Tag: step-down

3.3V Automotive Step-Down Regulator – Low-Iq, Dual-Mode

This is a Dual Mode regulator intended for Automotive, battery-connected applications that operate with up to a 36V input supply. Depending on the output load, it operates either as a PWM Buck Converter or as a Low Drop-Out Linear Regulator, and is suitable for systems with low noise...

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Multi Output Step-Down Converter – Input 18-24V and Output 3.3V, 5V, 12V

This is a fantastic project for makers, offering multiple output options of 3.3V, 5V, and 12V, with an input of 18-24V DC. This project is built around the MP2451 high-frequency (2Mhz) step-down switching regulator, ensuring efficient and reliable power conversion. For added...

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Stepdown DC-DC Converter with Current Limit

The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC. The adjustable current limit is an important feature of the project, which prevents the device from accidental output short circuits avoiding excessive load damage. The...

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High Current Half-Bridge with Over Current & Voltage Feedback for Step Down DC-DC Converter

This project enables the user to create a high current DC-DC converter. The project consists of a high current inductor, high current low voltage 2 x MOSFETs, half-bridge driver LT1158 chip, voltage feedback using onboard R9 and R10 resistor dividers, shunt resistor for overcurrent...

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60V Input – 5V @ 50mA Output High Voltage Fixed Output Regulator

This is a high voltage regulator project that provides 5V regulated output with a load capacity of 50mA from input supply 10V to 60V. The project is based on the ZXTR1005K4 regulator which is fully integrated into a TO252 package. We have tested this project with 60V DC input, but the...

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42V Input – 3.3V @ 2A Output High Voltage Step Down Regulator

The project described here is a high voltage step-down regulator based on A4447 general-purpose buck converter chip from Allegro Semiconductor. The output voltage of the board is configured at 3.3V, but it is adjustable from 0.8 to 24V, based on the resistor divider R2 and R5....

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65V Input to 12Vdc Output – 1A synchronous buck DC/DC converter using LM5164

This is a step-down DC-DC converter mainly designed for application such as high-cell-count battery packs, power tools, garden tools and electric scooters, drones. Some of the features of the project is precision enable, input voltage UVLO, internal soft start etc. The project...

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