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Product Data Sheet 12 Watt DC-DC Converters
KEY FEATURES
• • • • • • • • • Wide Input Range: 4:1 Efficiencies 78-82% Typical L-C Input Filter Overload/Short Circuit Protection, Overvoltage Protection (Output) Low Profile: 0.375” High (10mm) No Derating to 71° C 2000V Isolation Designed to meet UL60950
APPLICATIONS
• • • Telecommunications Equipment Industrial Control Systems Digital Circuits • •
•
Analog Systems Private Branch Exchange (PBX, PABX) Distributed Power Systems
The 12AW series of DC/DC converters operate from a nominal 24 or 48 VDC input source. This series is available in 5 volt & 3.3 volt single output and a dual + & - 12 volt output models. Maximum output power is 12 watts. These board mountable, low profile DC/DC converters are ideal for the requirements of the industrial control and telecommunications industries. The size and pin out conform to internationally recognised packaging that is an industry standard. Operating from a nominal 24 or 48 VDC input source, this PCB mountable, low profile miniature converter provides single regulated, isolated outputs of 5 & 3.3 VDC or a dual regulated, isolated output of ± 12 VDC. It is designed to meet a variety of safety and emissions requirements including CE (LVD), EN 55022 “Class A”, and UL60950.
Selection Guide
Device Type 12AW48R3.3 12AW48R5 12AW48R12-12 Input Voltage Input Current Output Voltage Output Current Range VDC A (Max) VDC A (Max) 18 – 72 .319A + or - 3.3 3.64 18 – 72 .304A + or - 5 2.40 18 – 72 .325A + and - 12 0.50 Package/ Pinout A A A
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Product Data Sheet
General Electrical Specifications
(Specifications at Nominal Input and 25 C, nominal input voltage and rated output current unless otherwise noted.)
Parameter
Input Voltage Range Input Filter Input Ripple Current Input/Output Isolation Output Voltage Accuracy Minimum Load Output Noise: All Units Line Regulation: Singles Load Regulation: Singles Efficiency Operating Temperature Storage Temperature Short Circuit Protection Overvoltage Protection
Limit
18 - 72 VDC L-C Section 50 mA P-P 2000 VDC 2% 10% of Full Load 100 mV P-P (Max) 0.5% 0.5% 80% -25° C to +71° C -55° C to 125° C Continuous 4.3 VDC 6.2 VDC 30 VDC .02% per ° C Typical
Conditions
24V & 48V Input Devices
Full Load Nominal Line 20 MHz Bandwidth, 0.1µF capacitor on the output Full Load 10% to 100% of Full Load Typical No Derating
3.3 VDC Output 5.0 VDC Output 12 VDC Output
Temperature Coefficient
Pin Connections: Pin Single Output 1 + V Input 2 - V Input 3 + V Output 4 No pin/Adjust (5V only)* 5 V Return
Mechanical Specification (dimensions in inches) Dual Output + V Input - V Input + V Output Output Common - V Output
.400 (10.16) .100 (2.54) .375 (9.53) MAX. .300 (7.62)
*5V output model may be ordered with adjust pin 4 (trim) by adding the suffix " T "
.040 DIA TYP (1.01) 3 4 5 .800 (20.32) 2.00 (50.80)
Notes (all devices and packages): 1. All dimensions in parentheses are metric 2. Tolerances unless otherwise specified: .xx ± .03 (.76) .xxx ± .015 (.38)
.365 (9.27)
1
2
.200 (5.08) .400 (10.16) 1.00 (25.40)
Reliability Power Locations
HEADQUARTERS & CUSTOMER SERVICE Reliability Power, Incorporated 33 Musick Irvine, CA 92618 USA Tel: (949) 305-6700 Fax: (949) 305-6701 www.reliabilitypower.com SALES Reliability Power, Incorporated Attention: SALES Tel: (805) 449-1667 Fax: (805) 557-4530
[email protected]
Copyright© 2000-2006, Reliability Power Inc. Reliability Power Inc. reserves the right to make changes in the product at any time, without notification. 12 Watt.doc 10 May 2006
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