
Cathode
Anode
D2PAK
TO-220AC
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1
STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
Voltage Ratings
Part number
Values
VR
Max. DC Reverse Voltage (V)
@ TJ = 100 °C
15
VRWM Max. Working Peak Reverse Voltage (V) @ TJ = 100 °C
Absolute Maximum Ratings
Parameters
Values Units
Conditions
IF(AV) Max. Average Forward Current
*SeeFig. 5
20
A
50% duty cycle @ TC =85°C, rectangularwaveform
Following any rated
load condition and with
rated VRRM applied
IFSM Max. Peak One Cycle Non-Repetitive
SurgeCurrent *SeeFig. 7
700
330
10
5μs Sineor3μsRect. pulse
A
10msSineor6msRect. pulse
EAS Non-Repetitive Avalanche Energy
mJ TJ = 25°C, IAS =2Amps,L=6mH
IAR
Repetitive Avalanche Current
2
A
Current decaying linearly to zero in 1 μsec
FrequencylimitedbyTJ max. VA =1.5xVR typical
Electrical Specifications
Parameters
Values Units
Typ. Max.
Conditions
VFM Forward Voltage Drop
* See Fig. 1
-
-
0.41
0.52
V
V
V
V
@ 19A
TJ = 25 °C
(1)
(1)
@ 40A
0.25 0.33
0.37 0.50
@ 19A
TJ = 125 °C
@ 40A
IRM Reverse Leakage Current
* See Fig. 2
-
-
10
mA TJ = 25 °C
VR = rated VR
600 mA TJ = 100 °C
VF(TO) Threshold Voltage
0.182
7.6
V
TJ = TJ max.
rt
Forward Slope Resistance
Max. Junction Capacitance
Typical Series Inductance
mΩ
CT
LS
-
2000 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
8
-
nH Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change
10000
V/ μs (Rated VR)
(1) Pulse Width < 300μs, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
Values Units
Conditions
TJ
Max. Junction Temperature Range
-55 to 125
-55 to 150
1.5
°C
°C
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance
Junction to Case
°C/W DC operation
*SeeFig. 4
RthCS Typical Thermal Resistance
Case to Heatsink
0.50
40
°C/W Mounting surface , smooth and greased
For TO-220
RthJA Max. Thermal Resistance
Junction to Ambient
°C/W DC operation
2
For D Pak
wt
T
Approximate Weight
Mounting Torque
2 (0.07) g(oz.)
Min.
6(5)
Non-lubricated threads
Kg-cm
(Ibf-in)
Max.
12 (10)
Marking Device
STPS 20L15D
STPS20L15G
Case Style TO-220
Case Style D2Pak
2
www.irf.com
STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
1000
100
10
1000
100
10
T = 100°C
J
75°C
50°C
25°C
1
0.1
0
3
6
9
12
15
Reverse Voltage - V (V)
R
Fig. 2-Typical Values of Reverse Current
Vs. Reverse Voltage
10000
T = 125°C
J
T = 75°C
J
T = 2 5° C
J
T = 25°C
J
1000
1
100
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6
FM
0
5
10
15
20
Forward Voltage Drop - V (V)
Reverse Voltage - V (V)
R
Fig. 1-Maximum Forward Voltage Drop Characteristics
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
10
D = 0.75
D = 0.50
1
D = 0.33
D = 0.25
D = 0.20
P
DM
t
1
t
0.1
2
Sin g le Pu lse
(Thermal Resistance)
Notes:
1. Duty factor D = t / t
2
1
2. Peak T = PDMx Z
+ T
C
J
thJC
0.01
0.00001
0.0001
0.001
0.01
0.1
1
10
100
t
, Rectangular Pulse Duration (Seconds)
1
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
3
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STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
100
95
14
12
10
8
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
90
RM S Lim it
DC
85
80
75
70
Square wave (D = 0.50)
6
4
2
see note (2)
0
0
4
8
12
16
20
24
0
5
10
15
20
25
30
Average Forward Current - I
(A)
Average Forward Current - I
(A)
F( AV)
F( AV)
Fig. 6-Forward Power Loss Characteristics
Fig. 5 - Maximum Allowable Case Temperature
Vs. Average Forward Current
1000
At Any Rated Load Condition
And With Rated V
Following Surge
Applied
RRM
100
10
100
1000
10000
Square Wave Pulse Duration - t (microsec)
p
Fig. 7 - Maximum Non-Repetitive Surge Current
L
HIGH-SPEED
SWITCH
IRFP460
DUT
FREE- WHEEL
DIODE
Rg = 25 o hm
Vd = 25 Volt
+
CURRENT
MONITOR
40HFL40S02
Fig. 8-Unclamped Inductive Test Circuit
;
(2) Formulaused:TC =TJ -(Pd+PdREV)xRthJC
Pd=ForwardPowerLoss=IF(AV) xVFM @(IF(AV) /D) (seeFig.6);
PdREV =InversePowerLoss=VR1 xIR (1-D); IR @VR1=80%ratedVR
4
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STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
Outline Table
Conform to JEDEC outline TO-220AC
Dimensions in millimeters and (inches)
Conform to JEDEC outline D2Pak (SMD-220)
Dimensions in millimeters and (inches)
5
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STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
Part Marking Information
TO-220AC
PART NUMBER
INTERNATIONAL
RECTIFIER
LOGO
EXAMPLE: THIS IS A STPS20L15D
LOT CODE 1789
ASSEMBLED ON WW 19, 2001
DATE CODE
YEAR 1 = 2001
WEEK 19
IN THE ASSEMBLY LINE "C"
ASSEMBLY
LOT CODE
LINE C
D2Pak
PART NUMBER
DATE CODE
INTERNATIONAL
RECTIFIER
LOGO
THIS IS A STPS20L15G
LOT CODE 8024
ASSEMBLED ON WW 02, 2000
STPS20L15G
YEAR 0 = 2000
WEEK 02
ASSEMBLY
LOT CODE
LINE C
Tape & Reel Information
Dimensions in millimeters and (inches)
6
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STPS20L15D, STPS20L15G
Bulletin PD-20626 rev. C 06/06
Ordering Information Table
Device Code
STPS 20
L
15
D
-
2
6
1
4
5
3
1
2
3
4
5
-
-
-
-
-
Schottky STPS Series
Current Rating (20 = 20A)
L = Low Voltage Drop
Voltage Rating (15 = 15V)
Package Style:
y D = TO-220
y G = D2PAk
6
-
y none = Standard Production
y PbF = Lead-Free
Tube Standard Pack Quantity : 50 pieces
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level.
Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 06/06
7
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