RFD3N08L, RFD3N08LSM
Typical Performance Curves Unless Otherwise Specified (Continued)
2.0
1.5
1.0
0.5
0
100
80
60
40
20
0
I
= 250µA
D
V
= 40V, I = 3A, R = 13.3Ω
D L
DD
t
r
t
f
t
t
d(OFF)
d(ON)
0
10
20
, GATE TO SOURCE RESISTANCE (Ω)
GS
30
40
50
-80
-40
0
40
80
120
160
200
o
T , JUNCTION TEMPERATURE ( C)
R
J
FIGURE 12. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
FIGURE 13. SWITCHING TIME vs GATE RESISTANCE
5.00
80
60
40
20
0
180
V
= 0V, f = 1MHz
GS
ISS
C
C
C
= C
+ C
C
GS
= C
GD
ISS
150
120
90
60
30
0
RSS
OSS
GD
≈ C
+ C
GD
DS
3.75
2.50
1.25
0
R
= 26.67Ω
L
I
V
= 0.1mA
G(REF)
= 5V
C
OSS
GS
PLATEAU VOLTAGES IN
DESCENDING ORDER:
V
V
V
V
= BV
DD
DD
DD
DD
DSS
= 0.75 BV
= 0.50 BV
DSS
DSS
DSS
C
RSS
= 0.25BV
I
I
I
I
G(REF)
G(ACT)
G(REF)
G(ACT)
0
5
10
15
20
25
20
80
t, TIME (µs)
V
, DRAIN TO SOURCE VOLTAGE (V)
DS
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 15. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
FIGURE 14. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
V
DS
BV
DSS
L
t
P
V
DS
I
VARY t TO OBTAIN
P
AS
+
-
V
DD
R
REQUIRED PEAK I
G
AS
V
DD
V
GS
DUT
t
P
I
AS
0V
0
0.01Ω
t
AV
FIGURE 16. UNCLAMPED ENERGY TEST CIRCUIT
FIGURE 17. UNCLAMPED ENERGY WAVEFORMS
6-30
INTERSIL [ Intersil ]
