Moreover, all applications that require complete DC input-output isolation have no choice but to use switching converters.
Dc to 5 v dc power converter best buy portable#
Switching converters are typically used in applications that require high efficiency, like processors and memory chips for portable devices.
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However, typical linear regulators have relatively low efficiency especially when operated at a large dropout voltage, which directly affects the battery life. Linear regulators are used in compact and noisesensitive applications for example, RF circuits and highprecision analog circuits. low-dropout regulators), switching regulators, and charge pumps. Voltage regulators can be one of three major types: linear regulators (e.g. It aims to generate all the proper voltage and current references (including the voltage supply) for a certain application efficiently and with minimum power loss. Power management technology deals with the optimum design of voltage regulators, voltage monitors, voltage references, and current references. The Use of Voltage Regulators for On- Chip Supply Noise Isolation Regulating a power supply to meet the minimum requirement of a specific application extends the battery life, which is crucial in all portable applications.įigure 1. Figure 1 shows the voltage regulation concept and how it helps in the isolation process. Voltage regulators not only provide supply regulation, they also maintain noise isolation between different blocks sharing the same supply. This cannot be guaranteed by conventional battery technology and it requires an intermediate voltage regulator circuit to generate the required supply. Multiple application examples are provided.Īll high-performance applications require a specific, regulated, and stable power supply voltage. It also demonstrates other practical aspects that are sometimes overlooked by system designers.
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It explains basic, performance, and optional metrics in detail. This white paper introduces a procedure for choosing the proper DC-DC switching converter for a given application. These converters range from tiny packaged parts with no external components to large parts with multiple external components for proper operation, making it difficult to choose the best option. This huge market leads to the existence of hundreds of different DC-DC converters provided by multiple suppliers. A typical system board for any portable device can easily contain many switching converters. They efficiently generate various regulated supply voltages for different sub-blocks within the same system board. Nolan, VidatronicĭC-to-DC switching converters are widely used in most portable devices. and Brittany Eckmann Revised: by Stephen M.