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IRF8788PBF_15 Datasheet, PDF (5/9 Pages) International Rectifier – Synchronous MOSFET for Notebook Processor Power | |||
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IRF8788PbF
24
20
16
12
8
4
0
25
50
75
100
125
150
TA , Ambient Temperature (°C)
2.5
ID = 250μA
2.0
ID = 100μA
1.5
1.0
-75 -50 -25 0 25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 9. Maximum Drain Current vs.
Ambient Temperature
Fig 10. Threshold Voltage vs. Temperature
100
D = 0.50
10
1
0.1
0.01
1E-006
0.20
0.10
0.05
0.02
0.01
Ri (°C/W) Ïι (sec)
0.0141064 0.000057
0.0210000 0.000286
R1
R2
R3
R4
R5 R6
R7
R8
0.2184000
ÏJ
R1
R2
R3
R4 R5 R6
R7
R8
0.8204000
ÏJ
Ïa 4.7558194
Ï1
Ï1
Ï2
Ï2
Ï3
Ï3
Ï4
Ï4
Ï5
Ï5
Ï6
Ï6
Ï7
Ï7
Ï8
Ï8
0.4648000
28.9076170
0.000375
0.001902
0.004544
0.013931
0.038563
Ci= Ïi/Ri
Ci i/Ri
15.1191958 2.069546
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
1E-005
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
10
100
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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