English
Language : 

IRF7700 Datasheet, PDF (5/9 Pages) International Rectifier – Power MOSFET(Vdss=-20V)
IRF7700
5.0
4.0
3.0
2.0
1.0
0.0
25
50
75
100
125
150
TC , Case Temperature ( °C)
VDS
VGS
RG
RD
D.U.T.
VGS
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
-
+ VDD
Fig 10a. Switching Time Test Circuit
VGS
10%
td(on) tr
td(off) tf
Fig 9. Maximum Drain Current Vs.
Case Temperature
90%
VDS
Fig 10b. Switching Time Waveforms
100
D = 0.50
0.20
10
0.10
0.05
0.02
0.01
1
SINGLE PULSE
(THERMAL RESPONSE)
PDM
t1
t2
0.1
0.00001
0.0001
Notes:
1. Duty factor D = t1 / t 2
2. Peak TJ = P DM x ZthJA + TA
0.001
0.01
0.1
1
10
t1, Rectangular Pulse Duration (sec)
Fig 10. Typical Effective Transient Thermal Impedance, Junction-to-Ambient
www.irf.com
5