MAX1818EUT33 Maxim Integrated Products, MAX1818EUT33 Datasheet

MAX1818EUT33

Manufacturer Part Number

MAX1818EUT33

Description

SOT-23

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX1818EUT33.pdf (9 pages)

2.MAX1818EUT33.pdf (9 pages)

Specifications of MAX1818EUT33

Date_code

07+

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Current page: 1 of 9
Download datasheet (263Kb)

The MAX1818 low-dropout linear regulator operates

from a +2.5V to +5.5V supply and delivers a guaran-

teed 500mA load current with low 120mV dropout. The

high-accuracy (±1%) output voltage is preset at an

internally trimmed voltage (see Selector Guide) or can

be adjusted from 1.25V to 5.0V with an external resis-

tive divider.

An internal PMOS pass transistor allows the low 125µA

supply current to remain independent of load, making

this device ideal for portable battery-operated equip-

ment such as personal digital assistants (PDAs), cellu-

lar phones, cordless phones, base stations, and

notebook computers.

Other features include an active-low open-drain reset

output that indicates when the output is out of regula-

tion, a 0.1µA shutdown, short-circuit protection, and

thermal shutdown protection. The device is available in

a miniature 800mW 6-pin SOT23 package.

19-1860; Rev 1; 3/01

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

TOP VIEW

Notebook Computers

Cellular and Cordless Telephones

Personal Digital Assistants (PDAs)

Palmtop Computers

Base Stations

USB Hubs

Docking Stations

SHDN

POK

________________________________________________________________ Maxim Integrated Products

General Description

MAX1818

SOT23

Pin Configuration

Applications

OUT

SET

GND

Linear Regulator in SOT23

o Guaranteed 500mA Output Current

o Low 120mV Dropout at 500mA

o ±1% Output Voltage Accuracy

o Power OK Output

o Low 125µA Ground Current

o 0.1µA Shutdown Current

o Thermal Overload Protection

o Output Current Limit

o Tiny 800mW 6-Pin SOT23 Package

*Insert the desired two-digit suffix (see Selector Guide) into the

blanks to complete the part number.

Note: The MAX1818 requires a special solder temperature

profile described in the Absolute Maximum Ratings section.

MAX1818EUAT_ _

MAX1818EUT15

MAX1818EUT18

MAX1818EUT20

MAX1818EUT25

MAX1818EUT33

MAX1818EUT50

PART AND

1µF

= 2.5V TO 5.5V

Preset at 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, 5V

Adjustable from 1.25V to 5.0V

500mA Low-Dropout

PART*

SUFFIX

OFF

Typical Operating Circuit

SHDN

SET

-40°C to +85°C

TEMP RANGE

1.5V or Adj

1.8V or Adj

2.0V or Adj

2.5V or Adj

3.3V or Adj

5.0V or Adj

Ordering Information

MAX1818

OUT

GND

OUT

POK

Selector Guide

PIN-PACKAGE

6 SOT23-6

TOP MARK

Features

SOT23

AASO

AANU

AANG

AANH

AANV

AANF

100k

POK

3.3µF

OUT

µC

OUT

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