NQ04W33SKA10 Datasheet, PDF (5/13 Pages) SynQor Worldwide Headquarters – SMT Surface Mount

Technical Specification
Input: 2.4 - 6.0V
Outputs: 0.75 - 3.6V
Current: 10A
Package: SMT
100
95
90
85
80
75
3.3 Vout
70
1.8 Vout
0.75 Vout
65
0
2
4
6
8
10
12
14
16
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for nom-
inal input voltage at 25°C.
4.0
3.5
3.0
2.5
2.0
1.5
1.0
3.3 Vout
1.8 Vout
0.5
0.75 Vout
0.0
0
2
4
6
8
10
12
14
16
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current
for nominal input voltage at 25°C.
18
16
14
12
10
8
6
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
4
200 LFM (1.0 m/s)
2
100 LFM (0.5 m/s)
6 layers 2oz cu board
0
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 3: Maximum output power derating curves for 0.75Vo, 1.2Vo
units under various thermal conditions and nominal input voltage. See
Thermal Considerations section for more details.
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 4: Thermal plot of 0.75Vo, 1.2Vo converters at nominal Vin and
16 amp load current mounted on a 85°C, 6-Layer, 2 oz. copper board
(typical installation).
18
16
14
12
10
8
6
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
4
200 LFM (1.0 m/s)
2
100 LFM (0.5 m/s)
6 layers 2oz cu board
0
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 5: Maximum output power derating curves for 1.5Vo, 1.8Vo
units under various thermal conditions and nominal input voltage. See
Thermal Considerations section for more details.
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 6: Thermal plot of 1.5Vo, 1.8Vo converters at nominal Vin and
16 amp load current mounted on a 85°C, 6-Layer, 2 oz. copper board
(typical installation).
Product # NQ04W33SKA10
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Doc.# 005-2NK4S3E Rev. A 11/26/07
Page 5