Datasheet > LM4125IM5-2.0

LM4125IM5-2.0

更新时间： 2024-09-16 20:08:23

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LM4125IM5-2.0 数据手册

November 2003

LM4125

Precision Micropower Low Dropout Voltage Reference

General Description

Features

n Small SOT23-5 package

n Low dropout voltage:

The LM4125 is a precision low power low dropout bandgap

voltage reference with up to 5 mA output current source and

sink capability.

120 mV Typ 1 mA

n High output voltage accuracy:

n Source and Sink current output:

n Supply current:

n Low Temperature Coefficient:

n Fixed output voltages:

n Industrial temperature Range:

0.2%

5 mA

This series reference operates with input voltages as low as

2V and up to 6V consuming 160 µA (Typ.) supply current. In

power down mode, device current drops to less than 2 µA.

160 µA Typ.

50 ppm/˚C

2.048, 2.5,and 4.096

−40˚C to +85˚C

The LM4125 comes in two grades (A and Standard) and

three voltage options for greater flexibility. The best grade

devices (A) have an initial accuracy of 0.2%, while the stan-

dard have an initial accuracy of 0.5%, both with a tempco of

50ppm/˚C guaranteed from −40˚C to +125˚C.

n (For extended temperature range, −40˚C to 125˚C,

contact National Semiconductor)

The very low dropout voltage, low supply current and power-

down capability of the LM4125 makes this product an ideal

choice for battery powered and portable applications.

Applications

n Portable, battery powered equipment

n Instrumentation and process control

n Automotive & Industrial

n Test equipment

The device performance is guaranteed over the industrial

temperature range (−40˚C to +85˚C), while certain specs are

guaranteed over the extended temperature range (−40˚C to

+125˚C). Please contact National for full specifications over

the extended temperature range. The LM4125 is available in

a standard 5-pin SOT-23 package.

n Data acquisition systems

n Precision regulators

n Battery chargers

n Base stations

n Communications

n Medical equipment

Connection Diagram

20069802

Refer to the Ordering Information Table in this Data Sheet for Specific Part Number

SOT23-5 Surface Mount Package

DS200698

www.national.com

12 3 4 5 6 7...12

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