This document describes a low-profile synchronous, 2-phase boost converter that produces 200W power with 98% efficiency. The converter is suitable for automotive audio amplifiers, offering high efficiency and compactness.
This design note introduces a programmable baseband filter for software-defined UHF RFID readers. The filter uses a high-linearity direct conversion receiver to achieve reliable multitag detection and high data throughput. The filter's bandwidth can be programmed from 15 kHz to 150 kHz to meet the needs of various applications.
This design note introduces a 4-phase boost converter that delivers 384W of power without a heat sink. The converter uses the LTC3862 controller and employs multiphase operation to improve efficiency and reduce ripple voltage and currents in both the input and output capacitors.
Supercapacitors (or ultracapacitors) are increasingly being used in applications that require short-term energy storage and intermittent high-energy pulses. This document introduces a power ride-through circuit application where a backup energy source switches in and powers the load during a short power supply failure. This application has traditionally been dominated by batteries, but electric double layer capacitors (EDLCs) are gaining traction due to their decreasing price-per-farad, size, and effective series resistance per capacitance (ESR/C).
This document introduces the LT®3496 triple LED driver, which can achieve a PWM dimming ratio of up to 3000:1, supports multiple working modes, and is packaged in a 4mm × 5mm QFN package, which is highly efficient, compact, and cost-effective.
The LTM8040 is a complete step-down DC/DC switching converter system that can drive up to 1A through a string of LEDs. Its 4V to 36V input voltage range makes it suitable for a wide range of power sources, including 2-cell lithium-ion battery packs and rectified 12V AC power.
This document introduces LT3482, an integrated DC/DC step-up converter and accurate current monitor, which can support up to 90V APD bias voltage and provide better than 10% accuracy over four decades of dynamic range (250nA to 2.5mA).
This document discusses the protective role of ideal diodes in power supply wiring errors. By using MOSFET-based ideal diodes instead of Schottky diodes, power dissipation can be significantly reduced, thermal layout can be simplified, and system efficiency can be improved.
The document describes a high-efficiency step-down DC/DC converter that can operate from a very low input voltage of 2.2V. The converter utilizes the LT3740 synchronous controller, which can convert input supplies ranging from 2.2V to 22V to outputs as low as 0.8V with load currents from 2A to 20A. It is suitable for applications such as distributed power systems, point-of-load regulation, and conversion of logic supplies.
The LTC ®3562 quad output step-down regulator is designed for multicore handheld microprocessor applications that operate from a single Li-Ion battery. Its four monolithic, high effi ciency buck regulators support Intel’s mobile CPU P-State and C-State energy saving operating modes. The output voltages are independently controllable via I2C, and each output can be independently started and shut down. Design- ers can choose from power saving pulse-skipping mode or Burst Mode ® operation, or select low noise LDO mode. The space-saving LTC3562 is available in a 3mm × 3mm QFN package and requires few external components.
The LT®3507 is a single IC with three step-down converters and a low dropout linear regulator driver. It is suitable for high current, low voltage power supplies in industrial and automotive applications. It is compact and simple compared to multi-chip solutions.
