User guide

DMP31D0UFB4
D
atasheet number: DS35587 Rev. 1 - 2
4 of 7
www.diodes.com
January 2012
© Diodes Incorporated
A
Product Line o
f
Diodes Incorporated
DMP31D0UFB4
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 0.2 0.4 0.6 0.8 1.0
-I , DRAIN SOURCE CURRENT (A)
Fig. 5 Typical On-Resistance vs.
Drain Current and Gate Voltage
D
R
,D
R
AIN-S
O
U
R
CE
O
N-
R
ESISTANCE ( )
DS(ON)
Ω
-V , GATE SOURCE VOLTAGE(V)
Gate Voltage
GS
Fig. 6 Typical On-Resistance vs.
Drain Current and
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
02 468
R
,D
R
AIN-S
O
U
R
C
E
O
N-
R
ESIS
T
AN
C
E ( )
DS(ON)
Ω
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0 0.2 0.4 0.6 0.8 1.0
-I , DRAIN SOURCE CURRENT (A)
Fig. 7 Typical On-Resistance vs.
Drain Current and Temperature
D
R
, D
R
AIN-S
O
U
R
CE
O
N-
R
ESISTANCE( )
DS(ON)
Ω
T = -55C
A
°
T = 25C
A
°
T = 85C
A
°
T = 125C
A
°
T = 150C
A
°
V = -4.5V
GS
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. 8 On-Resistance Variation with Temperature
R
, D
R
AIN-S
O
U
R
C
E
ON-RESISTANCE (NORMALIZED)
DS(ON)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
-50 -25 0 25 50 75 100 125 150
T , JUNCTION TEMPERATURE ( C)
J
°
Fig. 9 On-Resistance Variation with Temperature
R
, D
R
AI
N
-S
O
U
R
C
E
O
N
-
R
ESIS
T
A
N
C
E ( )
DS(on)
Ω
V = -4.5V
I= A
GS
D
-500m
V=5V
I= A
GS
D
-2.
-250m
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
Fig. 10 Gate Threshold Variation vs. Ambient Temperature
A
V,
G
A
T
E
T
H
R
ES
H
O
LD V
O
L
T
A
G
E(V)
GS(TH)