RFL4N12 Datasheet, PDF (4/4 Pages) Intersil Corporation – 4A, 120V and 150V, 0.400 Ohm, N-Channel Power MOSFETs

RFL4N12, RFL4N15
Typical Performance Curves Unless Otherwise Specified (Continued)
2.5
I_D = 4A
V_GS = 10V
2
1.5
1
0.5
-50
0
50
100
150
200
T_J, JUNCTION TEMPERATURE ( ^oC)
FIGURE 7. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
1200
1000
800
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS ≈ C_DS + C_GS
600
C_ISS
400
200
C_OSS
C_RSS
0
0
10
20
30
40
50
60
70
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 9. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
1.4
I_D = 250µA
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-50
0
50
100
150
200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 8. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
150
10
GATE
V_DD = BV_DSS
TO
8
112.5
SOURCE
VOLTAGE
V_DD = BV_DSS
6
75
R_L = 37.5Ω
I_G(REF) = 0.46mA
V_GS = 10V
4
37.5
0.75BV_DSS
0.50BV_DSS
0.75BV_DSS
0.50BV_DSS
2
0.25BV_DSS
0.25BV_DSS
DRAIN TO SOURCE VOLTAGE
0
0
20 ^{IG (REF)}
I_G (ACT)
t, TIME (µs)
80 ^{IG (REF)}
I_G (ACT)
NOTE: Refer to Harris Application Notes AN7254 and AN7260.
FIGURE 10. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
Test Circuits and Waveforms
R_L
+
R_G
V_DD
-
DUT
V_GS
FIGURE 11. SWITCHING TIME TEST CIRCUIT
V_DS
t_ON
t_d(ON)
t_r
90%
t_OFF
t_d(OFF)
t_f
90%
10%
0
V_GS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
5-4