The L6983 is an easy-to-use synchronous monolithic step-down regulator capable of delivering up to 3 A d.c. to the load. The wide input voltage range makes the STMicroelectronics device suitable for a broad range of applications. The L6983 is based on a peak current mode architecture and is packaged in a QFN16 3x3 with internal compensation, thus minimising design complexity and size.
The L6983 is available both in low consumption mode (LCM) and low noise mode (LNM) versions. LCM maximises the efficiency at light load with controlled output voltage ripple so the device is suitable for battery-powered applications. LNM makes the switching frequency constant and minimises the output voltage ripple for light load operations, meeting the specification for low noise sensitive applications. The L6983 allows the switching frequency to be selected in the 200 Hz–2,2 MHz range with optional spread spectrum for improved EMC.
The EN pin provides an enable/disable function. The typical shutdown current is 2 µA when disabled. As soon as the EN pin is pulled up, the device is enabled and the internal 1,3 ms soft-start takes place. The L6983 features a power-good open collector that monitors the feedback voltage. Pulse-by-pulse current sensing on both power elements implements an effective constant current protection and thermal shutdown prevents thermal run-away.
RF agile transceiver Altron Arrow
Telecoms, Datacoms, Wireless, IoT
The AD9361 from Analog Devices is a high performance, highly integrated RF Agile Transceiver designed for use in 3G and 4G base station applications.
Read more...Power MOSFET in a PowerFLAT package Future Electronics
Power Electronics / Power Management
The ST8L60N065DM9 from STMicroelectronics is a 600 V N-channel Super-Junction power MOSFET that offers excellent performance in a compact surface-mount package.
Read more...Ultra-low-power Arm Cortex MCU with FPU Altron Arrow
DSP, Micros & Memory
STMicroelectronics expanded its STM32 ultra-low-power family with the launch of the STM32U3 for cost-sensitive applications in industrial, medical, and consumer electronics devices.
Read more...Powering the future of embedded control Altron Arrow
Editor's Choice DSP, Micros & Memory
As the demand for intelligent, connected, and energy-efficient systems grows, embedded engineers are under pressure to design faster, smarter, and more secure products
Read more...Smart IMU for high/low-g acceleration Altron Arrow
Analogue, Mixed Signal, LSI
The ISM6HG256X is a 6-axis intelligent inertial measurement unit that enables smart motion sensing, edge computing, and real-time awareness.
Read more...Microlens to increase solar panel efficiency
Power Electronics / Power Management
Researchers at the Fraunhofer ISE have recently developed a novel micro-concentrated photovoltaic module that achieves higher efficiency and reduced production costs.
Read more...Rugged PSU for challenging conditions Conical Technologies
Power Electronics / Power Management
Built for rugged reliability, the Mibbo MFC Series delivers stable, efficient power in environments where moisture, dust, and temperature extremes are everyday challenges.
Read more...ABB’s Mission to Zero drives South Africa’s energy transition ABB Electrification Products
Power Electronics / Power Management
ABB Electrification is charting a bold path towards a net-zero future with its Mission to Zero programme, a blueprint that combines energy efficiency, electrification, and digital innovation to accelerate the transition to clean energy.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version