PI3311-21-LGIZ Datasheet, PDF (17/26 Pages) Vicor Corporation – 8V to 36Vin, 15A Cool-Power ZVS Buck Regulator

PI33XX-X1
PI3301-X1 (3.3 Vout) Electrical Characteristics
Efficiency at 25°C
100
95
90
85
80
75
70
8Vin
65
12V in
60
24V in
55
36V in
50
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Load Current (A)
Regulator and inductor performance
330101
Transient Response: 7.5 to 15A, at 5A/µs
24Vin to 3.3Vout, Cout = 8 x 100µF Ceramic
330102
Vout (Ch1) = 200mV/Div, Iout (Ch4) = 5A/Div, 200us/Div
Short Circuit
Output Ripple: 24Vin, 3.3Vout at 15A
Vout (Ch1) = 1V/Div, Iout (Ch4) = 1A/Div, 800us/Div
330103
Switching Frequency vs. Load Current
800
700
600
500
400
300
8Vin
12V in
200
24V in
100
36V in
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Load Current (A)
330105
Vout = 50mV/Div, 2.0us/Div, Cout = 8 x 100µF Ceramic 330104
Output Ripple: 24Vin, 3.3Vout at 7.5A
Vout = 50mV/Div, 2.0us/Div, Cout = 8 x 100µF Ceramic 330106
vicorpower.com
800 735.6200
Rev 1.3
09/2015
Cool-Power^®
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