Linear Technology Manuals - Page 30

Linear Technology manuals, page 30

• LINEAR Monolithic Synchronous Step-Down Regulator Delivers up to 12A from a Wide Input Voltage Range Design Note 457 handbook

  The LTC3608 is a monolithic synchronous step-down regulator that delivers up to 12A from a wide input voltage range of 4.5V to 20V. It operates at a nominal 650kHz switching frequency, which enables the use of low-profile inductors and capacitors while maintaining high efficiency.

• LINEAR Triple Buck Regulator Features 1-Wire Dynamically Programmable Output Voltages Design Note 459 Andy Bishop

• LINEAR 100V Controller Drives High Power LED Strings from Just about Any Input Design Note 461 by Keith Szolusha

  This article introduces a 100V controller that drives high power LED strings from just about any input. The controller features a 125W, 83V at 1.5A, 97% efficient boost LED driver for stadium lighting. It is suitable for large area and high lumens light sources, and can handle wide ranging inputs. It can be applied to various applications including LCD backlights, industrial and architectural lighting, automotive lights, streetlights, billboards, and stadium lights.

• LINEAR Dual Output Buck Regulator with Current Partitioning Optimizes Ef ciency in Space-Sensitive Applications Design Note 460 handbook

• LINEAR Reduce the Cost Complexity of Medium LCD LED Backlights with a Single Inductor LED Driver for 60 LEDs Design Note 462 Daniel Chen

  This document introduces a method to reduce the cost and complexity of medium LCD LED backlights by using a single inductor LED driver. The driver can drive 60 LEDs simultaneously and has a built-in power switch to save space and design time.

• LINEAR Upgrade Your Microcontroller ADC to True 12-Bit Performance Design Note DN463 handbook

  This article introduces the performance characteristics of the LTC2366 series microcontroller ADC, including AC and DC specifications, operating voltage and current, as well as packaging and adjustable parameters.

• LINEAR High Ef ciency USB Power Management System Safely Charges Li-Ion/Polymer Batteries from Automotive Supplies Design Note 464 handbook

  This document describes a high-efficiency USB power management system that safely charges Li-Ion/Polymer batteries from automotive power supplies. The system is compact, robust, efficient, and easy to design, making it suitable for use in large transient environments.

• LINEAR LTC4099 Provides Unprecedented Control of USB Power Management Battery Charger Functions Using I 2C Design Note 1017 George H. Barbehenn

  The LTC4099 USB power manager and Li-Ion/Polymer battery charger seamlessly manages power distribution from multiple sources in portable applications. It is differentiated from other USB power managers by its bidirectional I2C port that allows the host microprocessor to control and monitor all aspects of the USB power management and battery charging processes.

• LINEAR Ultralow Power Boost Converters Require Only 8.5 A of Standby Quiescent Current Design Note 465 handbook

  Introduces a ultralow power boost converter, which only needs 8.5µA of standby quiescent current, and is suitable for applications that need to be in standby mode for a long time, such as industrial remote monitoring systems and keep-alive circuits.

• LINEAR Hot Swap Controller MOSFET Sense Resistor Are Integrated in a 5mm × 3mm DFN for Accurate Current Limit Load Current Monitoring in Tight Spaces Design Note 466 handboo

  The LTC4217 is a high-performance 2A hot swap controller that integrates the MOSFET and sense resistor, for accurate current limiting and load current monitoring in tight spaces.

• LINEAR 15VIN 4MHz Monolithic Synchronous Buck Regulator Delivers 5A in 4mm × 4mm QFN Design Note 467 Tom Gross

  The LTC®3605 is a high efficiency, monolithic synchronous step-down switching regulator that is capable of delivering 5A of continuous output current from input voltages of 4V to 15V.

• LINEAR Maximize the Performance of 16-Bit 105Msps ADC with Careful IF Signal Chain Design Design Note 468 Clarence Mayott Derek Redmayne

  This document describes how to optimize the performance of a 16-bit, 105Msps ADC by carefully designing the intermediate frequency (IF) signal chain to maximize overall system performance. The article provides detailed information on the signal chain topology and design considerations for each stage. Finally, the LTC2274 ADC is recommended as an excellent choice with excellent AC performance and high dynamic range.

• LINEAR Triple Output DC/DC Module Regulator in 15mm × 15mm × 2.8mm Surface Mount Package Replaces Up to 30 Discrete Components Design Note 469 handbook

  This Design Note introduces the LTM4615, a triple output DC/DC µModule® regulator that can replace up to 30 discrete components in a 15mm×15mm×2.8mm surface mount package.

• LINEAR One Device Replaces Battery Charger Pushbutton Controller LED Driver Voltage Regulator ICs in Portable Electronics Design Note 470 Marty Merchant

  The LTC3577/LTC3577-1 integrates multiple portable device power management functions into one IC, reducing complexity, cost and board area in handheld devices. It includes five voltage regulators, a battery charger and PowerPath™ manager, an LED driver, and pushbutton control. By combining these functions, the LTC3577/LTC3577-1 not only reduces the number of required ICs but also solves the problems of functional interoperability, improving end-product performance.

• LINEAR Simple Calibration Circuit Maximizes Accuracy in Li-Ion Battery Management Systems Design Note 471 Jon Munson