Linear Technology Manuals - Page 29

Linear Technology manuals, page 29

• LINEAR Ideal Diodes Protect Against Power Supply Wiring Errors Design Note 444 Meilissa Lum

  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.

• LINEAR Dual 8A DC/DC Module Regulator Is Easily Paralleled for 16A Design Note 446 Eddie Beville Alan Chern

• LINEAR A Complete Compact APD Bias Solution for a 10Gbits/s GPON System Design Note 447 Xin Qi

  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).

• LINEAR Module LED Driver Integrates All Circuitry Including the Inductor in a Surface Mount Package Design Note 445 David Ng

  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.

• LINEAR Triple LED Driver in 4mm × 5mm QFN Supports LCD Backlights in Buck Boost or Buck-Boost Modes Delivers 3000:1 PWM Dimming Ratio Design Note 449 Hua (Walker) Bai

  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.

• LINEAR 12-bit DAC in TSOT-23 Includes Bidirectional REF Pin for Connection to Op Amp or External High Precision Reference Design Note 448 Kevin Wrenner Troy Seman Mark Thoren

• LINEAR Supercapacitors Can Replace a Backup Battery for Power Ride-Through Applications Design Note 450 Jim Drew

  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).

• LINEAR Current Sense Amp Inputs Work from 0.3V to 44V Independent of Supply Design Note 451 handbook

  The LT6105 is a current sense amplifier whose inputs can operate over a range of -0.3V to 44V independent of the supply voltage.

• LINEAR 4-Phase Boost Converter Delivers 384W with no Heat Sink Design Note 453 handbook

  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.

• LINEAR Power Monitor for Automotive Telecom Applications Includes ADC I 2C Interface Design Note 452 handbook

  This Design Note introduces the LTC4151 power monitor, which can monitor voltages from 12V to 80V and output data through the I2C interface.

• LINEAR Programmable Baseband Filter for Software-De ned UHF RFID Readers Design Note 432 Philip Karantzalis

  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.

• LINEAR Low Pro le Synchronous 2-Phase Boost Converter Produces 200W with 98% Ef ciency Design Note 455 by Victor Khasiev

  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.

• LINEAR Single-Ended to Differential Ampli er Design Tips Design Note 454 Philip Karantzalis Tim Regan

• LINEAR Digitize a $1000 Sensor with a $1 Analog-to-Digital Converter Design Note 456 Mark Thoren

  This document introduces a method of combining high-precision sensors with low-cost ADCs that can use a $1000 sensor with a $1 ADC. This method uses the LTC2450 16-bit single-ended input, delta-sigma ADC, which has 2LSB INL, 2LSB offset, and 0.01% gain error, making it a perfect match for many high-end industrial sensors as well as a wide variety of data acquisition, measurement, control, and general purpose voltage monitoring applications.

• LINEAR Buck Converter Eases the Task of Designing Auxiliary Low Voltage Negative Rails Design Note 458 handbook