LP6218 overview
LP6218 is a component documented by Lowpower Semiconductor. The PDF description identifies it as "High Efficiency 2.1A Boost DC/DC Convertor." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Lowpower Semiconductor ...
- Part number: LP6218
- Category: Power Management
- Datasheet length: 9 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- A logic high input(VEN>1.4V) turns on the regulator.
- A logic low input(VEN<0.4V) puts the LP6218 into low current shutdown mode.
- Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
- The voltage at the output of the error amplifier is an amplified version of the difference between the 0.6V bandgap reference voltage and the feedback voltage.
- The voltage divider drops t he output voltage to the 0.6V feedback voltage.
- Determine the high-side resistor R1 by the equation: VOUT = ( R1 / R2 + 1 ) x VFB Current Limitation The internal power-MOS switch current is monitored cycle-by-cycle and is limited to the value not exceed 2.1A(Typ.).
- Inductor Selection For a better efficiency in high switching frequency converter, the inductor selection has to use a proper core material such as ferrite core to reduce the core loss and choose low ESR wire to reduce copper loss.
Topics covered by the datasheet
The document includes sections related to:
- Features
- Electrical Characteristics
Engineering review checklist
- Confirm repetitive reverse voltage, average forward current, surge current and leakage at the intended temperature.
- Check forward-voltage loss and reverse-recovery behavior at the actual current and switching frequency.
- Review package thermal resistance, copper area, polarity marking and transient derating before layout release.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the LP6218 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=lp6218-lowpower-semiconductor