STPS61170CW

December 2010 Doc ID 11643 Rev 2 1/7
7
STPS61170C
High voltage power Schottky rectifier
Features
High junction temperature capability
Low leakage current
Good trade off between leakage current and
forward voltage drop
Low thermal resistance
High frequency operation
Avalanche specification
Description
Dual center tab Schottky rectifier suited for high
frequency switched mode power supply.
Packaged in TO-247, this device is intended for
use to enhance the reliability of the application.
Table 1. Device summary
Symbol Value
I
F(AV)
2 x 30 A
V
RRM
170 V
T
j
175 °C
V
F (max)
0.67 V
TO-247
K
A1
A2
A1
K
A2
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Characteristics STPS61170C
2/7 Doc ID 11643 Rev 2
1 Characteristics
When the diodes 1 and 2 are used simultaneously :
ΔT
j
(diode 1) = P(diode1) x R
th(j-c)
(Per diode) + P(diode 2) x R
th(c)
To evaluate the conduction losses use the following equation :
P = 0.54 x I
F(AV)
+ 0.0043 I
F
2
(RMS)
Table 2. Absolute ratings (limiting values, per diode)
Symbol Parameter Value Unit
V
RRM
Repetitive peak reverse voltage 170 V
I
F(RMS)
Forward rms current 80 A
I
F(AV)
Average forward current T
C
= 150 °C δ = 0.5
Per diode
Per device
30
A
60
I
FSM
Surge non repetitive forward current t
p
= 10 ms sinusoidal 500 A
P
ARM
Repetitive peak avalanche power t
p
= 1 µs T
j
= 25 °C 31800 W
V
ARM
(1)
Maximum repetitive peak avalanche voltage
t
p
= 1 µs, T
j
< 150 °C,
I
AR
< 47 A
200 V
V
ASM
(1)
Maximum single pulse peak avalanche voltage
T
stg
Storage temperature range -65 to + 175 °C
T
j
Maximum operating junction temperature
(2)
175 °C
dV/dt Critical rate of rise reverse voltage 10000 V/µs
1. Refer to Figure 11
2. condition to avoid thermal runaway for a diode on its own heatsink
dPtot
dTj
<
1
Rth(j-a)
Table 3. Thermal resistance parameters
Symbol Parameter Value Unit
R
th (j-c)
Junction to case
Per diode
To t al
0.9
0.6
°C/W
R
th (c)
Coupling 0.3
Table 4. Static electrical characteristics (per diode)
Symbol Parameter Tests conditions Min. Typ. Max. Unit
I
R
(1)
Reverse leakage current
T
j
= 25 °C
V
R
= V
RRM
60 µA
T
j
= 125 °C 16 60 mA
V
F
(2)
Forward voltage drop
T
j
= 25 °C
I
F
= 30 A
0.84
V
T
j
= 125 °C 0.63 0.67
T
j
= 25 °C
I
F
= 60 A
0.92
T
j
= 125 °C 0.76 0.80
1. Pulse test: t
p
= 5 ms, δ < 2%
2. Pulse test: t
p
= 380 µs, δ < 2%
STPS61170C Characteristics
Doc ID 11643 Rev 2 3/7
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)
0
5
10
15
20
25
30
0 5 10 15 20 25 30 35 40
P
F(AV)
(W)
d=0.05 d=0.1
d=0.2
d=0.5
d=1
T
d
=t /T
p
t
p
I
F(AV)
(A)
0
5
10
15
20
25
30
35
0 25 50 75 100 125 150 175
I
F(AV)
(A)
R
th(j-a)
=15°C/W
T
d
=t /T
p
t
p
R
th(j-a)
=R
th(j-c)
T
amb
(°C)
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
0.001
0.01
0.10.01 1
0.1
10 100
1000
1
P(t
p
)
P (1µs)
ARM
ARM
t (µs)
p
0
0.2
0.4
0.6
0.8
1
1.2
25
50 75 100 125 150
T (°C)
j
P(t)
P (25°C)
ARM p
ARM
0
0.2
0.4
0.6
0.8
1
1.2
25 50 75 100 125
150
P(T)
P (25 °C)
ARM j
ARM
T (°C)
j
Figure 5. Non repetitive surge peak forward
current versus overload duration
(maximum values, per diode)
Figure 6. Relative variation of thermal
impedance junction to case versus
pulse duration (per diode)
0
50
100
150
200
250
300
350
400
1.E-03 1.E-02 1.E-01 1.E+00
t(s)
I
M
(A)
T
C
=50°C
T
C
=75°C
T
C
=125°C
I
M
t
d =0.5
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.E-03 1.E-02 1.E-01 1.E+00
Z
th(j-c)
/R
th(j-c)
d=0.1
d=0.2
d=0.5
Single pulse
T
d
=t /T
p
t
p
t
P
(s)

STPS61170CW

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Schottky Diodes & Rectifiers SCHOTTKY RECTIFIER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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