Industrial

150W Half bridge resonant DC-DC converter design

This is a multi-power digital electronic ballast for T5 fluorescent lamps, controlled by ST7FLIT19B and L6382D5

This document is a 40 W switch-mode power supply application note, based on L6566B, can be used for set-top box, DVD and more.

AN2951 Application note describes the design of a 3 kW fixed-off-time (FOT) power factor correction, which is suitable for most common domestic and industrial applications from low power range to high power range.

This document is about the introduction, installation, control systems and settings, general operation and maintenance, and troubleshooting of the 150C light source. The document emphasizes safety precautions and provides installation and operation guidelines.

This document mainly introduces the detection and treatment methods of common faults of Super Vision fiber optic lights

This application note describes the characteristics and features of a 65 W demonstration board (EVL6566B-65W-QR), tailored to the specifications of a typical hi-end portable computer power supply. The peculiarities of this design are the very high average efficiency of about 90%, without synchronous rectification, and very low no-load consumption of 100 mW at 230 Vac. The result is that this converter is more than compliant with Energy Star® eligibility criteria (EPA rev. 2.0 EPS).

This application note describes the development and evaluation of a conversion system for PV applications with the target of achieving a significant reduction in production costs and high efficiency. It consists of a high frequency isolated input power section performing DC-DC conversion and an inverter section capable of delivering sinusoidal current of 50 Hz to the grid. The system operates with input voltages in the range of 200 V to 400 V and is tied to the grid at 230 Vrms, 50 Hz, through an LCL filter. Other peculiar characteristics of the proposed converter are the integration level, decoupled active and reactive power control and flexibility towards the source.

This document introduces a fully working, grid-connected solar inverter prototype suitable for rooftop applications. This solar inverter has been equipped with STMicroelectronics’ MDmesh™ and silicon carbide (SiC) devices to allow evaluation of these products in “green” technologies.

Introducing the VIPer15 power converter

This application note describes the performance of a 90 W, wide-range mains, power-factor-corrected, AC-DC adapter demonstration board. Its electrical specification is tailored on a typical hi-end portable computer power adapter. The architecture is based on a two-stage approach; a front-end PFC pre-regulator based on the L6563H TM PFC controller and a downstream LLC resonant half-bridge converter using the new L6599A resonant controller. Thanks to the chipset used, the main aspects of this design are very high efficiency, compliance with ENERGY STAR® Eligibility Criteria (EPA rev. 2.0 EPS), and very low input consumption at no-load (<0.3 W).

This application note describes a method of eliminating input current ripple from PFC pre-regulators that can reduce the need for DM filtering.

This application note describes the characteristics and performance of a 250 W wide range input and power factor corrected power supply designed to be used in an ATX application. Good electrical performance allows meeting the most demanding efficiency targets. The converter consists of four main blocks: (1) A PFC front-end stage using the L6563S PFC controller which generates the +400 V bus voltage. (2) An AHB (Asymmetrical half bridge) stage using the L6591 ZVS half bridge controller which performs the conversion from the high voltage bus to the +12 V output providing insulation. (3) Two DC-DC post-regulator stages using the L6727 which obtain the +5 V and +3.3 V outputs from the +12 V bus. (4) An auxiliary power supply (STANDBY) stage using the VIPer27H in isolated flyback configuration which provides the +5 V_SB output with 10 W power capability.