IRF7862PBF_15 Datasheet, PDF (5/9 Pages) International Rectifier – Synchronous MOSFET for Notebook Processor Power

IRF7862PbF
25
20
15
10
5
0
25
50
75
100 125 150
TA , Ambient Temperature (°C)
Fig 9. Maximum Drain Current vs.
Ambient Temperature
2.5
2.3
2.0
1.8
ID = 250µA
1.5
1.3
1.0
-75 -50 -25 0 25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 10. Threshold Voltage vs. Temperature
100
D = 0.50
10
0.20
0.10
0.05
1
0.02
0.01
0.1
SINGLE PULSE
( THERMAL RESPONSE )
0.01
0.001
0.0001
1E-006
R _{1R 1}
R_2R2
R _{3R 3}
R _{4R 4}
Ri (°C/W) τi (sec)
τ_{J τJ}
τ_{1 τ1}
τ_AτA 1.242
0.000172
τ_{2 τ2}
τ_{3 τ3}
τ_{4 τ4}
4.759 0.031397
28.506 1.2211
Ci= τi/Ri
Ci= τi/Ri
15.507 44.5
1E-005
0.0001
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
P_DM
t1
t₂
Notes:
1. Duty factor D = t1 / t 2
2. Peak T_J = P _DM x Z _thJA + T_A
1
10
100
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient
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