HRFZ44N Datasheet, PDF (5/10 Pages) Fairchild Semiconductor – 49A, 55V, 0.022 Ohm, N-Channel UltraFET Power MOSFET

HRFZ44N
Typical Performance Curves (Continued)
2.5
1.2
PULSE DURATION = 80µs
V_GS = 10V, I_D = 49A
DUTY CYCLE = 0.5% MAX
2.0
1.0
V_GS = V_DS, I_D = 250µA
1.5
0.8
1.0
0.6
0.5
-80 -40
0
40
80 120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 9. NORMALIZED DRAIN TO SOURCE ON
RESISTANCE vs JUNCTION TEMPERATURE
0.4
-80
-40
0
40
80 120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 10. NORMALIZED GATE THRESHOLD VOLTAGE vs
JUNCTION TEMPERATURE
1.2
I_D = 250µA
1.1
1.0
0.9
0.8
-80
-40
0
40
80 120 160 200
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 11. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
10
1800
1500
1200
900
V_GS = 0V, f = 1MHz
C_ISS = C_GS + C_GD
C_RSS = C_GD
C_OSS = C_DS + C_GD
C_ISS
600
300
0
0
C_OSS
C_RSS
10
20
30
40
50
60
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
8
6
4
WAVEFORMS IN
DESCENDING ORDER:
I_D = 49A
2
I_D = 36.75A
V_DD = 30V
I_D = 24.5A
I_D = 12.25A
0
0
5
10
15
20
25
30
35
Q_g, GATE CHARGE (nC)
NOTE: Refer to Fairchild Application Notes AN7254 and AN7260.
FIGURE 13. GATE CHARGE WAVEFORMS FOR CONSTANT GATE CURRENT
©2001 Fairchild Semiconductor Corporation
HRFZ44N Rev. B