NQ15W50SGA30 Datasheet, PDF (5/11 Pages) SynQor Worldwide Headquarters – SMT Surface Mount

Technical Specification
Input: 6.0 - 15.0V
Outputs: 0.8 - 5.0V
Current: 30A
Package: SMT
100
95
90
85
80
75
70
5.0 Vout
3.3 Vout
65
1.8 Vout
60
0
3
6
9
12 15 18 21 24 27 30
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
nominal input voltage at 25°C.
12
10
8
6
4
5.0 Vout
2
3.3 Vout
1.8 Vout
0
0
3
6
9
12 15 18 21 24 27 30
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current
for nominal input voltage at 25°C.
35
30
25
20
15
10
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum output power derating curves with nominal output
set to 1.8Vo units under various thermal conditions and nominal input
voltage (P option, see ordering page).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 4: Thermal plot of the converter with nominal Vout set to 1.8Vo
at nominal Vin and 21.2 amp load current mounted on a 55°C, 200
LFM, 6-Layer, 2 oz. copper board (typical installation).
35
30
25
20
15
10
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
5
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 5: Maximum output power derating curves with nominal output
set to 3.3Vo units under various thermal conditions and nominal input
voltage (P option, see ordering page).
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 6: Thermal plot of the converter with nominal Vout set to 3.3Vo
at nominal Vin and 18.4 amp load current mounted on a 55°C, 200
LFM, 6-Layer, 2 oz. copper board (typical installation).
Product # NQ15W50SGA30
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Doc.# 005-2NS163E Rev. C
10/03/08
Page 5