The PWR12XX Series offers a broad line of low-cost, highperformance, unregulated, single and dual output DC/DC
converters in a 24-pin DIP package. These miniature
converters offer better performance and lower cost in
industry-standard packages and pinouts. The PWR12XX
Series is internally filtered. No external parts are necessary.
Surface mounted components and a low thermal resistance
encapsulant allow for superior reliability, excellent thermal
dissipation, and an extended temperature range of –25°C
to +85°C at no extra cost.
The PWR12XX Series is ideal for use on high-density PC
boards where isolated, unregulated, power is needed.
Standoffs allow for PC board cleaning, helping preserve
isolation. They also allow for visual inspection of solder
joints.
MECHANICAL
TOP VIEW
.805+0.010
(20.45)
MATERIAL: Units are encapsulated in a low thermal resistance
molding compound which has excellent chemical resistance, wide
operating temperature range, and good electrical properties under
high humidity environments. The encapsulant and outer shell of the
unit have UL94V-0 ratings. Lead material is brass with a solder plated
surface to allow ease of solderability.
Internal Power Dissipation .................................................................. 1.3W
Lead Temperature (soldering, 10 seconds max) ............................ +300°C
ORDERING INFORMATION
APPLICATION NOTES
UNBALANCED LOADS
Unbalanced loads may be used on dual output models
with either side providing up to its rated current. Output
voltages, by design, will track each other in an unbalanced state within ±10% of one another.
PWR 12XX
Device Family
PWR indicates DC/DC converter
Model Number
Selected from Table of Electrical Characteristics
TYPICAL PERFORMANCE CURVES
TA = +25°C, Rated Input Voltage, Rated Output Current unless otherwise noted.
OUTPUT NOISE
Output noise can be reduced to 30mVp-p, typically, by
adding a 10µF tantalum capacitor with an equivalent
series resistance (ESR) of less than 150mW at 10kHz
across each output.
PWR12XX 11/98 REV CPage 3
Page 4
TYPICAL PERFORMANCE CURVES
TA = +25°C, Rated Input Voltage, Rated Output Current unless otherwise noted.
Any data, prices, descriptions or specifications presented herein are subject to revision by C&D Technologies, Inc. without notice. While such information is believed to be accurate as indicated herein, C&D
Technologies, Inc. makes no warranty and hereby disclaims all warranties, express or implied, with regard to the accuracy or completeness of such information. Further, because the product(s) featured herein
may be used under conditions beyond its control, C&D Technologies, Inc. hereby disclaims all warranties, either express or implied, concerning the fitness or suitability of such product(s) for any particular use or
in any specific application or arising from any course of dealing or usage of trade. The user is solely responsible for determining the suitability of the product(s) featured herein for user’s intended purpose and in
user’s specific application. C&D Technologies, Inc. does not warrant or recommend that any of its products be used in any life support or aviation or aerospace applications.
PWR12XX 11/98 REV CPage 4
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