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RDK-737: 1.44W, 12V @ 120mA, 85 ~ 440VAC in

Summary

RDK-737 is a 1.44 W Power Supply for Appliances and Auxiliary Power Supplies with a 85 VAC – 440 VAC input; 12 V, 120 mA output using LinkSwitch-TN2 (LNK3294G/P)

RDK-737 Evaluation board describes a buck converter designed to provide a nominal output voltage of 12 V at 120 mA load from a wide input voltage range of 85 VAC to 440 VAC. This adapter utilizes the LNK3294 from the LinkSwitch-TN2 family of ICs, with provision for G and P packages placed on the top layer.

The User Guide contains the complete power supply specifications, bill of materials, transformer construction, circuit schematic and printed circuit board layout, along with performance data and electrical waveforms.

Specifications

Manufacturer Power Integrations
Category AC/DC and DC/DC Conversion
Sub-Category AC/DC SMPS - Single Output
Eval Board Part Number 596-RDK-737-ND
Eval Board Supplier Power Integrations
Eval Board Normally In Stock
AC Voltage Universal (115 / 230V)
Outputs and Type 1 Non-Isolated
Voltage Out 12 V
Current Out 120 mA
Output Power 1.44 W
Features Current Limit (Adj. or Fixed)
Frequency Jitter for EMI
Over Voltage Protection
Reset Function
Thermal Protection
Efficiency @ Conditions >77%, 85 ~ 260 VAC, 12 V @ 120 mA
No-load Input Power @ Voltage <30 mW @ 230 VAC
Switching Frequency 66 kHz
Internal Switch Yes
Component Count + Extras 20 + 4
Voltage In 85 ~ 440 VAC
Design Author Power Integrations
Application / Target Market Metering
Power: Auxiliary Power Supply
White Goods
Main I.C. Base Part LNK3294
Date Created By Author 2020-06
Date Added To Library 2020-12

Eval Board

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