Datasheet > LP3988IMFX-2.6

LP3988IMFX-2.6

更新时间： 2024-11-30 22:05:07

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器调节器光电二极管输出元件
页数	文件大小	规格书
11页	290K
描述
Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good

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LP3988IMFX-2.6 数据手册

August 2004

LP3988

Micropower, 150mA Ultra Low-Dropout CMOS Voltage

Regulator With Power Good

n 40dB PSRR at 10kHz

General Description

n ≤1 µA quiescent current when shut down

The LP3988 is a 150mA low dropout regulator designed

n Fast Turn-On time: 100 µs (typ.)

specially to meet requirements of Portable battery-

applications. The LP3988 is designed to work with a space

saving, small 1µF ceramic capacitor. The LP3988 features

an Error Flag output that indicates a faulty output condition.

n 80 mV typ dropout with 150mA load

n −40 to +125˚C junction temperature range for operation

n 1.85V, 2.5V, 2.6V, 2.85V, 3.0V, and 3.3V

The LP3988’s performance is optimized for battery powered

systems to deliver low noise, extremely low dropout voltage

and low quiescent current. Regulator ground current in-

creases only slightly in dropout, further prolonging the bat-

tery life.

Features

n 5 bump thin micro SMD package

n SOT-23-5 package

n Power-good flag output

Power supply rejection is better than 60 dB at low frequen-

cies and starts to roll off at 10 kHz. High power supply

rejection is maintained down to lower input voltage levels

common to battery operated circuits.

n Logic controlled enable

n Stable with ceramic and high quality tantalum capacitors

n Fast turn-on

n Thermal shutdown and short-circuit current limit

The device is ideal for mobile phone and similar battery

powered wireless applications. It provides up to 150 mA,

from a 2.5V to 6V input, consuming less than 1 µA in disable

mode and has fast turn-on time less than 200µs.

Applications

n CDMA cellular handsets

n Wideband CDMA cellular handsets

n GSM cellular handsets

n Portable information appliances

n Tiny 3.3V 5% to 2.85V, 150mA converter

The LP3988 is available 5 pin SOT-23 package and 5 bump

thin micro SMD package. Performance is specified for −40˚C

to +125˚C temperature range and is available in 1.85, 2.5,

2.6, 2.85, 3.0 and 3.3V output voltages.

Key Specifications

n 2.5 to 6.0V input range

n 150mA guaranteed output

Typical Application Circuit

20020502

DS200205

www.national.com

12 3 4 5 6 7...11

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与LP3988IMFX-2.6相关器件

型号	品牌	获取价格	描述	数据表
LP3988IMFX-2.6/NOPB	TI	获取价格	2.6V FIXED POSITIVE LDO REGULATOR, 0.15V DROPOUT, PDSO5, SOT-23, 5 PIN
LP3988IMFX-2.85	NSC	获取价格	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good
LP3988IMFX-2.85/NOPB	TI	获取价格	具有电源正常指示和使能功能的 150mA、低压降稳压器 \| DBV \| 5 \| -40 t
LP3988IMFX-2.85/NOPB	NSC	获取价格	IC VREG 2.85 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PDSO5, SOT-23, 5 PIN, Fixed P
LP3988IMFX-3.0	NSC	获取价格	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good
LP3988IMFX-3.0/NOPB	NSC	获取价格	IC VREG 3 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PDSO5, SOT-23, 5 PIN, Fixed Posi
LP3988IMFX-3.3	NSC	获取价格	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good
LP3988IMFX-3.3/NOPB	NSC	获取价格	IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PDSO5, SOT-23, 5 PIN, Fixed Po
LP3988IMFX-3.3/NOPB	TI	获取价格	具有电源正常指示和使能功能的 150mA、低压降稳压器 \| DBV \| 5
LP3988ITL-1.85	NSC	获取价格	Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator With Power Good

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