QHW075Y1 Lineage Power, QHW075Y1 Datasheet - Page 5

• Manufacturer Part Number: QHW075Y1
• Description: CONVERTER DC/DC 1.8V 27W OUT
• Manufacturer: Lineage Power
• Series: QHWr
• Type: Isolated with Remote On/Offr

Specifications of QHW075Y1

• Output: 1.8V
• Number Of Outputs: 1
• Power (watts): 27W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 8-DIP Module
• 1st Output: 1.8 VDC @ 15A
• Size / Dimension: 2.28" L x 1.45" W x 0.50" H (57.9mm x 36.8mm x 12.7mm)
• Power (watts) - Rated: 27W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 82%
• Approvals: CE, CSA, UL, VDE
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• 3rd Output: -
• 2nd Output: -
• 4th Output: -

April 2008
Characteristic Curves
The following figures provide typical characteristics for the power modules.
Figure 1. Typical QHW050Y1 Input Characteristics
Figure 2. Typical QHW075Y1 Input Characteristics
Lineage Power
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25
25
at Room Temperature
at Room Temperature
30
30
35
35
40
40
INPUT VOLTAGE, V
INPUT VOLTAGE, V
45
45
dc-dc Converters: 36 to 75 Vdc Input, 1.8 Vdc Output; 18 W to 36 W
I
I
I
50
50
O
O
O
= 15 A
= 7.5 A
= 1.5 A
I
I
I
O
O
O
55
55
= 10 A
= 5 A
= 1 A
I
I
60
60
(V)
(V)
65
65
70
70
1-0021
1-0022
75
75
Figure 3. Typical QHW100Y1 Input Characteristics
Figure 4. Typical QHW050Y1 Converter Efficiency
1.6
1.4
1.2
0.8
0.6
0.4
0.2
90
80
70
60
50
40
30
1
0
0
0
at Room Temperature
vs. Output Current at Room Temperature
V
I
1
10
= 75 V
2
V
20
I
INPUT VOLTAGE, V
= 48 V
3
OUTPUT CURRENT, I
V
I
30
4
= 36 V
40
5
6
50
I
7
(V)
O
60
8
(A)
I
I
I
O
O
O
70
= 20 A
= 10 A
= 2 A
9
8-3461(F)
10
80
1-0023
5