MQFL-28-05S
Output:
Current:
5.0 V
24 A
Technical Specification
100
95
90
85
80
75
70
65
60
100
95
90
85
80
75
70
65
60
16 Vin
28 Vin
40 Vin
16 Vin
28 Vin
40 Vin
-55ºC
25ºC
Case Temperature (ºC)
125ºC
0
4
8
12
16
20
24
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for min-
Figure 2: Efficiency at nominal output voltage and 60% rated power vs.
imum, nominal, and maximum input voltage at TCASE=25
°C.
case temperature for input voltage of 16V, 28V, and 40V.
20
18
16
14
12
10
8
20
18
16
14
12
10
8
6
6
16 Vin
28 Vin
40 Vin
16 Vin
4
4
28 Vin
2
2
40 Vin
0
0
0
4
8
12
16
20
24
-55ºC
25ºC
125ºC
Load Current (A)
Case Temperature (ºC)
Figure 3: Power dissipation at nominal output voltage vs. load current
Figure 4: Power dissipation at nominal output voltage and 60% rated
for minimum, nominal, and maximum input voltage at TCASE=25
°
C.
power vs. case temperature for input voltage of 16V, 28V, and 40V.
6
5
4
3
2
32
28
24
20
16
12
160
140
120
100
80
60
8
4
0
40
= 105ºC
= 125ºC
= 145ºC
Tj
Tj
Tj
max
max
max
1
20
28 V
0
0
25
45
65
85
105
125 135 145
0
5
10
15
20
25
30
35
Case Temperature (ºC)
Load Current (A)
Figure 5: Output Current / Output Power derating curve as a function
of T and the Maximum desired power MOSFET junction tempera-
Figure 6: Output voltage vs. load current showing typical current limit
curves.
CASE
ture at Vin = 28V (see Note 14).
Product # MQFL-28-05S
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2MQ050S Rev. C
1/21/08
Page 5
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