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PI3318-01-LGIZ Datasheet, PDF (14/26 Pages) Vicor Corporation – 8V to 36Vin, 15A Cool-Power ZVS Buck Regulator
PI33XX-X1
PI3312-X1 (2.5 Vout) Electrical Characteristics
Efficiency at 25°C
100
95
90
85
80
75
70
65
8Vin
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
331201
Transient Response: 7.5A to 15A, at 5A/µs
24Vin to 2.5Vout, Cout = 8 x 100µF Ceramic
331202
Vout (Ch1) = 200mV/Div, Iout (Ch4) = 5A/Div, 200us/Div
Short Circuit
Output Ripple: 24Vin, 2.5Vout at 15A
Vout (Ch1) = 1V/Div, Iin (Ch4) = 1A/Div, 800us/Div
331203
Switching Frequency vs. Load Current
700
600
500
400
300
8Vin
200
12V in
100
24V in
36V in
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Load Current (A)
331205
Vout = 50mV/Div, 4.0us/Div, Cout = 8 x 100µF Ceramic 331204
Output Ripple: 24Vin, 2.5Vout at 7.5A
Vout = 50mV/Div, 4.0us/Div, Cout = 8 x 100µF Ceramic
331206
vicorpower.com
800 735.6200
Rev 1.3
09/2015
Cool-Power®
Page 14 of 26