Diodes BSN20 - Manual (Page 3)

BSN20
Document number: DS31898 Rev. 8 - 2
3 of 6
www.diodes.com
September 2013
© Diodes Incorporated
BSN20
NEW PROD
UC
T
Fig 1. Normalized Total Power Dissipation
as a Function of Solder Point Temperature
0
20
40
60
80
100
120
25 50 75 100 125 150 175
T , SOLDER POINT TEMPERATURE (°C)
S
P
, PO
W
E
R DI
SSI
P
A
T
IO
N
(
%
)
D
0
20
40
60
80
100
120
I,
N
O
R
MA
L
IZ
E
D
C
O
N
T
IN
U
O
U
S
C
U
R
R
EN
T
(%
)
DE
R
Fig 2. Normalized Continuous Current
vs. Solder Point Temperature
0 50 75 100 125 150 175
T , SOLDER POINT TEMPERATURE (°C)
S
25
Fig. 3 SOA, Safe Operation Area
0.1 1 10 100
V , DRAIN-SOURE VOLTAGE (V)
DS
R
ds(on)
Limited
I,
D
R
AI
N
C
U
R
R
EN
T
(A
)
D
0.001
0.01
0.1
1
T = 150°C
T = 25°C
Single Pulse
J(MAX)
A
P = 10s W
P = DC W
P = 1s W
P = 100ms W
P = 10ms W
P = 1ms W
P = 100µs W
P = 10µs W
Z,
T
R
AN
S
IE
N
T
T
H
E
R
MA
L
R
ES
IS
T
AN
C
E (
°C
/W
)
th
(j
-s
p
)
1
10
100
1,000
0.00001 0.0001 0.001 0.01 0.1 1 10
Fig. 4 Transient Thermal Response
t , PULSE DURATION TIME (s)
1
D = 0.5
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = Single Pulse
Duty Cycle, D = t /t
1 2