RFD3055LE Datasheet, PDF (5/8 Pages) Fairchild Semiconductor – 11A, 60V, 0.107 Ohm, Logic Level, N-Channel Power MOSFETs

RFD3055LE, RFD3055LESM, RFP3055LE
Typical Performance Curves Unless Otherwise Specified (Continued)
1.2
1.2
V_GS = V_DS, I_D = 250µA
I_D = 250µA
1.0
1.1
0.8
1.0
0.6
-80
-40
0
40
80
120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 12. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
1000
C_ISS = C_GS + C_GD
C_OSS ≅ C_DS + C_GD
100
V_GS = 0V, f = 1MHz
10
C_RSS = C_GD
0.1
1
10
60
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 14. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
Test Circuits and Waveforms
V_DS
VARY t_P TO OBTAIN
REQUIRED PEAK I_AS
R_G
V_GS
t_P
0V
L
DUT
+
V_DD
-
I_AS
0.01Ω
FIGURE 16. UNCLAMPED ENERGY TEST CIRCUIT
6-5
0.9
-80
-40
0
40
80
120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 13. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
10
V_DD = 30V
8
6
4
WAVEFORMS IN
DESCENDING ORDER:
2
I_D = 11A
I_D = 5A
I_D = 3A
0
0
2
4
6
8
10
Q_g, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 15. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
t_P
I_AS
BV_DSS
V_DS
V_DD
0
t_AV
FIGURE 17. UNCLAMPED ENERGY WAVEFORMS