This document describes a universal input charger power supply designed to replace linear transformer based chargers/adapters in low power applications. The power supply utilizes a LinkSwitch-LP IC, LNK564P. The document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.

This report describes a universal input, 5 V, 300 mA non-isolated flyback power supply which is designed with LNK584DG device from the LinkZero-AX family of ICs. It contains the complete specification of the power supply, a detailed circuit diagram, the entire bill of materials required to build the supply, extensive documentation of the power transformer, along with test data and oscillographs o…

Demonstration circuit 1817B is an off-line isolated flyback converter featuring the LT®3798. The demo board provides a single constant-voltage output of 24V at 2A. It is optimized to operate over a wide AC input voltage range (90VAC to 265VAC, 47Hz to 63Hz). Output voltage accuracy stays within ±5% over the whole input voltage and load range. It provides a high power factor (>0.95) enabling th…

This report describes a universal input, 12 V, 1 A flyback power supply using a TNY288PG device from the TinySwitch-4 family of ICs. It contains the complete specification of the power supply, a detailed circuit diagram, the entire bill of materials required to build the supply, extensive documentation of the power transformer, along with test data and oscillographs of the most important electric…

This engineering report describes a universal input 5 V, 4 A power supply designed around a TNY290PG device from the TinySwitch-4 family of ICs. Although designed as an auxiliary or bias supply for a personal computer (PC) power supply, this design can also be used as a general-purpose evaluation platform for TinySwitch-4 devices.

This document is an engineering report describing a 2A, 5.0V USB charger utilizing a device from the LinkSwitch-4 family of ICs. This design is intended to show the high power density and efficiency that is possible due to the high level of integration while still providing exceptional performance.

The STEVAL-ISA180V1 evaluation board implements a wide mains range flyback isolated converter (12 V - 0.6 A), developed for general purpose applications.

The NCP1654GEVB is a Power Factor Controller to efficiently drive Continuous Conduction Mode (CCM) step-up pre-converters. The NCP1654 allows operation in Follower Boost mode to drastically lower the pre-converter size and cost, in a straight-forward manner. The NCP1654 is a continuous conduction mode and fixed frequency controller (65kHz). The coil (650 uH) is selected to limit the peak to peak …

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)

The RDK-659 evaulation board is an output power supply intended for a USB wall outlet charger. The 30 W output (selectable 5.1 V / 6 A or 9.2 V / 3.3 A or 15.3 V / 2 A) rail is designed for a high power USB charging with Type-A or Type-C ports.