MBRD1035CTL View Datasheet(PDF) - Motorola => Freescale
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MBRD1035CTL Datasheet PDF : 6 Pages
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8.0
dc
7.0
SQUARE WAVE
6.0
(50% DUTY CYCLE)
5.0
Ipk/Io = p
4.0
Ipk/Io = 5
3.0
Ipk/Io = 10
2.0
Ipk/Io = 20
1.0
freq = 20 kHz
0
0
20
40
60
80 100 120 140
TL, LEAD TEMPERATURE (°C)
Figure 5. Current Derating Per Leg
MBRD1035CTL
4.0
SQUARE WAVE
3.5
(50% DUTY CYCLE) dc
3.0
Ipk/Io = p
2.5
Ipk/Io = 5
2.0
Ipk/Io = 10
1.5 Ipk/Io = 20
1.0
0.5
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
IO, AVERAGE FORWARD CURRENT (AMPS)
Figure 6. Forward Power Dissipation Per Leg
1000
100
10
0
TJ = 25°C
5
10
15
20
25
VR, REVERSE VOLTAGE (VOLTS)
Figure 7. Capacitance Per Leg
125
RqJA = 2.43°C/W
115
105
RqJA = 48°C/W
RqJA = 25°C/W
95
RqJA = 67.5°C/W
85
75
RqJA = 84°C/W
65
0
5
10
15
20
25
30
35
VR, DC REVERSE VOLTAGE (VOLTS)
Figure 8. Typical Operating Temperature
Derating Per Leg *
* Reverse power dissipation and the possibility of thermal runaway must be considered when operating this device under any re-
verse voltage conditions. Calculations of TJ therefore must include forward and reverse power effects. The allowable operating
TJ may be calculated from the equation:
TJ = TJmax – r(t)(Pf + Pr) where
r(t) = thermal impedance under given conditions,
Pf = forward power dissipation, and
Pr = reverse power dissipation
This graph displays the derated allowable TJ due to reverse bias under DC conditions only and is calculated as TJ = TJmax – r(t)Pr,
where r(t) = Rthja. For other power applications further calculations must be performed.
Rectifier Device Data
3
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