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MIC2779L-2BM5TR

更新时间： 2024-02-01 21:57:56

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
8页	54K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, PDSO5, SOT-23, 5 PIN

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MIC2779L-2BM5TR 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOT-23	包装说明：	LSSOP,
针数：	5	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.15	Is Samacsys：	N
可调阈值：	YES	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e0
长度：	2.91 mm	湿度敏感等级：	1
信道数量：	1	功能数量：	1
端子数量：	5	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	240
认证状态：	Not Qualified	座面最大高度：	1.45 mm
最大供电电压 (Vsup)：	5.5 V	最小供电电压 (Vsup)：	1.5 V
标称供电电压 (Vsup)：	1.6 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn85Pb15)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	1.625 mm	Base Number Matches：	1

MIC2779L-2BM5TR 数据手册

MIC2779

Micrel

MIC2779

Voltage Monitor with Adjustable Hysteresis

Preliminary Information

General Description

Features

The MIC2779 is a voltage monitor—uniquely designed to

detect two separate voltage thresholds—combined with a

delay generator and logic. It is designed for monitoring the

battery supply of portable digital systems, particularly PDAs,

pagers, and cellular telephones.

• Optimized for PDAs, cellular telephones, pagers,

and other battery-powered devices

• Independently adjustable high- and

low-voltage thresholds

• Internal logic prevents battery-voltage-fluctuation chatter

• High ±2% voltage threshold accuracy; 1% available

• Built in 140ms (minimum) delay deglitches output

• Extremely low 1µA typical supply current

• For applications requiring open-drain output, see

MIC2778/MIC833

High- and low-voltage thresholds can be adjusted indepen-

dently,allowingforwidehysteresis.Voltagedetectionthresh-

olds are accurate to 2%.

Ifthebatteryvoltagefallsbelowthelow-voltagethreshold,the

output /RST or RST is asserted and latched, preventing

system operation until the battery is replaced or recharged.

Internal logic prevents the output from chattering due to

battery recovery or load removal. The output is asserted for

140ms (minimum) when a fresh battery is inserted. For

applications requiring open-drain output, see MIC2778/

MIC833.

• Immune to brief power supply transients

• 5-lead SOT-23 package

Applications

• PDAs

• Pagers

The IC’s power supply input is separate from the detector

inputs, allowing the MIC2779 to be powered from a down-

stream supply, such a boost converter. Supply current is

extremely low (1µA, typical), making it ideal for portable

applications.

• Cordless phones

• Consumer electronics

• Embedded controllers

• Personal electronics

A high-precision 1% grade is available. The MIC2779 is

supplied in Micrel’s IttyBitty™ 5-lead SOT-23-5 package.

Typical Application

V_OUT

3.0V

MIC5207-3.0BM5

OUT

BYP

GND

470pF

MIC2779L

Li-Ion

Cell

4.7µF

604k

VDD

LTH

/RST

56k

HTH GND

340k

_BAT(hi)= 3.6V

V_BAT(lo)= 3.1V

Cellular Telephone Battery Monitor

IttyBitty™ is a trademark of Micrel, Inc.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

June 2000

MIC2779

12 3 4 5 6 7 8

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与MIC2779L-2BM5TR相关器件

型号	品牌	获取价格	描述	数据表
MIC2782	MICROCHIP	获取价格	The MIC2782 is a two input, two output push button reset IC. It will generate a reset puls
MIC2782_12	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs
MIC2782CLYCS	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs
MIC2782CLYCS-TR	MICROCHIP	获取价格	POWER SUPPLY SUPPORT CKT
MIC2782CMYCS	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs
MIC2782CRYCS	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs
MIC2782CRYCS-TR	MICROCHIP	获取价格	Power Supply Support Circuit
MIC2782DLYCS	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs
MIC2782DLYCS-TR	MICROCHIP	获取价格	POWER SUPPLY SUPPORT CKT
MIC2782DMYCS	MICREL	获取价格	Dual-Input Push Button Reset IC with Immediate and Delayed Outputs

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