IRF7492TRPBF Datasheet, PDF (5/8 Pages) International Rectifier – High frequency DC-DC converters

IRF7492PbF
4.0
3.0
2.0
1.0
0.0
25
50
75
100
125
150
T_A , Ambient Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Ambient Temperature
100
V_DS
V_GS
R_G
R_D
D.U.T.
10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
+_-VDD
Fig 10a. Switching Time Test Circuit
V_DS
90%
10%
V_GS
t_d(on) t_r
t_d(off) t_f
Fig 10b. Switching Time Waveforms
D = 0.50
10
0.20
0.10
0.05
0.02
1
0.01
0.1
0.0001
SINGLE PULSE
(THERMAL RESPONSE)
0.001
0.01
0.1
1
t₁, Rectangular Pulse Duration (sec)
P _DM
t₁
t₂
Notes:
1. Duty factor D =
t₁/ t ₂
2. Peak T _J = P _DM x Z _thJA + T _A
10
100
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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1000
5