RFM10N45 Datasheet, PDF (4/4 Pages) Intersil Corporation – 10A, 450V and 500V, 0.600 Ohm, N-Channel Power MOSFETs

RFM10N45, RFM10N50
Typical Performance Curves Unless Otherwise Specified (Continued)
3
I_D = 10A
V_GS = 10V
2.5
2
1.5
1
0.5
0
-50
0
50
100
150
200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 7. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
1.4
I_D = 250mA
1.3 V_GS = V_DS
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
4000
3000
2000
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS ≈ C_GS + C_DS
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
500
10
8
375
V_DD = BV_DSS
GATE
SOURCE
V_DD = BV_DSS
VOLTAGE
250
I_G(R^R_ELF)^==520.Ω1mA
6
V_GS = 10V
PLATEAU VOLTAGES
4
IN DESCENDING ORDER:
125
V_DD = BV_DSS
V_DD = 0.75 BV_DSS
V_DD = 0.50BV_DSS
2
V_DD = 0.25B V_DSS
DRAIN SOURCE VOLTAGE
0
0
20 _{I-I-G-G-----((}--AR----C-E----F-T---⁾-₎
t, TIME (µs)
80 _{I-I-G-G-----((}--AR----C-E----F-T---⁾-₎
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
10%
V_GS
10%
0
50%
PULSE WIDTH
90%
50%
FIGURE 12. RESISTIVE SWITCHING WAVEFORMS
5-4