IRFB4228PBF Datasheet, PDF (5/8 Pages) International Rectifier – PDP SWITCH

60
ID = 50A
50
40
30
TJ = 125°C
20
10
TJ = 25°C
0
4 6 8 10 12 14 16 18
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance vs. Gate Voltage
5.0
4.5
4.0
3.5
ID = 250µA
3.0
2.5
2.0
1.5
1.0
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Temperature ( °C )
Fig 15. Threshold Voltage vs. Temperature
1
IRFB4228PbF
500
ID
TOP 13A
400
20A
BOTTOM 50A
300
200
100
0
25 50 75 100 125 150 175
Starting TJ , Junction Temperature (°C)
Fig 14. Maximum Avalanche Energy vs. Temperature
250
ton= 1µs
Duty cycle = 0.25
200
Half Sine Wave
Square Pulse
150
100
50
0
25 50 75 100 125 150 175
Case Temperature (°C)
Fig 16. Typical Repetitive peak Current vs.
Case temperature
D = 0.50
0.1
0.20
0.10
0.05
0.02
0.01
0.01
SINGLE PULSE
( THERMAL RESPONSE )
0.001
1E-006
1E-005
0.0001
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci τi/Ri
R_2R2
τ_{2 τ2}
R_{3R3 Ri (°C/W) τi (sec)}
τ_{Cτ 0.0852 0.000052}
τ_{3 τ3}
0.1882 0.000980
0.1769 0.008365
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
Fig 17. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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