SP6231 Datasheet 500ma / 3.3v Linear Regulator With Auxiliary Backup

Manufacturer: Sipex

Overview: ® SP6231 500mA, 3.3V Linear Regulator with Auxiliary Backup.

Datasheet Details

Part number	SP6231
Manufacturer	Sipex
File Size	145.29 KB
Description	500mA / 3.3V Linear Regulator with Auxiliary Backup
Datasheet	SP6231_SipexCorporation.pdf

General Description

The SP6231 is a 500mA, 3.3V LDO with an integrated auxiliary voltage input switch.

During normal operation, the SP6231 acts as a standard LDO with an output voltage of 3.3V delivering up to 500mA.

When the 5V input drops below 4.4V, the 3.3V, VAUX input is switched to the output through an internal PFET, maintaining a constant “glitch free” output voltage.

Key Features

“Tiny” DFN Package Offers Excellent Thermal Characteristics (also available in NSOIC).
“Glitch Free” Transition between Two Supplies.
3.3V Fixed LDO Output Voltage.
400µA Quiescent Current @500mA Load.
Fast Transient Response.
Current Limit Protection.
Thermal Shutdown Protection with Hysteresis.
Auxiliary Supply Control.
Internal 0.2Ω PFET Switch Eliminates External FETs.
Kelvin Connection with 3.3V Feedback V SENSE 1 VIN 2 VOUT 3 VAUX 4 8 GN.

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