R5009FNX ROHM Co. Ltd., R5009FNX Datasheet - Page 5

• Manufacturer Part Number: R5009FNX
• Description: 10v Drive Nch Mosfet
• Manufacturer: ROHM Co. Ltd.

 Measurement circuits
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R5009FNX
Fig.1-1 Switching Time Measurement Circuit
Fig.2-1 Gate Charge Measurement Circuit
Fig.3-1 Avalanche Measurement Circuit
I
G(Const.)
R
G
R
G
V
GS
V
V
GS
GS
D.U.T.
D.U.T.
D.U.T.
I
AS
I
I
D
D
L
V
R
DD
R
V
V
L
DD
L
DD
V
DS
V
V
DS
DS
V
DD
V
V
GS
DS
Fig.1-2 Switching Waveforms
V
E
GS
Fig.2-2 Gate Charge Waveform
t
V
d(on)
AS
Fig.3-2 Avalanche Waveform
G
=
Q
gs
1
2
10%
t
50%
5/5
on
L
10%
Pulse width
Q
I
t
90%
r
AS
gd
Q
2
g
I
AS
V
(BR)DSS
90%
t
V
d(off)
(BR)DSS
Charge
- V
t
off
50%
DD
V
(BR)DSS
10%
t
90%
f
2011.07 - Rev.A
Data Sheet