MAX8873TEUK Maxim Integrated Products, MAX8873TEUK Datasheet

MAX8873TEUK

Manufacturer Part Number

MAX8873TEUK

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX8874TEUKT.pdf (8 pages)

Specifications of MAX8873TEUK

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The MAX8873T/S/R and MAX8874T/S/R low-dropout lin-

ear regulators operate from a +2.5V to +6.5V input

range and deliver up to 120mA. A PMOS pass transis-

tor allows the low, 82µA supply current to remain inde-

pendent of load, making these devices ideal for

battery-operated portable equipment such as cellular

phones and cordless phones.

The devices feature Dual Mode™ operation: their out-

put voltage is preset (at 3.15V for the T versions, 2.84V

for the S versions, or 2.80V for the R versions) or can be

adjusted with an external resistor divider. Total error on

the output is ±3.5%. Output voltages are set on the low

side of popular ranges so that power drain is minimized

for longer battery life. Other features include low-power

shutdown, short-circuit protection, thermal shutdown

protection, and reverse battery protection. The

MAX8874 also includes an auto-discharge function,

which actively discharges the output voltage to ground

when the device is placed in shutdown mode. Both

devices come in a miniature 5-pin SOT23 package.

For dual versions, refer to the MAX8865/MAX8866 data

sheet. For low-noise versions with 30µV

noise, refer to the MAX8877/MAX8878.

________________________Applications

19-1257; Rev 1; 3/98

Dual Mode is a trademark of Maxim Integrated Products.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 408-737-7600 ext. 3468.

__________Typical Operating Circuit

_______________General Description

Cordless Telephones

PCS Telephones

Cellular Telephones

PCMCIA Cards

BATTERY

1µF

________________________________________________________________ Maxim Integrated Products

Low-Dropout, 120mA Linear Regulators

SHDN

GND

MAX8873

MAX8874

Modems

Hand-Held Instruments

Palmtop Computers

Electronic Planners

SET

OUT

RMS

1µF

OUT

OUTPUT

VOLTAGE

output

____________________________Features

__________________Pin Configuration

______________Ordering Information

MAX8873TEUK-T

MAX8873SEUK-T

MAX8873REUK-T -40°C to +85°C

MAX8874TEUK-T -40°C to +85°C

MAX8874SEUK-T -40°C to +85°C

MAX8874REUK-T -40°C to +85°C

LP2980 Pin-Compatible SOT23 Package

Low, 55mV Dropout Voltage at 50mA I

(130mV at 120mA)

Low, 73µA No-Load Supply Current

Low, 82µA Operating Supply Current (even in

dropout)

Miniature External Components

Thermal Overload Protection

Output Current Limit

Reverse Battery Protection

Dual Mode Operation: Fixed or Adjustable

(1.25V to 6.5V) Output

Low-Power Shutdown

TOP VIEW

PART

SHDN

GND

-40°C to +85°C

TEMP. RANGE

SOT23-5

MAX8873

MAX8874

PACKAGE

5 SOT23-5

PIN-

OUT

SET

OUT

SOT TOP

MARK

ABZH

ABZM

ABZK

ABZL

ABZJ

ABZI

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