PI2126 Datasheet, PDF (9/15 Pages) Vicor Corporation – 30 Volt, 12 Amp Full-Function Active ORing Solution

EOL
Thermal Characteristics:
150
Air Flow = 0LFM
140
R_DS(on)=6.0mΩ @ 25°C
130
RθJA = 46°C/W
120
110
TA = 100°C
100
TA = 90°C
90
TA = 80°C
80
70 ^{TA = 70°C}
60 ^{TA = 60°C}
TA = 50°C
50
0 1 2 3 4 5 6 7 8 9 10 11 12
Input Current [A]
Figure 13: Junction Temperature vs. Input Current (0LFM)
13
12
11
10
9
RθJA = 46°C/W at 0LFM
RθJA = 33°C/W at 200LFM
8
150
Air Flow = 200LFM
140
130 ^{RDS(on)=6.0mΩ @ 25°C}
RθJA = 33°C/W
120
110
TA = 100°C
100
90 ^{TA = 90°C}
TA = 80°C
80
70 ^{TA = 70°C}
60 ^{TA = 60°C}
50 ^{TA = 50°C}
0 1 2 3 4 5 6 7 8 9 10 11 12
Input Current [A]
Figure 14: Junction Temperature vs. Input Current (200LFM)
200LFM, R_DS(on)=4.5mΩ
0LFM, _RDS(⁰_on^L₎^F=M6.,0R2m_D⁰_SΩ(⁰_o^L_n)^F=M4,.5Rm_{DS(Ωon) =6.0mΩ}
7
50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125
Ambient Temperature [°C ]
Figure 15: PI2126 input current de-rating based on maximum T_J=150°C vs. ambient temperature
MOSFET
PI2126
Figure 16: Thermal image of PI2126 mounted on PI2126-EVAL1Thermal Image picture, Iout=12A, T_A=25°C, Air Flow=0LFM
Note that the MOSFET R_DS(on) of PI2126 under test is 4.1mΩ at T_A=25°C
Picor Corporation • picorpower.com
PI2126
Rev 1.1
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