RFG45N06_02 Datasheet, PDF (5/8 Pages) Fairchild Semiconductor – 45A, 60V, 0.028 Ohm, N-Channel Power

RFG45N06, RFP45N06, RF1S45N06SM
Typical Performance Curves Unless Otherwise Specified (Continued)
4000
3000
2000
1000
0
0
C_ISS
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS ≈ C_DS + C_GD
C_OSS
C_RSS
5
10
15
20
25
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
60
V_DD = BV_DSS
45
10
V_DD = BV_DSS
7.5
30
5.0
0.75 BV_DSS 0.75 BV_DSS
0.50 BV_DSS 0.50 BV_DSS
15
0.25 BV_DSS 0.25 BV_DSS
2.5
R_L = 1.33Ω
I_G(REF) = 1.5mA
V_GS = 10V
0
0
I_G(REF)
20
I_G(ACT)
t, TIME (µs)
I_G(REF)
80
I_G(ACT)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260.
FIGURE 13. NORMALIZED SWITCHING WAVEFORMS FOR
CONSTANT GATE CURRENT
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 14. UNCLAMPED ENERGY TEST CIRCUIT
t_P
I_AS
BV_DSS
V_DS
V_DD
0
t_AV
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
R_L
+
R_G
V_DD
-
DUT
V_GS
FIGURE 16. SWITCHING TIME TEST CIRCUIT
©2002 Fairchild Semiconductor Corporation
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 17. RESISTIVE SWITCHING WAVEFORMS
RFG45N06, RFP45N06, RF1S45N06SM Rev. B