Bss138dw – Diodes BSS138DW User Manual
Page 3
BSS138DW
Document number: DS30203 Rev. 13 - 2
3 of 6
January 2014
© Diodes Incorporated
BSS138DW
0
0.1
0.2
0.3
0.4
0.5
0.6
1
0
3
2
5
4
7
6
8
9
10
I,
D
R
AI
N-
S
O
U
R
C
E
C
U
R
R
EN
T
(A)
D
V , DRAIN-SOURCE VOLTAGE (V)
Fig. 1 Drain-Source Current vs. Drain-Source Voltage
DS
T = 25 C
j
°
V
= 3.5V
GS
V
= 3.25V
GS
V
= 3.0V
GS
V
= 2.75V
GS
V
= 2.5V
GS
0
V , GATE-SOURCE VOLTAGE (V)
Fig. 2 Transfer Characteristics
GS
0.1
0.2
0.3
0.5
0.4
0.6
0.7
0.8
0
1
1.5
0.5
2
3.5
4
4.5
2.5
3
I,
D
R
AI
N
-S
O
U
R
C
E
C
U
R
R
E
N
T
(A
)
D
-55 C
°
150 C
°
25 C
°
V
= 1V
DS
0.65
T , JUNCTION TEMPERATURE (°C)
Fig. 3 Drain-Source On Resistance vs. Junction Temperature
j
0.85
1.05
1.25
1.65
1.45
1.85
2.05
2.25
2.45
-55
-5
45
95
145
V
= 10V
GS
V
= 4.5V
GS
I = 0.5A
D
I = 0.075A
D
R
, NORM
A
L
IZ
ED DRA
IN-
S
OURCE
ON-
R
E
S
IST
A
NCE (
)
DS
(O
N)
0
0.2
0.4
0.6
0.8
1
1.4
1.2
2
1.8
1.6
-55
-25
50
100
75
V,
G
A
T
E
T
H
R
ES
H
O
LD
V
O
LT
A
G
E (
V
)
GS
(t
h
)
T , JUNCTION TEMPERATURE (°C)
Fig. 4 Gate Threshold Voltage vs. Junction Temperature
j
125
25
0
150
0
I , DRAIN-CURRENT (A)
Fig. 5 Drain-Source On-Resistance vs. Drain-Current
D
1
2
3
4
5
6
7
8
0
0.02 0.04 0.06 0.08
0.16
0.14
0.12
0.1
150 C
°
-55 C
°
25 C
°
V = 2.5V
GS
R
, DRA
IN-S
OURCE
ON-RE
S
IS
TA
NC
E
(
)
DS
(O
N)
0
I , DRAIN-CURRENT (A)
Fig. 6 Drain-Source On-Resistance vs. Drain-Current
D
1
2
3
5
4
6
7
8
9
0
0.05
0.1
0.2
0.15
0.25
150 C
°
-55 C
°
25 C
°
V
= 2.75V
GS
R
, D
R
A
IN
-S
O
U
R
C
E
O
N
-R
ES
IS
TA
N
C
E (
)
DS
(O
N)