Technical Specification
SQ100-48-1.5,
SQ100-48-1.5N
SQO100-48-1.5, SQO100-48-1.5N
On/Off Control Power Up/Down
BTCPower
48Vin 1.5Vout 25A
TM
Data Sheet
Figure 12. Turn on timing vs. Input On/Off Pin.
Waveform 2 is output voltage, waveform 4 is negative
On/Off logic signal. At 48v input voltage, 20A output
current with 100uf output capacitance load.
Figure 13. Turn off timing vs. Input On/Off Pin.
Waveform 2 is output voltage, waveform 4 is negative
On/Off logic signal. At 48v input voltage, 20A output
current with 100uf output capacitance load.
Efficiency
95%
90%
85%
Eff. (%)
80%
75%
36V
70%
65%
60%
55%
2.5
5
7.5
10
12.5
15
17.5
20
22.5
25
50V
75V
Load (A)
Figure 14. Efficiency at nominal output voltage vs.
output current for various Input voltage. The unit
mounted on the 0.06” thick PCB with 300LFM air flow
(1.5/m) from pin 3 to pin 4 and Ta=25°C
Broadband TelCom Power, Inc.
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
P
12 of 16
Tel.: 714-259-4888 • Fax: 714-259-0840 • www.btcpower.com • Email: sales@btcpower.com • PS SQ100-48-1.5, SQO100-48-1.5 Rev1 4-2-03
BTCPOWER [ BROADBAND TELCOM POWER, INC. ]
