90V to 10V @ 500mA High Voltage DC-DC buck converter
Power supply

90V to 10V @ 500mA High Voltage DC-DC buck converter

This is a versatile tiny module that provides 10V/500mA from 90V DC input. It is a high voltage input DC-DC buck converter, based on LM5017 IC, which is a 100-V, 600-mA synchronous step-down regulator with integrated high side and low side MOSFETs. The constant on-time (COT) control...

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Analysis of buck converter efficiency
Power

Analysis of buck converter efficiency

Tech note from Richtek on buck converter profiling. Link here The synchronous buck circuit is wildly used to provide non-isolated power for low voltage and high current supply to system chip. To realize the power loss of synchronous buck converter and to improve efficiency is important...

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LT8228 – 100 V Bidirectional Buck or Boost DC/DC Controllers with Protection
IC

LT8228 – 100 V Bidirectional Buck or Boost DC/DC Controllers with Protection

Analog Devices’ controllers enable full functional safety if one of the batteries fail by forcing the other battery to take over Analog Devices’ LT8228 100 V bidirectional buck or boost DC/DC controllers provide sustainable power in hybrid and electric vehicle (EV) critical...

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5 Buck Regulators with Low Iq
IC

5 Buck Regulators with Low Iq

Low quiescent current, also called supply current, might be an important spec for your power-supply design.. by Paul Rako @ electronicdesign.com Quiescent current is the current that a chip needs to operate even if it’s not delivering power. It’s the bare minimum supply current the...

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6A/6V Buck Converter with 16V Input Operates at up to 2MHz
IC

6A/6V Buck Converter with 16V Input Operates at up to 2MHz

16V, 6A, High Efficiency, Synchronous, Step-Down Converter with Adjustable Current Limit. Monolithic Power Systems (MPS) introduced the MPQ8626, a fully integrated, high-frequency, synchronous, buck converter. According to MPS, the MPQ8626 offers a very compact solution that achieves...

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Highly Integrated USB-C Buck Charger from Maxim Reduces Size by 30 Percent
IC

Highly Integrated USB-C Buck Charger from Maxim Reduces Size by 30 Percent

Designers of portable Li-ion battery-powered electronics now have a simplified and more flexible way to add a USB Type-C (USB-C) charging system to their products with the MAX77860 3A switch-mode charger from Maxim Integrated Products, Inc. (NASDAQ: MXIM). This USB-C buck charger...

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Bootstrap Circuit in the Buck Converter explained
Basic Electronics

Bootstrap Circuit in the Buck Converter explained

This application note explains the step-up circuit using a bootstrap capacitor. In buck converters, this circuit is used when the high-side switch is the N-ch MOSFET. The configuration of the circuit in proximity to a buck converter depends on the polarity of the high-side switch.When...

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150VIN & VOUT Synchronous 4-Switch Buck-Boost Controller with Integrated Switching Bias Supply
IC

150VIN & VOUT Synchronous 4-Switch Buck-Boost Controller with Integrated Switching Bias Supply

Analog Devices announces the Power by Linear™ LTC3777, a 150V high efficiency (up to 99%) 4-switch synchronous buck-boost DC/DC controller, which operates from input voltages above, below or equal to the regulated output voltage. Its 4.5V to 150V input voltage range operates from...

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