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LV5781 - Step-down Converter

General Description

GND of output voltage setting pins FB0 and FB2.

It is connected to GND for use when pin FB2 is used.

Output ON/OFF with an active-high polarity.

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Datasheet Details

Part number LV5781
Manufacturer onsemi
File Size 79.06 KB
Description Step-down Converter
Datasheet download datasheet LV5781 Datasheet

Full PDF Text Transcription for LV5781 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LV5781. For precise diagrams, and layout, please refer to the original PDF.

Ordering number : ENA0663A LV5781 Bi-CMOS IC 3A, Point-of-load, Chopper-type Step-down Converter http://onsemi.com Overview The LV5781 is a 1-channel chopper-type (low-si...

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p://onsemi.com Overview The LV5781 is a 1-channel chopper-type (low-side Schottky diode) step-down switching regulator. It incorporates an 80mΩ (typical) power MOSFET to achieve high-efficiency operation for 3A output currents. The output voltage is set internally to 3.3V. By adding two external resistors, it is possible to set the voltage to any desired setting above 0.85V. Inrush current at startup can be prevented by the soft start function. Using the ON/OFF pins, the converter can be set to standby mode in which the current consumption is 10μA or less. Both the load and the IC are protected by means of the overcurrent

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