Datasheet > MAX8874

MAX8874

更新时间： 2024-09-22 14:58:07

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
10页	253K
描述
低压差、120mA线性稳压器

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MAX8874 数据手册

MAX8873T/S/R, MAX8874T/S/R

Low-Dropout, 120mA Linear Regulators

_______________General Description

____________________________Features

o LP2980 Pin-Compatible SOT23 Package

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.

o Low, 55mV Dropout Voltage at 50mA I

(130mV at 120mA)

OUT

o Low, 73µA No-Load Supply Current

Low, 82µA Operating Supply Current (even in

dropout)

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 3.5ꢀ. 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.

o Miniature External Components

o Thermal Overload Protection

o Output Current Limit

o Reverse Battery Protection

o Dual Mode Operation: Fixed or Adjustable

(1.25V to 6.5V) Output

o Low-Power Shutdown

______________Ordering Information

PIN-

SOT TOP

MARK

PART

TEMP RANGE

PACKAGE

For dual versions, refer to the MAX8865/MAX8866 data

sheet. For low-noise versions with 30µV

noise, refer to the MAX8877/MAX8878.

output

RMS

5 SOT23

5 SOT25

5 SOT23

MAX8873TEUK+T

MAX8873SEUK+T

MAX8873REUK+T

-40°C to +85°C

ABZH

ABZI

________________________Applications

ABZL

AFMM

ABZJ

ABZK

ABZM

MAX8873REUK/V+T -40°C to +85°C

Cordless Telephones

PCS Telephones

Cellular Telephones

PCMCIA Cards

Modems

MAX8874TEUK+T

MAX8874SEUK+T

MAX8874REUK+T

-40°C to +85°C

Hand-Held Instruments

Palmtop Computers

Electronic Planners

+Denotes a lead-free (Pb)/RoHS-compliant package.

/V denotes an automotive qualified part.

__________Typical Operating Circuit

__________________Pin Configuration

TOP VIEW

OUT

GND

OUT

OUTPUT

VOLTAGE

MAX8873

MAX8874

MAX8873

MAX8874

1µF

OUT

1µF

SHDN

BATTERY

GND

SET

SHDN

SET

SOT23

Dual Mode is a trademark of Maxim Integrated Products.

For pricing, delivery, and ordering information, please contact Maxim Direct

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

19-1257; Rev 2; 3/13

12 3 4 5 6 7...10

中文翻译

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与MAX8874相关器件

型号	品牌	获取价格	描述	数据表
MAX8874REUK	MAXIM	获取价格	Fixed/Adjustable Positive LDO Regulator, PDSO5,
MAX8874REUK+	MAXIM	获取价格	暂无描述
MAX8874REUK+T	MAXIM	获取价格	暂无描述
MAX8874REUK-T	MAXIM	获取价格	Low-Dropout, 120mA Linear Regulators
MAX8874SEUK+T	MAXIM	获取价格	Fixed/Adjustable Positive LDO Regulator, 2.75V Min, 2.93V Max, 0.12V Dropout, PDSO5, ROHS
MAX8874SEUK-T	MAXIM	获取价格	Low-Dropout, 120mA Linear Regulators
MAX8874T/S/R	MAXIM	获取价格	Low-Dropout 120mA Linear Regulators
MAX8874TEUK+T	MAXIM	获取价格	Low-Dropout, 120mA Linear Regulators
MAX8874TEUK-T	MAXIM	获取价格	Low-Dropout, 120mA Linear Regulators
MAX8875	MAXIM	获取价格	150mA, Low-Dropout Linear Regulator with Power-OK Output

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