MQFL-28E-09S Datasheet, PDF (5/17 Pages) SynQor Worldwide Headquarters – HIGH RELIABILITY DC-DC CONVERTER

Technical Specification
MQFL-28E-09S
Output: ^9V
Current: ^13A
100
95
90
85
80
75
70
16 Vin
28 Vin
65
40 Vin
70 Vin
60
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at Tcase=25°C.
22
20
18
16
14
12
10
8
6
16 Vin
4
28 Vin
40 Vin
2
70 Vin
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Load Current (A)
Figure 3: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at Tcase=25°C.
100
95
90
85
80
75
70
16 Vin
28 Vin
65
40 Vin
70 Vin
60
-55ºC
25ºC
Case Temperature (ºC)
125ºC
Figure 2: Efficiency at nominal output voltage and 60% rated power vs.
case temperature for input voltage of 16V, 28V, 40V ,and 70V.
20
18
16
14
12
10
8
6
16 Vin
4
28 Vin
40 Vin
2
70 Vin
0
-55ºC
25ºC
Case Temperature (ºC)
125ºC
Figure 4: Power dissipation at nominal output voltage and 60% rated
power vs. case temperature for input voltage of 16V, 28V, 40V ,and 70V.
16
150
14
120
12
10
90
8
6
4
2
0
25
60
Tmax = 105ºC, Vin = 70
Tmax = 105ºC, Vin = 50
Tmax = 105ºC, Vin = 28
Tmax = 125ºC, Vin = 70
Tmax = 125ºC, Vin = 50
30
Tmax = 125ºC, Vin = 28
Tmax = 145ºC, Vin = 70
Tmax = 145ºC, Vin = 50
Tmax = 145ºC, Vin = 28
0
35 45 55 65 75 85 95 105 115 125 135 145
Case Temperature (ºC)
Figure 5: Output Current / Output Power derating curve as a
function of Tcase and the Maximum desired power MOSFET junction
temperature (see Note 14).
11
10
9
8
7
6
5
4
3
2
1
28 Vin
0
0
2
4
6
8
10
12
14
16
18
Load Current (A)
Figure 6: Output voltage vs. load current showing typical current
limit curves.
Product # MQFL-28E-09S
Phone [phone]
www.synqor.com
Doc.# 005-0005148 Rev. 2
02/20/09
Page 5