Prelim. Specification
HBO70A-48-3.3
48Vin
3.3Vout 70A
BTCPower
CONVERTER SELECTION
TM
Typical @ T
a
=+25°C under nominal line voltage and 75% load conditions, unless noted.
Model
Part Number
Voltage (Volts)
Nominal
48
Range
36-75
Input
Current (A)
No load
0.1
Full load
5.46
Output
Voltage
(Volts)
3.3
Current
(Amps)
70
Efficiency
75% Load
(%)
88
Positive Logic
HBO70A-48-3.3
Negative Logic
HBO70A-48-3.3N
For encapsulated (epoxy enclosed) models, replace “HBO” in part no. with “HBP”.
Consult factory for other output voltage configurations.
Outline and Pin-out Information
Pin Connection
Pin#
Function
1
2
3
4
5
6
7
8
9
Vin +
On/Off
Case
Vin -
Vout -
Sense -
Trim
Sense +
Vout +
All dimensions are in inches [mm]
Pin 5 and 9 are dia. 0.08 [2.03]
All other pins are all dia. 0.040 [1.02]
Pin material: Brass
Pin finish: Tin/Lead plated
Heat spreader (baseplate) material: Aluminum
Weight: 60.5g
Tolerance
Inches
•XX
±
0.020
•XXX
±
0.010
Pin:
±
0.002
Millimeters
•X
±
0.5
•XX
±
0.25
±
0.05
The information and specifications contained in this specification are believed to be accurate and reliable at the time
of publication. Specifications are subject to change without notice.
Broadband TelCom Power, Inc.
1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
P
2 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. ]
