LP3910 datasheet(30/72 Pages) TI1

Part #	LP3910

Description	Power Management IC for Hard-Drive-Based Portable Media Players

PDF	72 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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30 / 72 page

Vref

LDO

controlled

VIN

VLDO

VREF

AGND

LP3910

SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015

www.ti.com

Feature Description (continued)

Figure 52. LDO Architecture Diagram

8.3.3.1 No-Load Stability

The LDOs remain stable and in regulation with no external load. This is an important consideration in some

circuits, for example, CMOS RAM keep-alive applications.

8.3.4 Li-Ion Linear Charger

8.3.4.1 Charger Architecture

The LP3910 can safely charge and maintain a single cell Li-ion or Li-polymer battery operating from a regulated

6-V car adapter, AC wall adapter, or USB power (VBUS). Input power source selection of USB/adapter is

seamless. If present, the charger uses the adapter power regardless of the presence of USB power. The

connection of either power source is detected by the LP3910 device.

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LP3910 Datasheet(PDF) 30 Page - Texas Instruments