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LP2951 Datasheet Adjustable Micro Power Voltage Regulator

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com LP2951 Adjustable Micro Power Voltage Regulator.

General Description

The LP2951 is an adjustable micro power voltage regulator suitable for use in battery-powered systems.

This regulator has various functions such as alarm which warns of a low output voltage, often due to falling batteries on the input, the external shutdown which enables the regulator to be switched on and off, current and temperature limiting.

8-SOP 1 Internal Block Diagram OUT(1) INPUT(8) + PROGRAM (2) ERROR AMPLIFIER + FEEDBACK(7) C1 SHUTDOWN(3) + OFFSE TAP(6) FROM EXTERNAL INPUT SCP T ERROR COMPARATO 1.25V + COMPARATOR R REFERENCE TO EXTERNAL INPUT + GROUND(4) ERROR(5) Rev.

Key Features

  • Low Quiescent Current Low Dropout Voltage Low Temperature Coefficient Tight Line and Load Regulation Guaranteed 100mA Output Current Internal Short Current & Thermal Limit Error Signals of Output Dropout (8 pin Versions Only) External Shut-down ( 8 pin Versions Only).

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