PI3749-X0 Datasheet, PDF (12/26 Pages) Vicor Corporation – 16V to 34VIN, 12V to 28VOUT, 240W Cool-Power ZVS Buck-Boost

Efficiency & Power Loss TA = 25°C ^[7]
PI3749-x0
Safe Operating Area TA = 25°C ^[7]
98
97.5
97
96.5
96
95.5
95
15
20
25
30
V_IN (V)
Efficiency
Power Dissipation
4.5
4
3.5
3
2.5
2
1.5
35
Figure 12 — 12V_OUT Efficiency and Power Dissipation at 7A over
input Voltage Range
99
98
97
96
95
94
93
92
91
15
20
25
30
V_IN (V)
Efficiency
Power Dissipation
5
4.5
4
3.5
3
2.5
2
1.5
1
35
Figure 13 — 24V_OUT Efficiency and Power Dissipation at 7A over
input Voltage Range
14
200
13
180
12
160
11
140
10
120
9
100
8
80
7
60
6
40
5
20
4
0
12 14 16 18 20 22 24 26 28 30 32 34
V_OUT (V)
I_OUT
Current Limit
P_OUT
Figure 15 — Power and current output at 34V_IN
12
300
11
250
10
200
9
150
8
100
7
50
6
0
12 14 16 18 20 22 24 26 28 30 32 34
V_OUT (V)
I_OUT
Current Limit
P_OUT
Figure 16 — Power and current output at 24V_IN
98.6
98.4
98.2
98
97.8
97.6
97.4
97.2
97
96.8
15
20
25
30
V_IN (V)
Efficiency
Power Dissipation
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
35
Figure 14 — 28V_OUT Efficiency and Power Dissipation at 6A over
input Voltage Range
Cool-Power^® ZVS Switching Regulators
Page 12 of 26
Rev 1.6
09/2016
10
250
Safe Operating Area (SOA)
9
200
8
150
7
100
6
50
5
0
12 14 16 18 20 22 24 26 28 30 32 34
V_OUT (V)
I_OUT
Current Limit
P_OUT
Figure 17 — Power and current output at V_IN less than 24
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