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LDFMPUR

Part Number	LDFMPUR
Manufacturer	STMicroelectronics
Description	500 mA very low drop voltage regulator
Published	Dec 26, 2016
Detailed Description	LDFM Datasheet 500 mA very low drop voltage regulator PPAK DFN6 (2x2) DFN6 (3x3) DPAK Maturity status link LDFM Fe...
Datasheet	LDFMPUR PDF File

Overview

LDFM Datasheet 500 mA very low drop voltage regulator PPAK DFN6 (2x2) DFN6 (3x3) DPAK Maturity status link LDFM Features • Input voltage from 2.
5 to 16 V • Very low dropout voltage (300 mV max.
at 500 mA load) • Low quiescent current (200 µA typ.
@ 500 mA load) • Available in 1 % precision in PPAK and DFN6 packages, 2 % in DPAK • 500 mA guaranteed output current • Wide range of output voltages available on request: adjustable from 0.
8 V, fixed up to 12 V in 100 mV steps • Logic-controlled electronic shutdown • Power Good (PPAK and DFN packages) • Fast dynamic response to line and load changes • Internal current and thermal protection • Temperature range: - 40 °C to 125 °C Applications • PCs and laptop computers • Battery-powered equipment • Industrial and medical equipment • Portable equipment Description The LDFM is a fast, very low drop linear regulator which operates from an input supply voltage in the range of 2.
5 V to 16 V.
It is available in fixed and adjustable output voltage versions, from 0.
8 V to 12 V.
The LDFM features high output precision, very low dropout voltage, low noise, and low quiescent current, therefore suitable for low voltage microprocessors and memory applications.
Enable logic control pin and Power Good output are featured on PPAK/DFN packages.
Current and thermal protection are provided.
DS9220 - Rev 6 - May 2021 For further information contact your local STMicroelectronics sales office.
www.
st.
com 1 Block diagram Figure 1.
Block diagram (generic version) LDFM Block diagram DS9220 - Rev 6 page 2/36 2 Pin configuration Figure 2.
Pin connection (top view) LDFM Pin configuration TAB TAB PPAK DPAK DFN6 AM13904V1 Pin n° PPAK DPAK 5 - 2 1 4 3 1 - 3 2 TAB TAB Table 1.
Pin description DPAK, PPAK Symbol ADJ/PG VIN VOUT EN GND GND Function For adjustable versions: error amplifier input pin.
For fixed version: Power Good output Input voltage Output voltage Enable pin logic input: Low = shutdown, High = active...

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