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Home » NEWEST Products » New by Manufacturer » Murata » Murata LXDC Micro DC-DC Converter
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Murata LXDC Series Micro DC-DC Converters


LXDC Series Micro DC-DC Converters

LXDC Overview

Murata's LXDC Series Micro DC-DC Converters feature ultra compact size and suppression of EMI noise. These devices achieve the smallest sizes by the mounting of a power IC and I/O capacitor to a ferrite substrate (LXDC2UR and LXDC3EP series). Murata's micro DC/DC Converters are especially suitable for mobile devices, such as SmartPhones, and more.

Murata LXDC2XQ Micro DC-DC Converter

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Datasheet Datasheet

Murata LXDC2XQ Micro DC-DC Converter

The LXDC2XQ series is a step-down DC-DC converter suitable for space-limited or noise-sensitive applications. The device utilizes an inductor-embedded ferrite substrate that reduces radiated EMI noise and conduction noise. By adding input/output capacitors, it can be used as an LDO replacement. Its low noise and easy-to-assemble features assure reliable power supply quality. The device works in PFM mode at light load for extended battery life. At heavy load, it changes to PMW mode automatically and maintains high efficiency using synchronous rectifying technology. The device provides good output voltage accuracy even in PFM mode. It maintains 2.5% DC voltage accuracy over the full current range (0-1,500mA), and shows very smooth mode transition between PFM mode and PWM mode.

Features
  • Small footprint Buck converter for up to 1.5A output current application
    (Output Voltage for the 2.5V & 3.3V parts, 800mA output current)
  • Low EMI noise using an inductor-embedded ferrite substrate
  • High efficiency using synchronous rectifier technology at 3MHz operation
  • Fixed output voltage: 1.0V, 1.2V, 1.8V, 3.3V
  • Selectable control mode: PFM/PWM auto mode / Forced PWM mode
  • 2.5% DC voltage accuracy over full load current range with PWM mode.
  • Wide input voltage range: 2.7~5.5V
  • Over current protection, Over temperature protection

Murata LXDC55x Micro DC-DC Converter

Murata has expanded the Micro DC-DC Converter line to include a small footprint Buck converter with variable voltage output for applications requiring up to 3A output current.


Features
  • Small footprint Buck converters for up to 3A output current applications
  • Low EMI noise using an inductor-embedded ferrite substrate
  • User adjustable voltage output
  • PWM/PFM mode
  • Power good function
  • Over current protection, Over temperature protection

LXDC44A Micro DC-DC Converter

Murata LXDC44A Micro DC-DC Converter is a small footprint boost converter for up to 700mA output current applications. The wide input voltage range (2.7 to 5.5V) is ideal to power portable applications like mobile phones for computer peripherals. LXDC44A utilizes an inductor-embedded ferrite substrate that reduces radiated EMI noise and conduction noise. At light load currents, the converter automatically enters PFM (Pulse Frequency Modulation) mode and keeps good conversion efficiency. When load current increases, it operates in PWM (Pulse Width Modulation) mode. The converter utilizes a quasi-constant on-time valley current mode control, which offers fast load transient response.

More About LXDC44A

Features
  • Small footprint boost converter for up to 700mA output current application
  • Low EMI noise by using an inductor-embedded ferrite substrate
  • Input voltage range: 2.7 to 5.5V
  • Output voltage: 5V-6V (Adjustable to one fixed voltage at factory setting: 5.0 to 6.0V)
  • Switching frequency: 3.3MHz
  • Automatic PWM/PFM mode switching for high efficiency
Applications
  • Portable applications
  • Mobile phones
  • Computer peripherals

Typical Application Circuit
Typical Application Circuit

Block Diagram
Block Diagram
Murata LXDC3EP Micro DC-DC Converter

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Murata LXDC3EP Micro DC-DC Converter

The LXDC3EP Series micro DC/DC Converter from Murata is a step-down DC/DC converter that has a small footprint using an inductor-embedded ferrite substrate. This series has low EMI noise and high efficiency using synchronous rectifier technology and a PFM/PWM auto-select function. Other LXDC3EP series features include input voltage range from 2.5V to 5.5V, output voltage range from 1.0V to 3.3V, and maximum load current of 1A.


Features
  • Step-down DC/DC Converter
  • Low EMI noise
  • Small footprint using inductor-embedded ferrite substrate
  • High efficiency using synchronous rectifier technology and
    PFM/PWM auto-select function
  • Input voltage range: 2.5-5.5V
  • Output voltage range: 1.0-3.3V
  • Maximum load current: 1A
  • Switching frequency: 4MHz
Murata LXDC2UR Micro DC-DC Converter

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Murata LXDC2UR Micro DC-DC Converter

The LXDC2UR micro DC/DC Converter from Murata offers low EMI noise and a small footprint using an inductor-embedded ferrite substrate. This series also has high efficiency using synchronous rectifier technology and a selectable operating mode (PWM forced or PFM/PWM auto-select). Other features of the LXDC2UR Series include input voltage range from 2.7V to 5.5V, output voltage range from 1.2V to 3.3V, and maximum load current of 600mA.


Features
  • Low EMI noise
  • Small footprint using inductor-embedded ferrite substrate
  • High efficiency using synchronous rectifier technology
  • Selectable operating mode (PWM forced or PFM/PWM auto-select)
  • Input voltage range: 2.7 - 5.5V
  • Output voltage: 1.2 - 3.3V
  • Maximum load current: 600mA
  • Switching frequency: 6.0MHz
Murata LXDC2HL Micro DC-DC Converter

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Datasheet Datasheet

Murata LXDC2HL Micro DC-DC Converter

Murata LXDC2HL Series are ultra small Micro DC-DC Converters. Designed to reduce board space, counter EMI noise and conserve energy, the series is ideal for mobile devices. The ultra small size is accomplished by integrating the inductor, a ferrite substrate, and a power IC. The result is a footprint 60% smaller than a discrete converter. Harmonic noise has been reduced by 30dB compared to discrete converters. High efficiency is gained using step-down synchronous rectifier technology and PWM/PFM automatic switching control. LXDC2HL Series Micro DC-DC Converters from Murata are suitable for any mobile device application where downsizing is required.


Features
  • Power Inductor embedded in Ferrite Substrate resulting in extremely
    small size and low EMI noise
  • High efficiency using synchronous rectifier technology and PFM/PWM
    auto-select function
  • Input voltage range = 2.3 ~ 5.5V
  • Maximum load current = 600mA (dependent upon output voltage)
  • Fixed output voltage = 1.0V, 1.2V, 1.35V, 1.5V, 1.8V, 2.5V, 3.0V, or 3.3V
  • Switching frequency = 3.0MHz
  • Operating temperature range = -40 to +85°C
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