RFH10N45 Datasheet, PDF (4/4 Pages) Intersil Corporation – 10A, 450V and 500V, 0.600 Ohm, N-Channel Power MOSFETs

RFH10N45, RFH10N50
Typical Performance Curves (Continued)
3.0
I_D = 10A
2.5 ^{VGS = 10V}
2.0
1.5
1.0
0.5
-50
0
50
100
150
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 7. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
4000
3000
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS ≈ C_DS + C_GS
2000
C_ISS
1000
C_OSS
C_RSS
0
0
10
20
30
40
50
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 9. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
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
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 8. NORMALIZED GATE TO THRESHOLD VOLTAGE
vs JUNCTION TEMPERATURE
500
10
8
375
GATE
V_DD = BV_DSS
SOURCE
V_DD = BV_DSS
VOLTAGE
6
250
R_L = 50Ω
I_G(REF) = 2.1mA
V_GS = 10V
4
125
0.75BV_DSS 0.75BV_DSS
0.50BV_DSS 0.50BV_DSS
2
0.25BV_DSS 0.25BV_DSS
DRAIN SOURCE VOLTAGE
0
0
20 ^IG(REF)
I_G (ACT)
t, TIME (µs)
80 ^IG(REF)
I_G (ACT)
NOTE: Refer to Harris Applications Notes AN7254 and AN7260.
FIGURE 10. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
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
4