IRF7665S2PBF Datasheet, PDF (4/9 Pages) International Rectifier – Key parameters optimized for Class-D audio amplifier applications

IRF7665S2TR/TR1PbF
100
TJ = -40°C
TJ = 25°C
TJ = 175°C
10
1
0.1
VGS = 0V
0.01
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
VSD, Source-to-Drain Voltage (V)
Fig 7. Typical Source-Drain Diode Forward Voltage
16
14
12
10
8
6
4
2
0
25 50 75 100 125 150 175
TC , Case Temperature (°C)
Fig 9. Maximum Drain Current vs. Case Temperature
1000
100
OPERATION IN THIS AREA
LIMITED BY R _DS(on)
10
100µsec
1msec
1
10msec
DC
0.1 ^{Tc = 25°C}
Tj = 175°C
Single Pulse
0.01
0
1
10
100
1000
VDS, Drain-to-Source Voltage (V)
Fig 8. Maximum Safe Operating Area
6.5
5.5
4.5
3.5
ID = 25µA
ID = 250µA
2.5 ^{ID = 1.0mA}
D = 1.0A
1.5
-75 -50 -25 0 25 50 75 100 125 150 175
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
10
1
0.1
0.01
0.001
1E-006
4
D = 0.50
0.20
0.10
0.05
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
R_1R1
R_2R2
R_3R3
R_4R4
Ri (°C/W) τi (sec)
0.49687 0.000119
τ_{J τJ}
τ_{1 τ1}
τ_{Cτ 0.00517 8.231486}
τ_{2 τ2}
τ_{3 τ3}
τ_4τ4
2.55852 0.018926
Ci= τi/Ri
Ci i/Ri
1.94004 0.002741
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
1E-005
0.0001
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient ƒ
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