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SI91841 - 150-mA Ultra Low-Noise LDO Regulator With Discharge Option

This page provides the datasheet information for the SI91841, a member of the SI9 150-mA Ultra Low-Noise LDO Regulator With Discharge Option family.

Description

The Si91841/3 is a 150-mA CMOS LDO (low dropout) voltage regulator.

It is the perfect choice for low voltage, low power applications.

An ultra low ground current makes this part attractive for battery operated power systems.

Features

  • D Ultra Low Dropout.
  • 130 mV at 150-mA Load D Ultra Low Noise.
  • 30 mV(rms) (10-Hz to 100-kHz Bandwidth) D Shutdown Control D 110-mA Ground Current at 150-mA Load D 1.5% Guaranteed Output Voltage Accuracy D 300-mA Peak Output Current Capability D Uses Low ESR Ceramic Capacitors D Fast Start-Up (50 ms) D Fast Line and Load Transient Response (v 30 ms) D 1-mA Maximum Shutdown Current D Output Current Limit D Reverse Battery Protection D Built-in Short Circuit and Thermal Protection D Si.

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Datasheet preview – SI91841

Datasheet Details

Part number SI91841
Manufacturer Vishay Siliconix
File Size 121.50 KB
Description 150-mA Ultra Low-Noise LDO Regulator With Discharge Option
Datasheet download datasheet SI91841 Datasheet
Additional preview pages of the SI91841 datasheet.

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Other Datasheets by Vishay Siliconix
  • Si91843 - 150-mA Ultra Low-Noise LDO Regulator With Discharge Option
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  • SI9181DB - Si9181DB/Si9182DB Demonstration Board
  • SI9182 - Micropower 250-mA CMOS LDO Regulator With Error Flag/Power-On-Reset
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Full PDF Text Transcription

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Si91841/3 Vishay Siliconix 150-mA Ultra Low-Noise LDO Regulator With Discharge Option FEATURES D Ultra Low Dropout—130 mV at 150-mA Load D Ultra Low Noise—30 mV(rms) (10-Hz to 100-kHz Bandwidth) D Shutdown Control D 110-mA Ground Current at 150-mA Load D 1.5% Guaranteed Output Voltage Accuracy D 300-mA Peak Output Current Capability D Uses Low ESR Ceramic Capacitors D Fast Start-Up (50 ms) D Fast Line and Load Transient Response (v 30 ms) D 1-mA Maximum Shutdown Current D Output Current Limit D Reverse Battery Protection D Built-in Short Circuit and Thermal Protection D Si91841: Output, Auto-Discharge In Shutdown Mode D Si91843: Output, No-Discharge In Shutdown Mode D Fixed 1.8, 2.0, 2.2, 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3, 3.5, 3.6, 5.
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