Product Announcement from Polytron Devices, Inc.


SWB3 DC/DC Converter-Image

Polytron Devices, Inc. has recently released for mass production a complete line of 3 Watt DC/DC converters in a SIP package (0.86" X 0.36" X 0.44") This "SWB3" series boasts high efficiency of 82% and on/off control flexibility. These converters are encapsulated and operate without de-rating over their full specified temperature range.

This series is available with a 4:1 input voltage range as follows:
9-36Vdc and 18-72Vdc. Single and Dual output voltages are available as follows: 3.3, 5, 9, 12, +/-5, +/-12, +/-15Vdc.

Pertinent specifications include: continuous short circuit protection and 1600Vdc Isolation. These units are designed for a variety of applications including : wireless network, telecom/datacom, industry control system, measurement and semiconductor equipment. All units are 100% burned in under full load, hi pot tested and final electrical tested prior to shipment.

This series of converters is competitively priced at $19.75 at 1000 quantity.
Average lead time is 4-5 weeks.

Other features include:

All specifications are typical at nominal input, full load, and 25 degrees unless otherwise noted.

Input voltage range …………………………….9-36Vdc
18-72Vdc
Input filter……………………………………….Capacitor Type
Output voltage set point accuracy……………….+/-1%
Ripple and noise, 20MHz BW…………………..75 mV p-p
Line regulation, HL-LL…………………………+/-0.2%
Load regulation, 100% to 10%Full Load……….+/-1%
Efficiency………………………………………..up to 82%
Temperature coefficient…………………..+/-0.1%/degreesC,Max
Short circuit protection……………………..Continuous, automatic recovery
Transient response recovery time, 25% load step change…500uS typ
On-control………………………………………DC-DC ON Open or high impedance
Off-control…………….DC-DC OFF Control pin applied current
Switching frequency…………………………..FL to ML….100KHz, Min.
Isolation Voltage………………………………1600Vdc, Min.
Isolation resistance……………………………10 9 ohms, min.
Operating temperature range………………….-40 to +100° C
Storage temperature range…………………….-55 to 105°C
EMI……………………………………… EN55022.
Case Material…………………Non-conductive black plastic
Dimensions…………………….0.86" X 0.36" X 0.44"

 
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