Ultra-Low Dropout Regulators
Aug 24, 2011
With an ultra-low dropout voltage of only 220mV at 1.5A, the AP7362 and AP7363 fixed and adjustable output linear regulators from Diodes Incorporated help reduce power consumption and increase regulated voltage output stability. ...
3-MHz, 100-mA Step-Down DC/DC Converter
Aug 19, 2011
Texas Instruments Incorporated (TI) introduced the TPS62730, a 3-MHz, 100-mA synchronous step-down DC/DC converter....
Dual Output 20-V, 3-A Switching Regulator
Aug 19, 2011
Analog Devices, Inc. introduced the ADP2323, a 20-V, 3-A dual output DC-to-DC regulator featuring a high conversion efficiency of greater than 93 percent....
Two Bucks Regulators and Two LDOs in Power Management ICs
Aug 16, 2011
Analog Devices, Inc. introduced the ADP5034 regulator/LDO, a highly integrated power management IC that combines two 3-MHz, high efficiency, 1.2-A step down regulators with two 300-mA LDO (low drop out) regulators in a small LFCSP (lead-frame chip-scale) package. ...
4A Dual Point-of-Load Regulator
Aug 10, 2011
Semtech Corp. announced the latest device in its buck regulator platform. The new SC286 is the world's smallest 4A, dual-channel regulator for point-of-load (POL) applications. ...
Simplified Phase-Shifted Full-Bridge Converter Design
Aug 3, 2011
To implement a zero voltage switching topology, a streamlined design for a phase-shifted, full-bridge converter uses fixed delays in place of adaptive delays.
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Isolated DC/DC Converter for Low-Noise 2-W Power Supplies
Jul 19, 2011
Texas Instruments Incorporated introduced a high-efficiency, primary-side feedback transformer driver for isolated 2-W power supplies, which are used in programmable logic controllers, industrial automation and other noise-sensitive data acquisition designs....
Programmable Shunt Regulators
Jul 13, 2011
A minimum cathode current for regulation of typically only 40µA, means the ZXRE250 and ZXRE252 programmable shunt regulators from Diodes Incorporated enable efficiency improvements to be made in power supply and local voltage regulation applications in a range of consumer electronics applications including computers, set top boxes and LCD TVs....
Automotive Grade Buck Regulators
Jul 6, 2011
Allegro MicroSystems, Inc. announces two new robust automotive grade buck regulators with high switching frequency and output current, each integrating a low resistance, high-side, N-channel MOSFET. ...
Ultra-Small, 500mA Dual POL Regulator
Jun 15, 2011
Semtech Corp. launched the latest device in its buck regulator platform. The SC197 is a 500mA, dual-output, point-of-load (POL) regulator, combining two PWM DC-DC regulators in an ultra-small, low-profile 2 x 3 x 0.6mm package with an overall design solution footprint of just 80mm2....
Hybrid-Switching Step-down Converter with Hybrid Transformer
May 1, 2011
A new type of DC-DC converter based on Hybrid-switching Method™ and a novel Hybrid Transformer™ enables a high step-down voltage conversion and provides a regulated output voltage of 1V from a 48V source with high efficiency while operating at 0.2 duty ratio or higher. The new converter topology reduces the total silicon used for switches compared to synchronous buck converters, due to the reduced voltage stress and voltage rating of its synchronous rectifier MOSFET switch....
