LINEAR Manuals

This article describes the complete power solution for digital cameras and other complex compact portable applications designed by Linear Technology. The solution uses a family of devices called PMICs (Power Management Integrated Circuits) that greatly simplify the design of complex rechargeable battery power systems.

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This article describes the design of a capacitor charger that can replace batteries for use in power backup circuits. The charger has a small size, adjustable current, automatic cell voltage balancing, low drain current and other features.

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This document introduces the LTC6652 precision voltage reference from Linear Technology. The LTC6652 can operate in temperatures from -40℃ to 125℃ and has a 5ppm/℃ temperature drift.

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The LTC3862 family of 2-phase, single output non-synchronous boost DC/DC controllers provides a flexible, high performance step-up controller in three convenient package options: GN24, 5mm × 5mm 24-pin exposed pad QFN and 24-pin exposed pad TSSOP. The LTC3862 is optimized for power MOSFETs that require 5V gate drive, whereas the LTC3862-1 is designed for 10V gate drive MOSFETs.

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This design document introduces Linear Technology's LTC4440-5 and LT3782A devices for the design of a high power synchronous boost converter. The converter can be designed as a dual-phase design and does not require a heatsink.

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This document introduces a high-voltage LED driver with a unique topology that allows it to be used in various applications. It can handle a wide range of input requirements, including the harsh transient voltage environment of automotive batteries, the wide voltage range of Li-ion cells, and wallwart voltages. Using this LED driver can reduce the cost and time of stocking, testing, and designing different LED controllers.

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The LTC4265 is a PoE PD interface that can identify 2-event classification (see sidebar) protocol and present an active signal as required for operation in an IEEE 802.3at-compliant PD. In addition, the LTC4265 may be config- ured for a variety of auxiliary power options with the aid of the shutdown and signature corrupt features. The LTC4265 is highly integrated and easy to apply, requiring only one classification programming resistor.

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This document introduces the LT3573 isolated monolithic flyback converter for isolated DC/DC applications. The converter uses a primary-side sensing scheme that is capable of detecting the output voltage through the flyback switching node waveform. This scheme solves many of the design difficulties commonly associated with flyback converters, such as transformer design, control loop right-half-plane (RHP) zero and optocoupler propagation delay.

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This document introduces the features and characteristics of LT3587 product. LT3587 is a 1-chip solution that combines three switching regulators and three internal high voltage switches to produce two high voltage boost converters and a single high voltage inverter. LT3587 is designed to run from inputs ranging from 2.5V to 6V, making it ideal for battery powered systems. Small package size and low component count produces a small, efficient solution. Typical applications include digital still and video cameras, high performance portable scanners and display systems, PDAs, cellular phones and handheld computers that have high voltage peripherals such as CCD sensors, LED backlights, LCD displays or OLED displays.

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This article introduces the LTM4606 and LTM4612 µModule regulators, which have ultralow conducted and radiated noise, high efficiency and high power density.

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This article introduces LTC3862 family of 2-phase single output non-synchronous boost DC/DC controllers from Linear Technology. The series provides a flexible, high performance step-up controller in three convenient package options.

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The LT3751 is a high-voltage DC/DC converter and capacitor charger that accepts input voltages from 4.75V to 400V. It features a 1.5A push-pull main driver and a 0.5A PMOS pull-up driver, providing excellent EMI performance and reliability

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This document introduces LT3689, an industrial/automotive step-down regulator that can accept 3.6V to 36V and includes power-on reset and watchdog timer functions.

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this document introduces the application of battery management system (BMS) in lithium-ion batteries.

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This document discusses the dynamic characteristics of diodes, including charge storage, voltage dependent capacitance, and reverse recovery time. It also highlights the importance of diode forward turn-on time and testing methods, as well as the potential overvoltage stress and IC failure in high-speed switching regulators.

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This document introduces a high-performance, low-EMI DC/DC converter that is available in a small LGA package and can provide up to 2A of current to a system.

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The article introduces a compact APD bias solution with adjustable current limit and adjustable VAPD, which can greatly reduce the size of the system and improve performance.

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