irlr7843 International Rectifier Corp., irlr7843 Datasheet - Page 5

• Manufacturer Part Number: irlr7843
• Description: 30v Single N-channel Hexfet Power Mosfet In A I-pak Package
• Manufacturer: International Rectifier Corp.

www.irf.com
0.001
160
120
0.01
0.1
80
40
10
0
Fig 9. Maximum Drain Current vs.
1
1E-006
25
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
D = 0.50
0.20
Case Temperature
0.10
0.05
0.02
50
0.01
T C , Case Temperature (°C)
75
SINGLE PULSE
( THERMAL RESPONSE )
LIMITED BY PACKAGE
1E-005
100
125
150
t 1 , Rectangular Pulse Duration (sec)
0.0001
175
Fig 10. Threshold Voltage vs. Temperature
τ
J
τ
2.5
2.0
1.5
1.0
0.5
0.0
J
τ
1
Ci= τi/Ri
τ
1
Ci
-75 -50 -25
0.001
i/Ri
R
1
R
1
τ
2
R
τ
2
2
R
T J , Temperature ( °C )
2
0
τ
C
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
IRLR/U7843
τ
25
Ri (°C/W)
50
0.01
0.5084
0.5423
I D = 250µA
75
100 125 150 175
τi (sec)
0.000392
0.011108
5
0.1