National Manuals (Industrial)

The LM3526 is a dual-port USB power switch and over-current protection, which is compatible with USB1.1 and USB 2.0 standards, and has 1ms fault flag delay, low RON and 500mA minimum continuous load current.

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The COP8SG Family ROM and OTP based microcontrollers are highly integrated COP8™ Feature core devices with 8k to 32k memory and advanced features including Analog comparators, and zero external components. These single- chip CMOS devices are suited for more complex applica- tions requiring a full featured controller with larger memory, low EMI, two comparators, and a full-duplex USART.

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This document is an introduction to the TL6512, 5437, DM5437, DM7437 Quad 2-Input NAND Buffers. Each buffer has independent logic NAND functionality.

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The LM4860 is a bridge-connected audio power amplifier capable of delivering 1W of continuous average power to an 8Ω load with less than 1% THD+N over the audio spectrum from a 5V power supply.

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The LP2985 is a 150 mA, fixed-output voltage regulator designed to provide ultra low dropout and low noise in battery powered applications.

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This document introduces the general characteristics of the LME49725 dual high performance, high fidelity audio operational amplifier. The operational amplifier has extremely low distortion, noise and high slew rate, which can meet the most demanding audio application requirements.

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LM26LV is a low-voltage, precision, dual-output, low-power temperature switch and temperature sensor. The temperature trip point (TTRIP) can be preset at the factory to any temperature in the range of 0°C to 150°C in 1°C increments. Built-in temperature hysteresis (THYST) keeps the output stable in an environment of temperature instability. In normal operation the LM26LV temperature switch outputs assert when the die temperature exceeds TTRIP. The temper- ature switch outputs will reset when the temperature falls below a temperature equal to (TTRIP − THYST). The OVERTEMP digital output, is active-high with a push-pull structure, while the OVERTEMP digital output, is active-low with an open-drain structure. An analog output, VTEMP, delivers an analog output voltage which is inversely proportional to the measured temperature. Driving the TRIP TEST input high: (1) causes the digital out- puts to be asserted for in-situ verification and, (2) causes the threshold voltage to appear at the VTEMP output pin, which could be used to verify the temperature trip point. The LM26LV's low minimum supply voltage makes it ideal for 1.8 Volt system designs. Its wide operating range, low supply current , and excellent accuracy provide a temperature switch solution for a wide range of commercial and industrial appli- cations.

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The ADC124S021 is a low-power, four-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. It is fully specified over a sample rate range of 50 ksps to 200 ksps and can accept up to four input signals. The output serial data is straight binary and compatible with several standards such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces. The ADC124S021 operates with a single supply ranging from +2.7V to +5.25V. Normal power consumption is 2.2 mW (+3V supply) or 7.9 mW (+5V supply), and the power-down feature reduces power consumption to 0.14 µW (+3V supply) or 0.32 µW (+5V supply). The ADC124S021 is packaged in a 10-lead MSOP package and operates over the industrial temperature range of -40°C to +85°C.

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LM5010A is an enhanced version of LM5010, with the input operating range extended to 6V minimum. It has all the functions needed to implement a low cost, efficient, buck regulator capable of supplying in excess of 1A load current. It integrates an N-Channel Buck Switch and is available in thermally enhanced LLP-10 and TSSOP-14EP packages. It requires no loop compensation resulting in fast load transient response and simplified circuit implementation. It is suitable for applications including non-isolated telecommuication systems, power conversion, and small portable devices.

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The LM6588 is a low power, high voltage, rail-to-rail input-output amplifier ideally suited for LCD panel VCOM driver and gamma buffer applications. The LM6588 contains four unity gain stable amplifiers in one package. It provides a common mode input ability of 0.5V beyond the supply rails, as well as an output voltage range that extends to within 50mV of either supply rail. With these capabilities, the LM6588 provides maximum dynamic range at any supply voltage. Operating on supplies ranging from 5V to 16V, while consuming only 750µA per amplifier, the LM6588 has a bandwidth of 24MHz (-3dB). The LM6588 also features fast slewing and settling times, along with a high continuous output capability of 75mA. This output stage is capable of delivering approximately 200mA peak currents in order to charge or discharge capacitive loads. These features are ideal for use in TFT-LCDs. The LM6588 is available in the industry standard 14-pin SO package and in the space-saving 14-pin TSSOP package. The amplifiers are specified for operation over the full -40˚C to +85˚C temperature range.

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Low-voltage and low-power operational amplifiers that operate with supply voltages ranging from 2.7V to 12V and have rail-to-rail input and output capability

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This datasheet provides a detailed description of the DS90C387/DS90CF388 dual pixel LVDS display interface (LDI).

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LM26 SOT-23, ±3°C Accurate, Factory Preset Thermostat

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LM5035A PWM Controller with Integrated Half-Bridge and SyncFET Drivers contains all of the features necessary to implement half-bridge topology power converters using voltage mode control with line voltage feed-forward.

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The LM2854 is a 500kHz or 1MHz synchronous simple switch buck regulator capable of driving up to a 4A load with exceptional power conversion efficiency, line and load regulation, and output accuracy.

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The LMV551/LMV552/LMV554 are high performance, low power operational amplifiers. They feature 3 MHz of bandwidth while consuming only 37 μA of current per amplifier, which is an exceptional bandwidth to power ratio in this op amp class. These amplifiers are unity gain stable and provide an excellent solution for low power applications requiring a wide bandwidth. The LMV551/LMV552/LMV554 have a rail-to-rail output stage and an input common mode range that extends below ground. The LMV551/LMV552/LMV554 have an operating supply voltage range from 2.7V to 5.5V. These amplifiers can operate over a wide temperature range (−40°C to 125°C) making them a great choice for automotive applications, sensor applications as well as portable instrumentation applications. The LMV551 is offered in the ultra tiny 5-Pin SC70 and 5-Pin SOT-23 package. The LMV552 is offered in an 8-Pin MSOP package. The LMV554 is offered in the 14-Pin TSSOP.

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The LM22674 is National Semiconductor's 500mA single-chip step-down switch power supply controller, which integrates the constant voltage controller, PWM generator, error amplifier, current detector and other functional circuits. It is suitable for power supply design with few external components.

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The LP3933 is a complete lighting management system designed for portable wireless applications. It contains a boost DC/DC converter, 4 white-LED drivers to drive the main LCD panel backlight, 2 white-LED drivers for the sub- LCD panel and two sets of RGB/FLASH LED drivers. Both backlight drivers have 8-bit constant current drivers that are separately adjustable and matched to 0.5% (typ.). The RGB LED drivers are PWM-driven with programmable color, intensity and blinking patterns. In addition, they feature a FLASH function to support picture taking with camera- enabled cellular phones. An efficient magnetic boost DC/DC converter provides the required bias for LEDs, operating from a single Li-Ion bat- tery. The DC/DC converter output voltage is user program- mable from 4.1V to 5.3V for adapting to different LED types and for efficiency optimization. All functions are software controllable through a SPI interface and 19 internal registers.

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