LP3301S datasheet(1/8 Pages) POWER

部件名	LP3301S

功能描述	1.2MHzFixed-Frequency PWM Operation

PDF	8 Pages

Scroll/Zoom	100%

制造商	POWER [Lowpower Semiconductor inc]

网页	http://www.lowpowersemi.com

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Preliminary Datasheet

LP3301S

LP3301S– 00 Version1.0 Datasheet

Feb.-2010

www.lowpowersemi.com

Page 1 of 8

1.2MHz,30V/1.4A High Performance, Boost Converter

General Description

The LP3301S is a 1.2MHz PWM boost switching

regulator designed for constant-voltage boost

applications. The LP3301S can drive a string of up

to 30V. The LP3301S implements a constant

frequency 1.2MHz PWM control scheme. The high

frequency PWM operation also saves board space

by reducing external component sizes. To improve

efficiency, the feedback voltage is set to 1250 mV,

which reduces the power dissipation in the voltage

setting resistor.

Highly integration and internal compensation

network minimizes as 5 external component counts.

Optimized operation frequency can meet the

requirement of small LC filters value and low

operation current with high efficiency.

Ordering Information

LP3301S

F: Pb-Free

Package:

B5: SOT23-5

B6: SOT23-6

Pin Configurations

(TSOT23-6)

(SOT23-5)

Features

High Efficiency: 95% 　

1.2MHzFixed-Frequency PWM Operation

Maximum Output Voltage up to 30V

Guaranteed 13V/400mA Output with 5V input

Operating Range : 2.7V to 5.5V

Shutdown Supply Current:<1uA 　

Programmable Soft-star

Available in SOT23-6/SOT23-5 Package 　

Minimize the External Component

RoHS Compliant and 100% Lead (Pb)-Free

Applications

Panel Bais Voltage supply

OLED Backlight driver

Notebook Computers

Portable Applications

MID/PTV

Typical Application Circuit

Marking information

Please view website.

Vin

10uH

GND

2

SHDN

4

FB

3

Vin

6

LX

1

SS

5

LP3301s

C2

4.7uF

C3/NC

100pF

C1

4.7uF

C4

33nF

R2

100K

R1

860K

Vout

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Lowpower Semiconductor ...	LP3301	310Kb / 6P	1.5MHz Fixed-Frequency PWM Operation

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LP3301S 数据表(PDF) 1 Page - Lowpower Semiconductor inc

LP3301S 数据表(HTML) 1 Page - Lowpower Semiconductor inc

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LP3301S 数据表(PDF) 1 Page - Lowpower Semiconductor inc

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