TM
Prelim. Specification
HBO80A-48-2.5
48Vin 2.5Vout 80A
Electrical Specification
Typical test data at Ta=25°C, Vin=48V unless otherwise noted.
PARAMETER
NOTES
MIN
TYP
MAX
UNIT
Absolute maximum rating
Input voltage
Operating case temperature
Storage temperature
Humidity
0
-40
-40
80
100
105
95
V
°C
°C
%
Input characteristics
Operating input voltage range
Turn on voltage threshold
Turn off voltage threshold
36
35
34
75
35.8
34.8
V
V
V
35.4
34.4
6
Off converter input current
36Vin
mA
Output char acteristics
Output voltage
HBO80A-48-2.5 or HBO80A-48-2.5N
Line regulation
36-75Vin, no load to full load
36-75Vin,
2.47
2.50
0.2
2.53
0.3
V
%
Load regulation
36-75Vin, 10~100% load
0.2
0.3
%
Output current
HBO80A-48-2.5 or HBO80A-48-2.5N
Output voltage trim range
0
100
+10
100
140
A
Percentage of normal output
-10
%
mV(pk-pk)
%
Output voltage ripple and noise
Output over power protection
20Mz bandwidth, 100% Load, 48Vin
70
110
115
120
Over-voltage protection
Over-temperature protection
Temperature coefficient
130
110
±0.05
%
°C
%/°C
105
Output dynamic characteristics
Startup time
5% to 95% of the output voltage
25% load change (2.0A/us)
25% load change (2.0A/us)
10
20
500
400
ms
ms
Transient recovery time
Transient Peak
300
300
mv
Efficiency
HBO80A-48-2.5 or HBO80A-48-2.5N
88
%
Isolation characteristics
Isolation voltage(primary to secondary) 1minute
1500
1000
1000
VDC
VDC
VDC
Isolation voltage (primary to case)
Isolation voltage (secondary to case)
1minute
1minute
Isolation resistance
500VDC, Primary to secondary
1minute
10
MW
Isolation voltage (secondary to case)
Feature Characteristics
Switching frequency
1000
300
VDC
280
320
KHz
ON/OFF control (Positive logic)
Converter On
2.5
-1.0
7
0.5
V
V
Converter Off
HBO80A-48-2.5
ON/OFF control (Negative logic)
Converter On
-1.0
2.5
0.5
7
V
V
Converter Off
HBO80A-48-2.5N
Calculated MTBF
Weight
Bellcore @ 50°C
3,000,000
51
Hrs
g
Broadband TelCom Power, Inc. 1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
P 3 of 8
Tel.: 714-259-4888 • Fax: 714-259-0840 • www.btcpower.com • Email: sales@btcpower.com • PS HBO80A-48-2.5 Rev1.2 12-8-03
BTCPOWER [ BROADBAND TELCOM POWER, INC. ]
