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Nuevas tecnologías

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2022-12-27, High efficiency, compliant with IEEE 802.3at, integrated PoE-PD interface and PWM controller

The PM8801 integrates a standard compliant Power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices.

Technology Cover

2022-12-27, Texas Instruments CDCD5704 clock generator

The CDCD5704 clock generator provides the necessary clock signals to support an XDR memory subsystem and Redwood logic interface using a reference clock input with or without spread-spectrum modulation. Contained in a 28-pin TSSOP package that includes four differential clock outputs, the CDCD5704 provides an off-the-shelf solution for a broad range of high-performance interface applications.

Technology Cover

2022-12-27, Texas Instruments offers ultra-low noise, low IQ Ldos

The LP5907-Q1 is a low-noise LDO that can supply 250 mA of output current. Designed to meet the requirements of RF and analog circuits, the LP5907- Q1 provides low noise, high PSRR, low quiescent current, and low line or load transient response figures. Using new innovative design techniques, the LP5907-Q1 offers class-leading noise performance without a noise bypass capacitor and the ability for remote output capacitor placement.

Technology Cover

2022-12-27, 400MHz to 2.5GHz, low noise, SiGe down converter mixers

The MAX2680/MAX2681/MAX2682 miniature, low-cost, low-noise downconverter mixers are designed for lowvoltage operation and are ideal for use in portable communications equipment. Signals at the RF input port are mixed with signals at the local oscillator (LO) port using a double-balanced mixer. These downconverter mixers operate with RF input frequencies between 400MHz and 2500MHz, and downconvert to IF output frequencies between 10MHz and 500MHz.

Technology Cover

2022-12-27, Renesas four-way digital control potentiometer

The X9241A integrates four digitally controlled potentiometers (XDCPS) on a monolithic CMOS integrated microcircuit.

Technology Cover

2022-12-27, Extended multiple I/O serial NOR flash family

Alliance Memory has extended its AS25F series of multiple input/output serial NOR flash memory devices with two new 1.8V, 128Mb devices. Providing support for single, dual, and quad SPI modes – with a QPI function – the AS25F1128MQ-70SIN and AS25F1128MQ-70WIN incorporate fast read performance up to 133MHz with fast program and erase times of 0.3ms and 60ms typical, respectively.

Technology Cover

2022-12-26, Main side regulated switch mode power controller

The AP3783R is a high frequency, high efficiency and high accuracy switching mode power supply controller to drive power MOSFET for 5V/2A battery charger/adapter applications. The controller regulates the output voltage and current in the primary side by piece-wise Pulse Frequency Modulation (p-PFM) in discontinuous conduction mode (DCM). The system operating frequency reduces linearly from heavy load to light load in each interval of the p-PFM, and enters constant current mode when the load current equals to the maximum system output current.

Technology Cover

2022-12-26, Three phase Buck PWM controller with high current integrated MOSFET driver

The ISL6308A is a three-phase PWM control IC with integrated MOSFET drivers. It provides a precision voltage regulation system for multiple applications including, but not limited to, high current low voltage point-of-load converters, embedded applications and other general purpose low voltage medium to high current applications.The integration of power MOSFET drivers into the controller IC marks a departure from the separate PWM controller and driver configuration of previous multi-phase product families.

Technology Cover

2022-12-26, 13-bit differential input, low power A/D converter with SPI serial interface

The MCP3301 13-bit analog-to-digital (A/D) converter features full differential inputs and low power consumption in a small package that is ideal for battery-powered systems and remote data acquisition applications

Technology Cover

2022-12-26, 16 bit, dual voltage output digital - to - analog converter

The DAC7632 is a 16-bit, dual channel, voltage output, Digital-to-Analog Converter (DAC) which provides 15-bit monotonic performance over the specified temperature range. The device accepts 24-bit serial input data, has doublebuffered DAC input logic (allowing simultaneous update of both DACs), and provides a serial data output for daisychaining multiple devices.

Technology Cover

2022-12-26, STMicroelectronics offers a very low voltage drop regulator

The LD49300 is a high-bandwidth, low-dropout, 3.0 A voltage regulator, ideal for powering core voltages of low power microprocessors. The LD49300 implements a dual supply configuration, which guarantees a very low output impedance and a fast transient response.

Technology Cover

2022-12-26, 1.2A/1A, hysteresis, high brightness LED driver with internal switch

The RT8471 is a high efficiency, continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs from a voltage source higher than the LED voltage. It operates from an input voltage of 7V to 36V and employs hysteretic control with a high side current sense resistor to set the constant output current.

Technology Cover

2022-12-25, High speed, wide input, single phase MOSFET driver

The MAX8552 highly integrated monolithic MOSFET driver is capable of driving a pair of power MOSFETs in single or multiphase synchronous buck-converter applications that provide up to 30A output current per phase.

Technology Cover

2022-12-25, Three output boost plus linear TFT bias regulator

The MP1530 combines a triple output step-up converter with linear regulators to provide a complete DC/DC solution. It is designed to power TFT LCD panels from a regulated 3.3V or 5V supply.

Technology Cover

2022-12-25, Texas Instruments DMOS 400mA Low-Dropout Regulator

The REG113 is a family of low-noise, low-dropout linear regulators with low ground pin current. Its new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 250mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional lowdropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1µF.

Technology Cover

2022-12-25, 3 Correct the voltage regulator

The NJM78L00 series of 3-Terminal Positive Voltage Regulators is constructed using the New JRC Planar epitaxial process. These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible.

Technology Cover

2022-12-24, Bourns 2036-xx-SM Precision Gas Discharge tube Surge Arrester

Bourns now offers a surface mount (SM) 3-electrode Gas Discharge Tube (GDT) surge protection device. The industry-leading quality and features of the Bourns miniature 2036 TRIGARD series GDT continues in this new SM version for “pick and place” manufacturing techniques.

Technology Cover

2022-12-24, 2.5V and 3.3V CMOS PLL clock generators and drivers

The MPC9315 is a 2.5 V and 3.3 V compatible, PLL based clock generator designed for low-skew clock distribution in low-voltage mid-range to high-performance telecom, networking and computing applications.