LP3101A datasheet(1/8 Pages) POWER

Teilenummer	LP3101A

Bauteilbeschribung	Dual Channel Charge Pump Power Solution For TFT LCD Panel

PDF	8 Pages

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Hersteller	POWER [Lowpower Semiconductor inc]

Direct Link	http://www.lowpowersemi.com

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LP3101A– 00

Aug.-2015

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

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Preliminary Datasheet

LP3101A

Dual Channel Charge Pump Power Solution For TFT LCD Panel

General Description

The LP3101A DC/DC converter integrates two low

noise, high efficiency charge pumps for dual outputs,

which consist of one inverting output and a step-up

output. The device operates from 2.5V to 4.8V input,

and provides a step-up output voltage (VP) of 2x the

input voltage. The negative inverting output (VN) is

-1xinverted from the positive output VP.

The LP3101A is available in a small TDFN-12 pin

package that features a bottom side exposed

thermal pad to provide optimal heat dissipation. The

small package size and low external parts count

make the device ideally suitable for TFT LCD

applications of mobile products. The device is rated

to operate from – 40 ℃ to +85 ℃ ambient

temperature range.

Ordering Information

LP3101A □ □

□

F: Pb-Free

Package Type

QV: TDFN-12

Applications



Mobile Device, Smart Phone



Portable Media Players/MP3 players



Cellular and Smart mobile phone



LCD Bias Power

Features



2.5V to 4.8V Input Supply Voltage Range



Adaptive 1.5x/ 2x mode switchover for positive

voltage and -1x mode for negative voltage



VP output range: 5.4V to 5.9V



VN output range: -5.4V to -5.9V



High current output:



Vin=2.8V, Iout=±40mA;



Vin=3.3V, Iout=±50mA;



Built in Power On Sequence



TDFN-12 1.5mm × 3.0mm Package

Typical Application Circuit

VIN

C1P

C1N

EN

GND

C3N

C3P

VN

C2N

C2P

VP

ON

OFF

VIN

Positive

Output

C2

C3

C1

C5

C6

C4

Negative

Output

LP3101A

2.2uF~4.7uF

1uF~2.2uF

R0

100K

2.2uF~4.7uF

1uF~2.2uF

Marking Information

Device

Marking

Package

Shipping

LP3101A

YWX

TDFN-12

3K/REEL

Marking indication:

Y:Production year W:Production week X:Production batch

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