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PI33XX Datasheet, PDF (11/42 Pages) Vicor Corporation – 8V to 36Vin Cool-Power ZVS B uck Regulator Family
PI33XX-X0
PI3318-X0 (1.8 Vout) Electrical Characteristics
Efficiency at 25°C
100
95
90
85
80
75
70
65
60
55
50
01234567
Load Current (A)
Regulator and inductor performance
8Vin
12V in
24V in
36V in
8 9 10
331801
Transient Response: 2A to 7A, at 5A/µs
24Vin to 1.8Vout
Cout = 6X 100µF Ceramic
331802
Short Circuit Test
Output Ripple: 24Vin, 1.8Vout at 10A
331803
Switching Frequency vs. Load Current
700
600
500
400
300
200
100
0
1
8Vin
12Vin
24Vin
36Vin
2345678
Load Current (A)
9 10
331805
vicorpower.com
800 735.6200
Vout = 50mV/Div, 2.0us/Div
Cout = 6X 100µF Ceramic
Output ripple: 24Vin, 1.8Vout at 5A
331804
Vout = 50mV/Div, 2.0us/Div
Cout = 6X 100µF Ceramic
Rev 1.4
11/2012
331806
Cool-Power®
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