LINEAR Manuals

The LTC3703-5 is a synchronous switching regulator controller that can directly step down input voltages up to 60V and withstand transients up to 80V.

File format: PDF Size:87 KB

This design note introduces a high efficiency two-phase boost converter that minimizes input and output current ripple. The converter uses the LTC1871-7 synchronous buck controller, operating at 300kHz with an output voltage of 24V and an output current of 10A.

File format: PDF Size:118 KB

The LTC®2923 power supply tracking controller can be used to margin supplies in addition to its usual task of tracking multiple power supplies.

File format: PDF Size:74 KB

ThinSOT Micropower Buck Regulator Has Low Output Ripple

File format: PDF Size:84 KB

This document introduces the importance of LT5528 WCDMA ACPR and AltCPR measurements, as well as the test setup for these measurements. The LT5528 is a high linearity direct I/Q modulator that accepts complex modulation signals and generates modulated RF signals at the RF output. However, accurately measuring the spectral regrowth of the LT5528 is challenging due to its dynamic range potentially rivaling that of the measurement equipment, necessitating the consideration of measurement system noise. The document provides specific test setups and measurement parameters.

File format: PDF Size:66 KB

This document introduces an integrated current sensing technology that can be used to monitor and protect automotive systems. The technology uses the LT ®6100 and LTC6101 high side current-sense amplifiers to accurately measure the current draw of each subsystem. This technology can help automotive designers to perform real-time monitoring in harsh automotive battery-bus environments.

File format: PDF Size:83 KB

The LTC3456 is a multiple output DC/DC converter that runs off 2-cell AA batteries, USB, or an AC wall adapter. It is designed for mobile devices, including MP3 players, portable GPS units, digital cameras, and handheld computers.

File format: PDF Size:79 KB

This document introduces a monolithic converter that drives high power LEDs. The converter can be configured in various topologies to achieve high power constant current output. It is a 3A DC/DC step-up converter with dual rail-to-rail current sense amplifiers and an internal 3A, 42V switch. It combines a traditional voltage feedback loop and two unique current feedback loops to operate as a constant-current and/or constant-voltage source.

File format: PDF Size:62 KB

Introduces the features and characteristics of LTC2208 high performance 16-bit 130Msps ADC for high sensitivity receivers

File format: PDF Size:323 KB

This document introduces a monolithic step-down regulator that can withstand the rigors of automotive environments and consumes only 100µA of quiescent current. The regulator is able to precisely regulate an output voltage in the face of wide temperature and input voltage ranges, including load dump transients in excess of 60V and cold crank voltage drops to 4V. The regulator is also able to minimize battery drain by maintaining high efficiency over a broad load current range. The LT3437 is a 200kHz fixed frequency, 500mA monolithic buck switching regulator with a 3.3V to 80V input voltage range, making it ideal for harsh automotive environments.

File format: PDF Size:127 KB

This document introduces the features of Easy Drive™ ADCs, which simplify the measurement of high impedance sensors. Delta-sigma ADCs are ideal for directly measuring many types of sensors, with high accuracy and high noise immunity. The LTC®2484 family of Delta-sigma converters solves the problem of input sampling currents overwhelming high source impedances or low-bandwidth, micropower signal conditioning circuits by balancing the input currents, thus simplifying or eliminating the need for signal conditioning circuits. The document provides an example of thermistor measurement.

File format: PDF Size:143 KB

This article introduces a high-efficiency nickel metal hydride / nickel cadmium battery charger design. The design uses a synchronous buck topology to fast charge up to 16 series-connected cells.

File format: PDF Size:91 KB

The LTC3808/9 family is a series of synchronous step-down controllers that feature a low-power, low-pin-count DFN package with an integrated start-up circuit, frequency-adjustable PLL, programmable output tracking, fast start-up mode, and power good detection.

File format: PDF Size:120 KB

File format: PDF Size:0 KB

File format: PDF Size:0 KB

This document describes the power supply sequencing control feature of the LTC2924 product, which prevents system damage. It can be used for sequencing multiple power supply channels and has high-precision output and input voltage monitoring.

File format: PDF Size:115 KB

This document introduces a 10A high performance point-of-load DC/DC µModule regulator with a 4.5V to 28V input, 0.6V to 5V output, and a 15mm × 15mm × 2.8mm package.

File format: PDF Size:146 KB

This document describes the features and characteristics of LTC4412, which is a near ideal diode controller used for automatically switching between power sources when prompted by the insertion or removal of any source. It has a low voltage drop and small reverse current leakage, which can reduce energy waste.

File format: PDF Size:57 KB

The LTC®3415 is a 7A point-of-load monolithic buck converter that provides a compact, simple and versatile solution for systems with widely distributed, high current, low voltage loads.

File format: PDF Size:104 KB

This document is a summary of《Wide Input Range 1A LED Driver Powers High Brightness LEDs with Automotive and 12VAC Supplies》. It introduces the LT3474 LED driver, which supports a variety of power sources, has a wide input voltage range, can adjust LED current, and has high efficiency and reliability.

File format: PDF Size:111 KB