Prelim. Specification
HBO70A-48-3.3
48Vin
3.3Vout 70A
BTCPower
TM
Electrical Specification
Typical test data at Ta=25°C, Vin=48V unless otherwise noted.
PARAMETER
Absolute maximum rating
Input voltage
Operating case temperature
Storage temperature
Humidity
Input characteristics
Operating input voltage range
Turn on voltage threshold
Turn off voltage threshold
Off converter input current
Output characteristics
Output voltage
HBO70A-48-3.3 or HBO70A-48-3.3N
Line regulation
Load regulation
Output current
HBO70A-48-2.5 or HBO70A-48-2.5N
Output voltage trim range
Output voltage ripple and noise
Output over power protection
Over-voltage protection
Over-temperature protection
Temperature coefficient
Output dynamic characteristics
Startup time
Transient recovery time
Transient Peak
Efficiency
HBO70A-48-3.3 or HBO70A-48-3.3N
Isolation characteristics
Isolation voltage(primary to secondary)
Isolation voltage (primary to case)
Isolation voltage (secondary to case)
Isolation resistance
Isolation voltage (secondary to case)
NOTES
MIN
0
-40
-40
TYP
MAX
80
100
105
95
75
35.8
34.8
UNIT
V
°C
°C
%
V
V
V
mA
36
35
34
36Vin
35.4
34.4
6
36-75Vin, no load to full load
36-75Vin,
36-75Vin, 10~100% load
2.47
2.50
0.2
0.2
2.53
0.3
0.3
70
+10
V
%
%
A
%
mV(pk-pk)
%
%
°C
%/°C
ms
µs
mv
%
VDC
VDC
VDC
MΩ
0
Percentage of normal output
20Mz bandwidth, 100% Load, 48Vin
110
115
105
-10
70
120
100
140
130
110
±0.05
20
500
400
5% to 95% of the output voltage
25% load change (2.0A/us)
25% load change (2.0A/us)
10
300
300
88
1minute
1minute
1minute
500VDC, Primary to secondary
1minute
10
1500
1000
1000
1000
VDC
Feature Characteristics
Switching frequency
ON/OFF control (Positive logic)
Converter On
Converter Off
ON/OFF control (Negative logic)
Converter On
Converter Off
Calculated MTBF
Weight
280
2.5
-1.0
-1.0
2.5
3,000,000
51
300
320
7
0.5
0.5
7
KHz
V
V
V
V
Hrs
g
HBO70A-48-3.3
HBO70A-48-3.3N
Bellcore @ 50°C
Broadband TelCom Power, Inc.
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
P
3 of 7
Tel.: 714-259-4888 • Fax: 714-259-0840 • www.btcpower.com • Email: sales@btcpower.com •
PS HBO70A-48-3.3 Rev1 9-15-03
BTCPOWER [ BROADBAND TELCOM POWER, INC. ]
