irlr9343 International Rectifier Corp., irlr9343 Datasheet - Page 4

• Manufacturer Part Number: irlr9343
• Description: -55v Single P-channel Hexfet Power Mosfet In A I-pak Package
• Manufacturer: International Rectifier Corp.

Fig 7. Typical Source-Drain Diode Forward Voltage
Fig 9. Maximum Drain Current vs. Case Temperature
4
100.0
20
16
12
10.0
8
4
0
1.0
0.1
25
0.2
0.001
0.01
0.1
10
1
0.4
1E-006
50
T J = 175°C
-V SD , Source-to-Drain Voltage (V)
T J , Junction Temperature (°C)
0.6
D = 0.50
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
75
0.8
0.20
0.10
0.05
0.02
0.01
T J = 25°C
1.0
100
SINGLE PULSE
( THERMAL RESPONSE )
1.2
1E-005
125
1.4
V GS = 0V
1.6
150
1.8
t 1 , Rectangular Pulse Duration (sec)
175
2.0
0.0001
τ
J
τ
J
τ
1
Ci= τi/Ri
τ
1
Ci
0.001
i/Ri
R
1
R
Fig 10. Threshold Voltage vs. Temperature
1
2.5
2.0
1.5
1.0
1000
100
τ
10
2
1
τ
-75 -50 -25
R
2
2
Fig 8. Maximum Safe Operating Area
R
1
2
Tc = 25°C
Tj = 175°C
Single Pulse
τ
C
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
τ
-V DS , Drain-toSource Voltage (V)
Ri (°C/W)
T J , Temperature ( °C )
0.01
1.162
0.7370
0
OPERATION IN THIS AREA
LIMITED BY R DS (on)
10
25
50
τi (sec)
0.000512
0.002157
75
10msec
1msec
I D = -250µA
100µsec
100
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100 125 150 175
0.1
1000