RDK-839: 12W, 12V @ 1A, 85 ~ 265 VAC

Summary

RDK-839 is a 12 W Power Supply for Appliances, Auxiliary Power Supplies with a 85 VAC – 265 VAC input; 12 V, 1 A output using TinySwitch-4 IC (TNY288PG)

RDK-839 Evaluation board describes an isolated flyback converter designed to provide a nominal output voltage of 12 V at 1 A load from a wide input voltage range of 85 VAC to 265 VAC. This adapter utilizes the TNY288P from the TinySwitch-4 family of ICs, with provision for D and K 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-839-ND
Eval Board Supplier	Power Integrations
Eval Board	Normally In Stock
AC Voltage	Universal (115 / 230V)
Outputs and Type	1 Isolated
Voltage Out	12 V
Current Out	1 A
Output Power	12 W
Features	Over Voltage Protection Thermal Protection Under Voltage Protection, Brown-Out
Efficiency @ Conditions	>85%, 230 VAC in, 12V @ 8.4 ~ 12 W >83%, 115 VAC in, 12V @ 2.4 ~ 12 W >82.5%, 85 VAC in, 12V @ 2.4 ~ 12 W >82%, 265 VAC in, 12V @ 2.4 ~ 12 W
No-load Input Power @ Voltage	27 mW @ 115 V (without UV sensing) 28 mW @ 230 V (without UV sensing) 36 mW @ 115 V 60 mW @ 230 V
Switching Frequency	124 kHz
Internal Switch	Yes
Component Count + Extras	34 + 4
Voltage In	85 ~ 265 VAC
Design Author	Power Integrations
Application / Target Market	Portable Devices Power: Auxiliary Power Supply Power: Industrial Power RF: Metering Set-Top Boxes
Main I.C. Base Part	TNY288
Date Created By Author	2019-08
Date Added To Library	2020-10