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SI91821 - Micropower 300-mA CMOS LDO Regulator

This page provides the datasheet information for the SI91821, a member of the Si91821 Micropower 300-mA CMOS LDO Regulator family.

Description

The Si91821 is a 300-mA CMOS LDO (low dropout) voltage regulator.

Features

  • D Input Voltage: 2.35.
  • 6.0 V D Fixed 1.8-V, 2.5-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V, or Adjustable Output Voltage Options D Low 120-mV Dropout at 300-mA Load D Guaranteed 300-mA Output Current D 500-mA Peak Output Current Capability D Uses Low ESR Ceramic Output Capacitor D Fast Load and Line Transient Response D Only 100-mV(rms) Noise With Noise Bypass Capacitor D 1-mA Maximum Shutdown Current D Built-in Short Circuit and Thermal Protection D Out-Of-Regulation Error Flag (Power_Good) Availabl.

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Datasheet preview – SI91821

Datasheet Details

Part number SI91821
Manufacturer Vishay Siliconix
File Size 136.02 KB
Description Micropower 300-mA CMOS LDO Regulator
Datasheet download datasheet SI91821 Datasheet
Additional preview pages of the SI91821 datasheet.

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Full PDF Text Transcription

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Si91821 Vishay Siliconix Micropower 300-mA CMOS LDO Regulator With Error Flag FEATURES D Input Voltage: 2.35−6.0 V D Fixed 1.8-V, 2.5-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V, or Adjustable Output Voltage Options D Low 120-mV Dropout at 300-mA Load D Guaranteed 300-mA Output Current D 500-mA Peak Output Current Capability D Uses Low ESR Ceramic Output Capacitor D Fast Load and Line Transient Response D Only 100-mV(rms) Noise With Noise Bypass Capacitor D 1-mA Maximum Shutdown Current D Built-in Short Circuit and Thermal Protection D Out-Of-Regulation Error Flag (Power_Good) Available APPLICATIONS D Cellular Phones D Laptop and Palm Computers D PDA, Digital Still Cameras DESCRIPTION The Si91821 is a 300-mA CMOS LDO (low dropout) voltage regulator.
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