Datasheet > LM2852XMXAX-3.0

LM2852XMXAX-3.0

更新时间： 2024-11-08 03:14:03

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
14页	664K
描述
2A 500/1500kHz Synchronous SIMPLE SWITCHER㈢ Buck Regulator

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LM2852XMXAX-3.0 数据手册

October 2006

LM2852

2A 500/1500kHz Synchronous SIMPLE SWITCHER^®Buck

Regulator

General Description

Features

The LM2852 SIMPLE SWITCHER^®synchronous buck regu-

lator is a high frequency step-down switching voltage regu-

lator capable of driving up to a 2A load with excellent line and

load regulation. The LM2852 can accept an input voltage

between 2.85V and 5.5V and deliver an output voltage that is

factory programmable from 0.8V to 3.3V in 100mV incre-

ments. The LM2852 is available with a choice of two switch-

ing frequencies - 500kHz (LM2852Y) or 1.5MHz (LM2852X).

It also features internal, type-three compensation to deliver a

low component count solution. The exposed-pad TSSOP-14

package enhances the thermal performance of the LM2852.

n Input voltage range of 2.85 to 5.5V

n Factory EEPROM set output voltages from 0.8V to 3.3V

in 100mV increments

n Maximum load current of 2A

n Voltage Mode Control

n Internal type-three compensation

n Switching frequency of 500kHz or 1.5MHz

n Low standby current of 10µA

n Internal 60 mΩ MOSFET switches

n Standard voltage options 0.8/1.0/1.2/1.5/1.8/2.5/3.3 volts

Applications

n Low voltage point of load regulation

n Local solution for FPGA/DSP/ASIC core power

n Broadband networking and communications

infrastructure

n Portable computing

Typical Application Circuit

20127001

20127002

SIMPLE SWITCHER^®

SIMPLE SWITCHERreg; is a registered trademark of National Semiconductor Corporation

DS201270

www.national.com

12 3 4 5 6 7...14

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