User Manual

DMG4932LSD
Document number: DS32119 Rev. 4 - 2
6 of 9
www.diodes.com
August 2010
© Diodes Incorporated
DMG4932LSD
NEW PRODUCT
0102015 25 30
Fig. 14 Typical On-Resistance
vs. Drain Current and Gate Voltage
I , DRAIN-SOURCE CURRENT (A)
D
5
R , DRAIN-SOURCE ON-RESISTANCE ( )
DS(ON)
Ω
0
0.010
0.020
0.015
0.005
V = 10V
GS
V = 4.5V
GS
0 5 10 15 20 25 30
I , DRAIN CURRENT (A)
D
Fig. 15 Typical On-Resistance
vs. Drain Current and Temperature
0
0.01
0.02
0.04
R
, D
R
AIN-S
O
U
R
C
E
O
N-
R
ESIS
T
AN
C
E ( )
DS(ON)
Ω
0.03
T = 85°C
A
T = 25°C
A
T = -55°C
A
T = 150°C
A
V = 4.5V
GS
T = 125°C
A
Fig. 16 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0.6
0.8
1.0
1.2
1.4
1.6
R
, D
R
AIN-S
O
U
R
C
E
ON-RESISTANCE (NORMALIZED)
DSON
V = 4.5V
I = 5A
GS
D
V = 10V
I = 10A
GS
D
Fig. 17 On-Resistance Variation with Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0
0.01
0.02
0.03
R
, D
R
AI
N
-S
O
U
R
C
E
O
N
-
R
ESIS
T
A
N
C
E ( )
DSON
Ω
V = 4.5V
I = 5A
GS
D
V = 10V
I = 10A
GS
D
Fig. 18 Gate Threshold Variation vs. Ambient Temperature
-50 -25 0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
0
0.5
1.0
1.5
2.0
2.5
3.0
V,
G
A
T
E
T
H
R
ES
H
O
LD V
O
L
T
A
G
E (V)
GS(TH)
I = 250µA
D
I = 1mA
D
0 0.2 0.4 0.6 0.8 1.0 1.2
Fig. 19 Diode Forward Voltage vs. Current
V , SOURCE-DRAIN VOLTAGE (V)
SD
0
5
10
15
20
25
30
I, S
O
U
R
C
E
C
U
R
R
E
N
T
(A)
S
T = 25°C
A