GHBW53V08 OPERATION
Efficiency
Power Dissipation
95
94
93
92
91
90
89
88
87
86
85
35
30
25
20
15
10
5
38V Vin
42V Vin
48V Vin
38V Vin
42V Vin
48V Vin
0
1
2
3
4
5
6
7
8
0
0
1
2
3
4
5
6
7
8
Output Current (A)
Output Current (A)
Output Enable
Output Enable
Conditions: Vin = 42V, Iout = 8A
Conditions: Vin = 42V, Iout = 0A
CH2
CH1
CH2
CH1
1) Vout 10V/div 10mS/div
2) Enable 2V/div
1) Vout 10V/div 10mS/div
2) Enable 2V/div
Line/Load Regulation
Overvoltage Protection
Conditions: Vin = 42V, Iout =1A
54.0
70
60
50
40
30
20
10
53.8
53.6
53.4
53.2
53.0
52.8
52.6
52.4
52.2
52.0
38V Vin
42V Vin
48V Vin
0
1
2
3
4
5
6
7
8
Output Current (A)
-10
0
2
4
6
8
10 12 14 16 18 20
Time (ms)
Part No. 02-GHB-03 Rev. 0.94– 031605
WWW.GALAXYPWR.COM
GHBW53V08 – 5
Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 Telephone: 508-870-9775 Fax: 508-870-9796 e-mail: info@galaxypwr.com