RFG40N10LE Datasheet, PDF (5/8 Pages) Intersil Corporation – 40A, 100V, 0.040 Ohm, Logic Level N-Channel Power MOSFETs

RFG40N10LE, RFP40N10LE, RF1S40N10LESM
Typical Performance Curves Unless Otherwise Specified (Continued)
1.50
V_GS = V_DS, I_D = 250µA
1.25
1.50
I_D = 250µA
1.25
1.00
1.00
0.75
0.75
0.50
-80
-40
0
40
80 120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 12. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
3500
2800
2100
1400
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS ≈ C_DS + C_GD
C_ISS
700
0
0
C_OSS
C_RSS
5
10
15
20
25
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 14. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
VARY t_P TO OBTAIN
REQUIRED PEAK I_AS
R_G
V_GS
t_P
0V
V_DS
L
DUT
+
V_DD
-
I_AS
0.01Ω
FIGURE 16. UNCLAMPED ENERGY TEST CIRCUIT
5
0.50
-80 -40
0
40
80
120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 13. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
100
5.00
V_DD = BV_DSS
75
V_DD = BV_DSS
3.75
R_L = 2.5Ω
I_G(REF) = 1.7mA
50
V_GS = 5V
2.50
PLATEAU VOLTAGES IN
DESCENDING ORDER:
25
V_DD = BV_DSS
V_DD = 0.75 BV_DSS
1.25
V_DD = 0.50 BV_DSS
V_DD = 0.25 BV_DSS
0
0
20 _I-^I-_GG-----₍₍--_AR----_CE----^FT----⁾⁾ t, TIME (µs)
80 _I-^I-_GG-----₍₍--_AR----_CE----^FT----⁾⁾
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 15. SWITCHING WAVEFORMS FOR CONSTANT GATE
CURRENT
t_P
I_AS
BV_DSS
V_DS
V_DD
0
t_AV
FIGURE 17. UNCLAMPED ENERGY WAVEFORMS