Datasheet > LP3993IMF-1.8

LP3993IMF-1.8

更新时间： 2025-07-25 07:11:27

品牌	Logo	应用领域
德州仪器 - TI		光电二极管
页数	文件大小	规格书
9页	149K
描述
1.8V FIXED POSITIVE REGULATOR, PDSO5, SOT-23, 5 PIN

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LP3993IMF-1.8 数据手册

PRELIMINARY

June 2004

LP3993

Low I_Q, 80mA Linear Regulator for Digital Applications

General Description

Key Specifications

n Input Voltage Range

n Output Voltage Range

n Output Current

n Output Stable - Capacitors

n Virtually Zero I_Q(Disabled)

n Very Low I_Q(Enabled)

n Output Voltage Noise

n PSRR

2.5 to 6.0V

1.5 to 3.3V

80mA

The LP3993 is a linear regulator capable of supplying 80mA

output current. The LP3993 is designed to meet the require-

ments of digital systems where low I_Q, fast start up, and

good load transient response are important.

1.0uF

The device has been designed to work with small ceramic

capacitors of 1.0µF and above.

1µA

10µA at 1mA I_OUT

250µV_RMS

40dB at 1kHz

150µs

This device is available with outputs in the range 1.5V to

3.3V outputs. Please contact your local sales office for avail-

ability of particular voltage options.

n Start Up Time

n Low Dropout (where applic.)

n Load Transient Response

160mV typ.

60mV

Features

n Stable with Low-Value Ceramic Input and Output

Capacitors

Packages

micro SMD (4 Pin)

n No Noise Bypass Capacitor Required

Fast Turn-On

n Logic Controlled Enable

n Thermal-Overload and Short-Circuit Protection

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

SOT23 - 5

For other package options contact your NSC sales office.

Applications

n Cellular Phones

n PDA Handsets

n Wireless LAN devices

Typical Application Circuit

20089501

DS200895

www.national.com

12 3 4 5 6 7...9

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