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LM2619

Part Number	LM2619
Manufacturer	National Semiconductor
Description	500mA Sub-Miniature Step-Down DC-DC Converter
Published	Feb 21, 2020
Detailed Description	LM2619 500mA Sub-Miniature Step-Down DC-DC Converter October 2003 LM2619 500mA Sub-Miniature Step-Down DC-DC Converte...
Datasheet	LM2619 PDF File

Overview

LM2619 500mA Sub-Miniature Step-Down DC-DC Converter October 2003 LM2619 500mA Sub-Miniature Step-Down DC-DC Converter General Description The LM2619 step down DC-DC converter is optimized for powering circuits from a single Lithium-Ion cell.
It steps down an input voltage of 2.
8V to 5.
5V to an output of 1.
5V to 3.
6V at up to 500mA.
Output voltage is set using resistor feedback dividers.
The device offers three modes for mobile phones and similar portable applications.
Fixed-frequency PWM mode minimizes RF interference.
A SYNC input allows synchronizing the switching frequency in a range of 500kHz to 1MHz.
Low current hysteretic PFM mode reduces quiescent current to 160µA (typ.
).
Shutdow...

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