Datasheet4U Logo Datasheet4U.com

LP3991 - 300-mA LDO

Description

Operating from a minimum input voltage of 1.65 V, the LP3991 LDO has been designed to provide fixed stable output voltages for load currents up to 300 mA.

Features

  • 1 Input Voltage From 1.65 V to 4 V.
  • Output Voltage From 0.8 V to 3 V.
  • 1% Accuracy at Room Temperature.
  • 125-mV Dropout at 300-mA Load.
  • 50-µA Quiescent Current at 1-mA Load.
  • Inrush Current Controlled to 600 mA.
  • PSRR 65 dB at 1 kHz.
  • 100-µs Start-Up Time for 1.5-V VOUT.
  • Stable With Ceramic Capacitors as Small as 0402.
  • Thermal-Overload and Short-Circuit Protection 2.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
LP3991 300mA Linear Voltage Regulator National Semiconductor
LP3990 150mA Linear Voltage Regulator National Semiconductor
LP3992 Ultra-Fast CMOS LDO Regulator Lowpowersemi
LP3993 80mA Linear Regulator National Semiconductor
LP3994 50mA CMOS Voltage Regulator National Semiconductor

Other Datasheets by Texas Instruments

Part Number Description
LP3990 Linear Voltage Regulator
LP3990-Q1 Linear Voltage Regulator
LP3992 CMOS Voltage Regulator
LP3995 CMOS Voltage Regulator
LP3996 Dual Linear Regulator

Full PDF Text Transcription

Click to expand full text
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP3991 SNVS296J – DECEMBER 2006 – REVISED JUNE 2016 LP3991 300-mA LDO for Digital Applications 1 Features •1 Input Voltage From 1.65 V to 4 V • Output Voltage From 0.8 V to 3 V • 1% Accuracy at Room Temperature • 125-mV Dropout at 300-mA Load • 50-µA Quiescent Current at 1-mA Load • Inrush Current Controlled to 600 mA • PSRR 65 dB at 1 kHz • 100-µs Start-Up Time for 1.5-V VOUT • Stable With Ceramic Capacitors as Small as 0402 • Thermal-Overload and Short-Circuit Protection 2 Applications • Post DC-DC Regulator • Battery Operated Devices • Hand-Held Information Appliances 3 Description Operating from a minimum input voltage of 1.
Published: |