MAX14527

更新时间： 2024-11-05 05:48:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
7页	107K
描述
Adjustable Overvoltage Protector with High Accuracy

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中文翻译

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数据手册

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MAX14527 数据手册

19-4357; Rev 0; 10/08

Adjustable Overvoltage Protector

with High Accuracy

7/MAX14528

General Description

Features

The MAX14527/MAX14528 overvoltage protection

♦ Input Voltage Protection Up to +28V

devices feature a low 100mΩ (typ) R

internal FET

♦ Preset Internal 2ꢀ.5 ꢁccurate ꢂVꢃꢂ ꢄTresTolꢅs

.ꢀ7.V (MꢁX14.27)

and protect low-voltage systems against voltage faults

up to +28V. When the input voltage exceeds the over-

voltage threshold, the internal FET is turned off to pre-

vent damage to the protected components.

6ꢀ76V (MꢁX14.28)

♦ ꢁꢅjustable ꢂvervoltage Protection ꢄrip ꢃevel

The overvoltage protection threshold can be adjusted

with optional external resistors to any voltage between

4V and 8V. With the OVLO input set below the external

OVLO select voltage, the MAX14527/MAX14528 auto-

matically choose the internal 2.5ꢀ accurate trip

thresholds. The internal overvoltage thresholds (OVLO)

are preset to 5.75V typical (MAX14527) or 6.76V typical

(MAX14528). The MAX14527/MAX14528 are also

protected against overcurrent events with an internal

thermal shutdown.

♦ Integrateꢅ 100mΩ (typ) n-CTannel MꢂSFEꢄ

SwitcT

♦ Soft-Start to Minimize In-RusT Current

♦ ꢁutomatic ꢂvervoltage Protection ꢄrip-ꢃevel

Selection

♦ Internal 1.ms Startup Delay

♦ ꢄTermal STutꢅown Protection

♦ 8-Pin ꢄDFN (2mm x 2mm) Package

♦ -40°C to +8.°C ꢂperating ꢄemperature Range

The MAX14527/MAX14528 are offered in a small, 8-pin

TDFN-EP package and operate over the -40°C to

+85°C extended temperature range.

Ordering Information

Applications

Cell Phones

ꢄꢂP

MꢁRK

ꢂVꢃꢂ

(V)

PꢁRꢄ

PIN-PꢁCKꢁGE

Media Players

MꢁX14.27ETA+T 8 TDFN-EP*

MꢁX14.28ETA+T 8 TDFN-EP*

ACR

ACS

5.75

6.76

PDAs and Palmtop Devices

Note: Devices are specified over the -40°C to +85°C tempera-

ture range.

+Denotes a lead-free/RoHS-compliant package.

T = Tape and reel.

*EP = Exposed pad.

Pin Configuration appears at enꢅ of ꢅata sTeetꢀ

Typical Application Circuit

VBUS

USB

CONNECTOR

CHARGER

INPUT

OUT

1µF

OUT

PMIC

MAX14527

MAX14528

OVLO

GND

*R1 AND R2 ARE REQUIRED ONLY FOR ADJUSTABLE OVLO; OTHERWISE, CONNECT OVLO TO GND.

________________________________________________________________ Maxim Integrateꢅ Proꢅucts

For pricing, ꢅelivery, anꢅ orꢅering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim's website at wwwꢀmaxim-icꢀcomꢀ

12 3 4 5 6 7

中文翻译

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与MAX14527相关器件

型号	品牌	获取价格	描述	数据表
MAX14527ETA+	ROCHESTER	获取价格	IC,OVERVOLTAGE PROTECTOR,BICMOS,LLCC,8PIN,PLASTIC
MAX14527ETA+T	MAXIM	获取价格	Adjustable Overvoltage Protector with High Accuracy
MAX14528	MAXIM	获取价格	Adjustable Overvoltage Protector with High Accuracy
MAX14528	ADI	获取价格	高精度、可调节过压保护器
MAX14528ETA+	MAXIM	获取价格	Power Management Circuit, BICMOS, PDSO8,
MAX14528ETA+T	MAXIM	获取价格	Adjustable Overvoltage Protector with High Accuracy
MAX14529	MAXIM	获取价格	Overvoltage Protection with USB Charger Detection, LDO, and ESD Protection on D/D-
MAX14529E	MAXIM	获取价格	Overvoltage Protection with USB Charger Detection, LDO, and ESD Protection on D+/D-
MAX14529E	ADI	获取价格	具有USB充电检测、LDO的过压保护电路，D+/D-端提供ESD保护
MAX14529EEWC+	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PBGA12, WLP-12

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