MBRB4045CTPBF Datasheet, PDF (4/8 Pages) Maxim Integrated Products – SCHOTTKY RECTIFIER

MBRB4045CTPbF, MBR4045CT-1PbF
Bulletin PD-21047 rev. A 07/06
160
140
DC
120
Square Wave (D = 0.50)
Rated Vr Applied
100
see note (2)
80
0 5 10 15 20 25 30
Average Forward Current - I_F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
1000
20
D = 0.75
18 _{D = 0.50}
16 ^{D = 0.33}
14
D = 0.25
D = 0.20
12
10 ^{RMS Limit}
DC
8
6
4
2
0
0 5 10 15 20 25 30 35
Average Forward Current - I_F(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t_p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
(2) Formula used: T_C = T_J - (Pd + Pd_REV) x R_thJC;
Pd = Forward Power Loss = I_F(AV) x V_FM @ (I_F(AV) / D) (see Fig. 6);
Pd_REV = Inverse Power Loss = V_R1 x I_R (1 - D); I_R @ V_R1= rated V_R
4
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