Datasheet > MAX1976EZT250-T

MAX1976EZT250-T

更新时间： 2024-11-14 05:44:43

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
20页	462K
描述
Fixed Positive LDO Regulator, 2.5V, 0.2V Dropout, BICMOS, PDSO6, EIAJ, SC-74, MO-193, SOT-23, 6 PIN

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MAX1976EZT250-T 数据手册

19-3040; Rev 2; 5/07

Low-Input-Voltage, 300mA LDO Regulators

with RESET in SOT and TDFN

General Description

Features

The MAX1963/MAX1976 low-dropout linear regulators

operate from a +1.62V to +3.6V supply and deliver a

guaranteed 300mA continuous load current with a low

100mV dropout. The high-accuracy ( 0.5%) output

voltage is preset to an internally trimmed voltage in the

+0.75V to +3.0V range. An active-low, open-drain reset

output remains asserted for at least 2.2ms (MAX1963)

or 70ms (MAX1976) after the output voltage reaches

regulation. These devices are offered in 6-pin thin

SOT23 and 6-pin 3mm x 3mm thin DFN packages.

♦ Low 1.62V Minimum Input Voltage

♦ Guaranteed 300mA Output Current

♦

2.ꢀ5 Aꢁꢁuraꢁc Oꢂer LoadꢃLineꢃ/emp

♦ Low 100mV Dropout at 300mA Load

♦ 2.2ms (MAX1963) or 70ms (MAX1976)

RESET Output Flag

♦ Supplc Current Independent of Load and

Dropout Voltage

An internal PMOS pass transistor allows the low supply

current to remain independent of load and dropout volt-

age, making these devices ideal for portable battery-pow-

ered equipment such as personal digital assistants

(PDAs), cell phones, cordless phones, and notebook com-

puters. Other features include logic-controlled shutdown,

short-circuit protection, and thermal-overload protection.

♦ Logiꢁ-Controlled Shutdown

♦ /hermal-Oꢂerload and Short-Cirꢁuit Proteꢁtion

♦ Preset Output Voltages (0.7ꢀV to 3.0V)

♦ /inc 6-Pin /hin SO/23 Paꢁkage (<1.1mm High)

♦ /hin 6-Pin /DFN Paꢁkage (<0.8mm High)

Ordering Information

Applications

PKG

Notebook Computers

Cellular and PCS Telephones

Personal Digital Assistants (PDAs)

Hand-Held Computers

Digital Cameras

PAR/*

/EMP RANGE PIN-PACKAGE

CODE

MAX1963EZT_ _ _-T -40°C to +85°C 6 Thin SOT23-6 Z6-1

MAX1963ETT_ _ _-T -40°C to +85°C 6 TDFN T633-2

MAX1976EZT_ _ _-T -40°C to +85°C 6 Thin SOT23-6 Z6-1

MAX1976ETT_ _ _-T -40°C to +85°C 6 TDFN T633-2

PCMCIA Cards

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

the blanks to complete the part number. Contact the factory for

other output voltages.

CD and MP3 Players

Pin Configurations

Typical Operating Circuit

TOP VIEW

INPUT

1.62V TO 3.6V

OUTPUT

0.75V TO 3.0V

300mA

OUT

1μF

LOGIC

SUPPLY

4.7μF

OUT

I.C.

GND

OUT

MAX1963

MAX1976

MAX1963

MAX1976

MAX1963

MAX1976

I.C.

SHDN

GND

100kΩ

RESET

SHDN

TO μC

SHDN

RESET

OFF

/DFN

GND

/HIN SO/23

3mm x 3mm

Selector Guide appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...20

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与MAX1976EZT250-T相关器件

型号	品牌	获取价格	描述	数据表
MAX1976EZT285	ROCHESTER	获取价格	2.85 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO6, EIAJ, SC-74, MO-193, SOT-23, 6
MAX1976EZT285+	ROCHESTER	获取价格	2.85 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO6, ROHS COMPLIANT, EIAJ, SC-74, MO
MAX1976EZT285+T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2.85V, 0.2V Dropout, BICMOS, PDSO6, ROHS COMPLIANT, EIAJ, SC
MAX1976EZT285-T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2.85V, 0.2V Dropout, BICMOS, PDSO6, EIAJ, SC-74, MO-193, SOT
MAX1976EZT300	MAXIM	获取价格	Fixed Positive LDO Regulator, 3V, 0.2V Dropout, BICMOS, PDSO6, EIAJ, SC-74, MO-193, SOT-23
MAX1976EZT300+T	MAXIM	获取价格	Fixed Positive LDO Regulator, 3V, 0.2V Dropout, BICMOS, PDSO6, ROHS COMPLIANT, EIAJ, SC-74
MAX1976EZT-T	MAXIM	获取价格	Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
MAX1977	MAXIM	获取价格	High-Efficiency, Quad Output, Main Power- Supply Controllers for Notebook Computers
MAX19777	MAXIM	获取价格	3Msps, Low-Power, Serial 12-Bit ADC
MAX19777	ADI	获取价格	3Msps、低功耗、串行、12位ADC

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