A Product Line of
Diodes Incorporated
DMP4050SSS
Typical Characteristics - continued
1000
V GS = 0V
10
800
600
400
C ISS
C OSS
C RSS
f = 1MHz
8
6
4
200
2
V DS = -20V
I D = -6A
0
0.1
1
10
0
0
2
4
6
8
10
12
14
-V DS - Drain - Source Voltage (V)
Capacitance v Drain-Source Voltage
Q - Charge (nC)
Gate-Source Voltage v Gate Charge
Test Circuits
Current
regulator
Q G
12V
0.2 F
50k
Same as
D.U.T
V G
Q GS
Q GD
Charge
I G
V GS
D.U.T
V DS
I D
Basic gate charge waveform
V DS
Gate charge test circuit
90%
10%
R G
V GS
R D
V DS
V DD
V GS
Pulse width
1 S
Duty factor 0.1%
t r
t (on)
t d(off)
t r
t (on)
t d(on)
Switching time waveforms
Switching time test circuit
DMP4050SSS
Document Number DS32108 Rev 1 - 2
6 of 8
www.diodes.com
March 2010
? Diodes Incorporated
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