YNM12S05 DC-DC Converter Data Sheet
9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 5 A
6
5
4
6
5
4
3
2
1
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
3
2
1
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
0
20
30
40
50
60
70
80
90
0
20
30
40
50
60
70
80
90
Ambient Temperature [°C]
Fig. 3.3V.1: Available load current vs. ambient temperature
and airflow rates for Vout = 3.3 V converter mounted
vertically with Vin = 12 V, and maximum MOSFET
temperature ? 120 ? C.
1.0
Ambient Temperature [°C]
Fig. 3.3V.2: Available load current vs. ambient temperature
and airflow rates for Vout = 3.3 V converter mounted
horizontally with Vin = 12 V, and maximum MOSFET
temperature ? 120 ? C.
3.0
2.5
0.9
2.0
0.8
1.5
0.7
14 V
12 V
9.6 V
1.0
14 V
12 V
9.6 V
0.5
0.6
0
1
2
3
4
5
6
0.0
0
1
2
3
4
5
6
Load Current [Adc]
Load Current [Adc]
?
Fig. 3.3V.3: Efficiency vs. load current and input voltage for
Vout = 3.3 V converter mounted vertically with air flowing at a
rate of 200 LFM (1 m/s) and Ta = 25 ? C.
Fig. 3.3V.4: Power Loss vs. load current and input voltage for
Vout = 3.3 V converter mounted vertically with air flowing at a
rate of 200 LFM (1 m/s) and Ta = 25 ? C.
MCD10192 Rev. 1.0, 21-Jun-10
Page 10 of 24
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