User guide

DMN1025UFDB
Document number: DS36668 Rev. 2 - 2
3 of 6
www.diodes.com
April 2014
© Diodes Incorporated
DMN1025UFDB
0.0
3.0
6.0
9.0
12.0
15.0
0 0.5 1 1.5 2 2.5 3
V , DRAIN-SOURCE VOLTAGE (V)
Figure 1 Typical Output Characteristic
DS
I, D
R
AIN
C
U
R
R
EN
T
(A)
D
V= 1.0V
GS
V= 1.2V
GS
V= 3.0V
GS
V= 4.5V
GS
V = 10V
GS
V= 2.5V
GS
V= 2.0V
GS
V= 1.8V
GS
0
3
6
9
12
15
0 0.3 0.6 0.9 1.2 1.5
V , GATE-SOURCE VOLTAGE (V)
GS
Figure 2 Typical Transfer Characteristics
I, D
R
AIN
C
U
R
R
EN
T
(A)
D
V = 5.0V
DS
T = 150°C
A
T = 125°C
A
T = 85°C
A
T = 25°C
A
T = -55°C
A
0.01
0.015
0.02
0.025
0.03
0246810121416
I , DRAIN-SOURCE CURRENT (A)
D
Figure 3 Typical On-Resistance vs.
Drain Current and Gate Voltage
R , DRAIN-S
O
URCE
O
N-RESISTANCE ( )
DS(ON)

V = 1.8V
GS
V = 4.5V
GS
V = 2.5V
GS
0
0.02
0.04
0.06
0.08
0.1
0246810
V , GATE-SOURCE VOLTAGE (V)
GS
Figure 4 Typical Transfer Characteristic
R
,
D
R
AI
N
-S
O
U
R
C
E
O
N
-
R
ESIS
T
A
N
C
E ( )
DS(ON)

I= 5.2A
D
I= 2.5A
D
0.01
0.015
0.02
0.025
0.03
03691215
I , DRAIN CURRENT (A)
D
Figure 5 Typical On-Resistance vs.
Drain Current and Temperature
R , DRAIN-S
O
URCE
O
N-RESISTANCE ( )
DS(ON)

T = -55°C
A
T = 25°C
A
T = 85°C
A
T = 125°C
A
T = 150°C
A
V = 4.5V
GS
0.6
0.8
1
1.2
1.4
1.6
1.8
-50-25 0 255075100125150
T , JUNCTION TEMPERATURE ( C)
Figure 6 On-Resistance Variation with Temperature
J

R
, D
R
AI
N
-S
O
U
R
C
E
ON-RESISTANCE (NORMALIZED)
DS(ON)
V=4.5V
I= 5.2A
GS
D
V= V
I= 2.5A
GS
D
1.8
V= V
I= 4.8A
GS
D
2.5