Datasheet > MAX1819

MAX1819

更新时间： 2024-11-06 14:57:43

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
9页	633K
描述
500mA、低压差线性稳压器，UCSP封装

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MAX1819 数据手册

19-2072; Rev 0; 1/02

500mA Low-Dropout Linear Regulator in UCSP

General Description

Features

The MAX1819 low-dropout linear regulator operates from

a 2.5V to 5.5V supply and delivers a guaranteed 500mA

load current with low 120mV dropout. The high-accuracy

( 1ꢀ% output voltage is preset at an internally trimmed

voltage (see the Selector Guide% or can be adjusted from

1.25V to 5V with an external resistive-divider.

♦ Guaranteed 500mA Output Current

♦ Low 90mV Dropout at 500mA

♦ ±±1 ꢀnꢁtꢁaꢂ Output Aꢃꢃuraꢃc

♦ Preset Output at ±.5V, ±.8V, 2V, 2.5V, 3.3V, 5V

♦ Adjustabꢂe Output from ±.25V to 5V

♦ Power-OK Output

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 6-pin UCSP™ package.

♦ Low ±25µA Ground Current

♦ 0.±µA Shutdown Current

♦ Thermaꢂ Overꢂoad Proteꢃtꢁon

♦ Output Current Lꢁmꢁt

♦ Tꢁnc 840mW 6-Pꢁn UCSP Paꢃkage

Ordering Information

PART

TEMP RANGE

PꢀN-PACKAGE

Applications

MAX1819EBL_ _ -T*

-40°C to +85°C 6 UCSP

Notebook Computers

Cellular and Cordless Telephones

Personal Digital Assistants (PDAs%

Palmtop Computers

Base Stations

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

blanks to complete the part number.

Selector Guide

PART AND

SUFFꢀX

USB Hubs

OUT

UCSP MARK

Docking Stations

MAX1819EBL 15

MAX1819EBL 18

MAX1819EBL 20

MAX1819EBL 25

MAX1819EBL 33

MAX1819EBL 50

1.5V or Adj

1.8V or Adj

2V or Adj

AAH

AAG

AAC

AAD

AAE

AAF

UCSP is a trademark of Maxim Integrated Products, Inc.

2.5V or Adj

3.3V or Adj

5V or Adj

Pin Configuration

Typical Operating Circuit

TOP VIEW

= 2.5V TO 5.5V

(TOP OF PC BOARD/

BALLS SOLDERED DOWN)

OUT

POK

SHDN

OUT

3.3µF

1µF

MAX1819

POK

100kΩ

MAX1819

µC

SHDN

SET

POK

GND

OUT

OFF

GND

SET

UCSP

________________________________________________________________ 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...9

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与MAX1819相关器件

型号	品牌	获取价格	描述	数据表
MAX1819EBL15-T	MAXIM	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 0.28V Dropout, CMOS, PBGA9, 3
MAX1819EBL20-T	MAXIM	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 0.28V Dropout, CMOS, PBGA9, 3
MAX1819EBL25+T	MAXIM	获取价格	Fixed/Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 0.28V Dropout, PBGA9, ROHS COM
MAX1819EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1819EBL18
MAX181ACPL	MAXIM	获取价格	Complete, 8-Channel, 12-Bit Data-Acquisition Systems
MAX181ACPL	ROCHESTER	获取价格	8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP40, PLASTIC, DIP-40
MAX181ACQH	MAXIM	获取价格	Complete, 8-Channel, 12-Bit Data-Acquisition Systems
MAX181ACQL	MAXIM	获取价格	Single-Ended Data Acquisition System
MAX181AEPL	MAXIM	获取价格	Complete, 8-Channel, 12-Bit Data-Acquisition Systems
MAX181AEQH	MAXIM	获取价格	Complete, 8-Channel, 12-Bit Data-Acquisition Systems

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