User guide

DMC2038LVT
Document number: DS35417 Rev. 6 - 2
4 of 10
www.diodes.com
September 2013
© Diodes Incorporated
DMC2038LVT
NEW PRODUCT
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0 5 10 15 20
0
R
,D
R
AIN-S
O
U
R
C
E
O
N-
R
ESIS
T
AN
C
E( )
DS(ON)

I , DRAIN SOURCE CURRENT
Fig. 3 Typical On-Resistance vs.
Drain Current and Gate Voltage
D
V = 4.5V
GS
V = 2.5V
GS
V = 1.8V
GS
I , DRAIN SOURCE CURRENT (A)
Fig. 4 Typical On-Resistance vs.
Drain Current and Temperature
D
R
, D
R
AIN-S
O
U
R
CE
O
N-
R
ESISTANCE( )
DS(ON)

0
0.02
0.04
0.06
0.08
0 4 8 12 16 20
V = 4.5V
GS
T = -55C
A

T = 25C
A

T = 85C
A

T = 125C
A

T = 150C
A

-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE ( C)
J

Fig. 5 On-Resistance Variation with Temperature
R , DRAIN-SOURCE ON-RESISTANCE
(Normalized)
DS(ON)
0.5
0.7
0.9
1.1
1.3
1.5
1.7
-50 -25 0 25 50 75 100 125 150
T, JUNCTION TEMPERATURE (C)
J

Fig. 6 On-Resistance Variation with Temperature
R
, D
R
AIN-S
O
U
R
C
E
O
N-
R
ESIS
T
AN
C
E ( )
DS(ON)

0
0.01
0.02
0.03
0.04
0.05
0.06
V =10V
I=10A
GS
D
V=5V
I=5A
GS
D
0
0.5
1
1.5
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
Fig. 7 Gate Threshold Variation vs. Ambient Temperature
A
I=1mA
D
I =250µA
D
V,
G
ATE TH
R
ESH
O
L
D
V
O
LTA
G
E(V)
GS(TH)
I, S
O
U
R
C
E
C
U
R
R
ENT (A)
S
V , SOURCE-DRAIN VOLTAGE (V)
Fig. 8 Diode Forward Voltage vs. Current
SD
0
2
4
6
8
10
12
14
16
18
20
0.2 0.4 0.6 0.8 1 1.2 1.4
T= 25C
A
