TM
3B Series
7.5W Wide Input DC-DC Converters
Specifications
Input Specifications:
General Specifications :
Input Voltage Range…………….………12V………………...…9-18V
24V…………………..18-36V
Efficiency………………………………………………..……...see table
Isolation Resistance………………………………………….100Mohm
Switching Frequency……………………………………..100 KHz, min.
Operating Temperature Range…………………………-25º C ~ +71º C
Case Temperature………………………………………….100 º C max.
Cooling……………………………………………….Free air convection
Storage Temperature Range……………………..…..-40 º C ~ +100º C
Isolation Voltage………………………….………………1500VDC min.
Dimensions………….……..…2” x 1” x 0.4 “(50.8 x 25.4 x 10.2 mm)
Case Material…….Black Coated Copper with Non-conducted base
48V……………………36-72V
Input Filter………………………………………………………..Pi Type
Output Specifications:
Voltage Accuracy……………..………………………….+/- 2.0 % max.
Voltage Balance ( Dual )………………………………...+/- 1.0 % max.
Ripple & Noise, 20 MHz BW………3.3V / 5V……. 100 mV p-p max.
12V / 15V……….…1 % p-p max.
Temperature Coeffcient………………………… +/- 0.05 % /º C max.
Short Circuit Protection………………………………..……Continuous
Line Regulation ¹ Single / Dual Output………….……..+/- 0.5 % max.
Load Regulation ² Single …… …………….……….….+/- 0.5 % max
Dual Output³……………………..……….….+/- 0.1 % max.
Note:
1. Measured from high line to low line;
2. Measured from full load to 10% load;
3. Measured from full load to ¼ load.
Outline Information and Pin-out
PIN CONNECTION
Pin
1
Function
+ Input
2
- Input
3
+ Output
Common / NP
- Output
4
5
* NP---No Pin
All dimensions are in inches [mm]
The information and specifications contained in this brief are believed to be accurate and reliable at the time of publication. Specifications are
subject to change without notice. Refer to product specification sheet for performance characteristics and application guidelines.
Broadband TelCom Power, Inc. – 1719 S. Grand Avenue, Santa Ana, CA 92705 U.S.A.
Tel.: 714-259-4888 • Fax: 714-259-0840• www.btcpower.com • Email: sales@btcpower.com DS LP 3B Rev2 16-1-04