TM
3A Series
3W DC-DC Converters
Specifications
Efficiency………………………………………………..……..see table
Isolation Resistance…………………………………………..100Mohm
Switching Frequency………………………………….….100 KHz, min.
(for 3A -34H, 100KHz min. frequency at min. load ±30mA)
Input Specifications:
Input Voltage
Range…………….………………..5V……………...……………..10%
12V…………………………..9-18V
24V………………………....18-36V
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………………………….………………..500VDC min.
Suffix “H” Models……………………………………...……3K VDC min.
Dimensions………….……1.25” x 0.8” x 0.4 “(31.8 x 20.3 x 10.2 mm)
Case Material4…………………………..Non-Conductive Black Plastic
Suffix “M” Models(Material)5…………..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 mVp-pmax.
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 Output…………………….….+/- 0.5 % max.
Dual output³…………………………..+/- 1.0 % max.
General Specifications :
Outline Information and Pin-out
PIN CONNECTION
500VDC
Single
Output
+V input
NC
1.5K & 3K VDC
PIN
Dual
Output
PIN
Single
Output
Dual
Output
1
+V input
-V output
Common
NP
1
2
NP
NP
2
-V input
-V input
NC
-V input
-V input
Common
NC
3
NC
3
9
NP
9
10
11
12
13
14
15
16
22
23
24
-V output
+V output
-V input
-V input
+V output
-V output
NP
Common
10
NC
+V output 11
NC
-V output
NP
-V input
-V input
+V output
Common
NP
12
13
14
15
16
22
23
24
NP
NP
NP
+V output
NC
+V output
NC
-V output
+V input
+V input
NP
Common
+V input
+V input
NP
NC
Common
-V output
+V input
NC
Note: 1.
Measured from high line to low line
Measured from full load to 10% load
Measured from full load to ¼ load
+V input
2.
3.
4.
5.
6.
7.
* NP---No Pin
* TP---Test Point
* Go---Ground
Non-conductive black plastic only
* NC---No connection with pin
Suffix “HM” 1.5KVDC Instead of 3KVDC isolation
Dual output models with separated output available
3A-34H can be used in application with up to 350Vdc
working voltage.
All dimensions are in inches [mm]
All pins sizes are dia. 0.02” [0.508mm] and 0.14”[0.35mm] length
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 3A Rev2 16-1-04
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