Datasheet4U Logo Datasheet4U.com

LP3905 - Power Management Unit For Low Power Handheld Applications

Datasheet Summary

Description

LP3905 is a multi-functional Power Management Unit, optimized for low power handheld applications.

This device integrates two 600mA DC/DC buck regulators and two 150mA linear regulators.

Fixed and adjustable buck output versions are available.

Features

  • two enable pins for the device output control and is offered in an LLP package. Key Specifications Buck Regulators n Fixed and adjustable voltage options, range 1.0V to 3.3V.
  • n Up to 90% Efficiency n Auto-switching PFM-PWM mode and fixed PWM mode n 2MHz PWM fixed switching frequency (Typ) n 600mA output current n ± 4% output voltage accuracy over temp. n Internal softstart n 2.2µH inductor, 10µF Input and 10µF output Caps Linear Regulators n Output options in the range 1.5V to 3.3V.
  • n.

📥 Download Datasheet

Datasheet preview – LP3905

Datasheet Details

Part number LP3905
Manufacturer National Semiconductor
File Size 706.46 KB
Description Power Management Unit For Low Power Handheld Applications
Datasheet download datasheet LP3905 Datasheet
Additional preview pages of the LP3905 datasheet.

📁 Similar Datasheet

  • LP3905 - Power Management (Texas Instruments)
  • LP3906 - Dual High-Current Step-Down DC/DC and Dual Linear Regulator (Texas Instruments)
  • LP3907 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO (Texas Instruments)
  • LP3907-Q1 - Dual 1-A and 600-mA Buck Converters and Dual 300-mA LDO (Texas Instruments)
  • LP3910 - Power Management (Texas Instruments)
  • LP3913 - Power Management (Texas Instruments)
  • LP3918 - Battery Charge Management/Regulator (Texas Instruments)
  • LP3921 - Battery Charger Management/Regulator (Texas Instruments)
  • LP3923 - Cellular Phone Power Management (Texas Instruments)
  • LP3931 - Dual RGB LED Driver (Texas Instruments)
Other Datasheets by National Semiconductor
  • LP3906 - Dual High Current Step Down DC/DC and Dual Linear Regulator
  • LP3907 - Dual High-Current Step-Down DC/DC and Dual Linear Regulator
  • LP3910 - Power Management
  • LP3913 - Power Management
  • LP3917 - CDMA Cellular Phone Power Management
  • LP3919 - CDMA Power Management
  • LP3921 - Battery Charger Management/Regulator
  • LP3923 - Cellular Phone Power Management

Full PDF Text Transcription

Click to expand full text
www.DataSheet4U.com LP3905 Power Management Unit For Low Power Handheld Applications August 2006 LP3905 Power Management Unit For Low Power Handheld Applications General Description LP3905 is a multi-functional Power Management Unit, optimized for low power handheld applications. This device integrates two 600mA DC/DC buck regulators and two 150mA linear regulators. Fixed and adjustable buck output versions are available. The LP3905 additionally features two enable pins for the device output control and is offered in an LLP package. Key Specifications Buck Regulators n Fixed and adjustable voltage options, range 1.0V to 3.
Published: |