MAX4829ELT+T

更新时间： 2024-11-05 13:10:35

品牌	Logo	应用领域
美信 - MAXIM		电源电路开关电源管理电路光电二极管信息通信管理
页数	文件大小	规格书
10页	613K
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MAX4829ELT+T 数据手册

19-3672; Rev 0; 5/05

50mA/100mA Current-Limit Switches with

NO-LOAD Flag in µDFN

General Description

Features

♦ Guaranteed Current Limit: 50mA, 100mA

♦ Thermal Shutdown Protection

♦ Reverse-Current Protection

♦ 0.7Ω On-Resistance (MAX4826–MAX4831)

♦ 14ms Guaranteed Blanking Time

♦ Fault Flag (FFLG)

The MAX4826–MAX4831 family of switches has internal

current limiting to prevent host devices from being

damaged due to faulty load conditions. These analog

switches have a low 0.7Ω on-resistance and operate

from a +2.3V to +5.5V input voltage range. These

devices are available with guaranteed 50mA and

100mA current limits, making them ideal for load-

switching applications. In addition to the current-limit

fault flag (FFLG), an open-drain no-load flag indicator

(NOLD) notifies the system when the current through

the switch is less than 10mA (MAX4826–MAX4829), or

5mA (MAX4830/MAX4831).

♦ No-Load Flag (NOLD)

♦ 65µA Supply Current

When the switch is on and a load is connected to the

port, a guaranteed blanking time of 14ms ensures that

the transient voltages settle down. If, after this blanking

time, the load current is greater than the current limit,

the MAX4826/MAX4828/MAX4830 enter a latch-off state

where the switch is turned off, and FFLG is issued to

the microprocessor. The switch can be turned on again

by cycling the power or ON.

♦ 8µA Latch-Off Current

♦ 0.01µA Shutdown Current

♦ +2.3V to +5.5V Supply Range

♦ Undervoltage Lockout

♦ Fast Current-Limit Response Time

♦ 6-Pin µDFN Package (1mm x 1.5mm)

The MAX4827/MAX4829/MAX4831 have an autoretry

feature where the switch turns off after the blanking

time, and then continuously checks to see if the over-

load condition is present. The current-limit fault flag

(FFLG) is issued and remains low until after the fault

condition is removed. The switch remains on after the

overload condition disappears.

Applications

GPS Systems

Cell Phones

Digital Still Cameras

The MAX4826–MAX4831 operate over the extended

-40°C to +85°C temperature range, and are available in a

tiny space-saving, 1mm x 1.5mm, 6-pin µDFN package.

PDAs and Palmtop Devices

MP3 Players

Ordering Information/Selector Guide

MIN FULL-

PIN-

PACKAGE

MAX NO-

LOAD LIMIT

(mA)

ON-RESISTANCE

TOP

MARK

PKG

CODE

PART

LOAD LIMIT

(mA)

(Ω)

MODE

= +25°C

MAX4826ELT

MAX4827ELT*

MAX4828ELT*

MAX4829ELT

MAX4830ELT

MAX4831ELT*

6 µDFN

Latch Off

Autoretry

Latch Off

Autoretry

Latch Off

Autoretry

L611-1

100

Note: All devices operate over the -40°C to +85°C operating range.

*Future product—contact factory for availability.

Pin Configuration 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...10

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MAX4829ELT+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX4827ELT+T	MAXIM	功能相似	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO6, 1.50 X 1 MM, ROHS COMPLIANT
MAX4829ELT	MAXIM	功能相似	50mA/100mA Current-Limit Switches with NO-LOA

与MAX4829ELT+T相关器件

型号	品牌	获取价格	描述	数据表
MAX483	MAXIM	获取价格	Overvoltage Protection Controllers with Status FLAG
MAX483	ADI	获取价格	低功耗、限摆率、RS-485/RS-422收发器
MAX4830	ADI	获取价格	50mA/100mA限流开关，带有空载标记，μDFN封装
MAX4830ELT	MAXIM	获取价格	50mA/100mA Current-Limit Switches with NO-LOA
MAX4830ELT/V+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO6, 1.50 X 1 MM, ROHS COMPLIANT
MAX4830ELV	MAXIM	获取价格	50mA/100mA Current-Limit Switches with NO-LOAD Flag in uDFN
MAX4831	ADI	获取价格	50mA/100mA限流开关，带有空载标记，μDFN封装
MAX4831ELT	MAXIM	获取价格	50mA/100mA Current-Limit Switches with NO-LOA
MAX4831ELT+	MAXIM	获取价格	暂无描述
MAX4831ELT-T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO6, 1.50 X 1 MM, 0.80 MM HEIGHT

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