PI3311-01-LGIZ Datasheet, PDF (11/26 Pages) Vicor Corporation – 8V to 36Vin, 15A Cool-Power ZVS Buck Regulator

PI33XX-X1
PI3318-X1 (1.8 Vout) Electrical Characteristics
Efficiency at 25°C
100
95
90
85
80
75
70
65
8Vin
60
12V in
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
331801
Short Circuit Test
Transient Response: 7A to 15A, at 5A/µs
24Vin to 1.8Vout, Cout = 8X 100µF Ceramic
Vout (Ch3) = 100mV/Div, Iin (Ch4) = 10A/Div, 80us/Div
331802
Output Ripple: 24Vin, 1.8Vout at 15A
Vout (Ch3) = 500mV/Div, Iin (Ch2) = 1A/Div, 1ms/Div
331803
Switching Frequency vs. Load Current
600
500
400
300
200
8Vin
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)
331805
Cout = 8X 100µF Ceramic, Vout = 20mV/Div, 2.0us/Div
331804
Output ripple: 24Vin, 1.8Vout at 7.5A
Cout = 8X 100µF Ceramic, Vout = 20mV/Div, 2.0us/Div
331806
vicorpower.com
800 735.6200
Rev 1.3
09/2015
Cool-Power^®
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