STPS20S100CT

February 2010 Doc ID 11281 Rev 2 1/9
9
STPS20S100C
100 V, 20 A power Schottky rectifier
Features
High junction temperature capability for
converters located in confined enrironment
Low leakage current at high temperature
Low static and dynamic losses as a result of the
Schottky barrier
Avalanche specification
Description
Schottky barrier rectifier designed for high
frequency miniature switched mode power
supplies such as adaptators and on board dc/dc
converters. The device is packaged in TO-220AB,
I
2
PAK and TO-220FPAB.
Table 1. Device summary
Symbol Value
I
F(AV)
2 x 10 A
V
RRM
100 V
T
j
175 °C
V
F
(max) 0.71 V
TO-220AB
STPS20S100CT
TO-220FPAB
STPS20S100CFP
I
2
PAK
STPS20S100CR
K
A1
A2
K
K
A2
A1
K
A2
A1
K
K
A2
A1
www.st.com
Characteristics STPS20S100C
2/9 Doc ID 11281 Rev 2
1 Characteristics
When the 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)
To evaluate the conduction losses use the following equation: P = 0.62 x I
F(AV)
+ 0.009 I
F
2
(RMS)
Table 2. Absolute ratings (limiting values, per diode)
Symbol Parameter Value Unit
V
RRM
Repetitive peak reverse voltage 100 V
I
F(RMS)
Forward rms current 30 A
I
F(AV)
Average forward
current δ = 0.5
TO-220AB / I
2
PA K T
c
= 150 °C
Per diode
Per device
10
20
A
TO-220FPAB T
c
= 140 °C
Per diode
Per device
10
20
I
FSM
Surge non repetitive forward current t
p
= 10ms sinusoidal 180 A
P
ARM
Repetitive peak avalanche power t
p
= 1µs T
j
= 25 °C 7200 W
T
stg
Storage temperature range -65 to + 175 °C
T
j
Maximum operating junction temperature
(1)
1. condition to avoid thermal runaway for a diode on its own heatsink
175 °C
dV/dt Critical rate of rise of reverse voltage 10000 V/µs
Table 3. Thermal resistance
Symbol Parameter Value Unit
R
th(j-c)
Junction to case TO-220AB / I
2
PA K
Per diode 2.2
°C/WTot al 1 . 3
R
th(c)
Coupling 0.3
R
th(j-c)
Junction to case TO-220FPAB
Per diode 4.5
°C/WTot al 3 . 5
R
th(c)
Coupling 2.5
Table 4. Static electrical characteristics (per diode)
Symbol Parameter Tests conditions Min. Typ. Max. Unit
I
R
(1)
1. Pulse test: t
p
= 5 ms, δ < 2%
Reverse leakage
current
T
j
= 25 °C
V
R
= V
RRM
3.5 µA
T
j
= 125 °C 1.3 4.5 mA
V
F
(2)
2. Pulse test: t
p
= 380 µs, δ < 2%
Forward voltage drop
T
j
= 25 °C
I
F
= 5 A
0.73
V
T
j
= 125 °C 0.57 0.61
T
j
= 25 °C
I
F
= 10 A
0.85
T
j
= 125 °C 0.66 0.71
T
j
= 25 °C
I
F
= 20 A
0.94
T
j
= 125 °C 0.74 0.80
dPtot
dTj
<
1
Rth(j-a)
STPS20S100C Characteristics
Doc ID 11281 Rev 2 3/9
Figure 1. Average forward power dissipation
versus average forward current
(per diode)
Figure 2. Average forward current versus
ambient temperature
(δ = 0.5, per diode)
P (W)
F(AV)
0
1
2
3
4
5
6
7
8
9
10
012345678910111213
I (A)
F(AV)
T
δ
=tp/T
tp
δ = 0.05
δ = 0.1
δ = 0.2
δ = 1
δ = 0.5
0
1
2
3
4
5
6
7
8
9
10
11
0 25 50 75 100 125 150 175
I (A)
F(AV)
I²PAK/TO-220AB
TO-220FPAB
T (°C)
amb
T
δ
=tp/T
tp
R=R
th(j-a) th(j-c)
R =15°C/W
th(j-a)
Figure 3. Normalized avalanche power
derating versus pulse duration
Figure 4. Normalized avalanche power
derating versus junction
temperature
0.001
0.01
0.10.01 1
0.1
10 100 1000
1
t(µs)
p
P(t)
P(1µs)
ARM p
ARM
0
0.2
0.4
0.6
0.8
1
1.2
25 50 75 100 125 150
P
ARM
(T
j
)
P
ARM
(25°C)
T(°C)
j
Figure 5. Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
Figure 6. Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
I (A)
M
0
20
40
60
80
100
120
140
160
180
1.E-03 1.E-02 1.E-01 1.E+00
T =25°C
a
T =75°C
a
T =125°C
a
IM
t
δ=0.5
t(s)
0
10
20
30
40
50
60
70
80
90
100
110
120
1.E-03 1.E-02 1.E-01 1.E+00
I (A)
M
T =25°C
a
T =75°C
a
T =125°C
a
I
M
t
δ
=0.5
t(s)
TO-220FPAB

STPS20S100CT

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Schottky Diodes & Rectifiers 100V 20A Power Schottky 0.71V Vf
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet