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The AS78LXX series are three terminal positive regulators designed for a wide variety of applications including local, on-card regulation. This series of regulators are complete with internal current limiting, thermal shutdown protection, and safe-area compensation which make them virtually immune from output overload. If adequate heat sinking are provided, these regulators can deliver output currents up to 100mA. The AS78LXX series are available in TO-92 (bulk or ammo packing), SOT-89 and SOIC-8 packages.


· Consumer Electronics · Microprocessor Power Supply · Mother Board

Product Specifications

Product Parameters

AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Dropout Voltage Typical (V) 1.7 V
Operating Input Voltage (V) 30 V
Output Current (A) 0.1 A
Output Voltage (V) 5 V
PSRR Typ @ 120hz (dB) 62 dB
Quiescent Current Typ (mA) 3 mA
Operating Ambient Temperature Range (Junction Temperature) (°C) -40 to 125 °C

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2611 2023-04-03 2023-07-03 Qualified Additional Assembly Test Sites, Die Revision and Tape and Reel Packing Quantity.
PCN-2602 2023-01-31 2023-07-31 Device End of Life (EOL)
PCN-2568 2022-03-29 2022-03-29 Qualified Additional Assembly & Test (A/T) Sites, Bill of Material, and updated Data Sheets for Package Outline Dimension Change
PCN-2514 2021-03-09 2021-06-09 Additional Wafer Source JKFAB
PCN-2331 2018-03-22 2018-06-22 Additional Qualified BOM (Bill of Materials) on Selected Devices