IMP706JEPA

更新时间： 2024-01-29 19:13:49

品牌	Logo	应用领域
A1PROS		光电二极管
页数	文件大小	规格书
9页	278K
描述
3/3..3/4..0V μP Superrviissorr Ciirrccuiittss

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IMP706JEPA 技术参数

生命周期：	Contact Manufacturer	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.7
Is Samacsys：	N	Base Number Matches：	1

IMP706JEPA 数据手册

IMP706P/R/S/T/J, IMP708R/S/T/J

OWER

ANAGEMENT

Key Features

3/3.3/4.0V µP Supervisor Circuits

– Low supply current

– Watchdog timer

– Brownout detection

The IMP706P/R/S/T/J and IMP708R/S/T/J CMOS supervisor circuits

monitor power-supply and battery voltage level, and µP/µC operation.

A reset is generated when the supply drops below 2.63V (IMP706P/R,

IMP708R), 2.93V (IMP706S, IMP708S), 3.08V (IMP706T, IMP708T) or 4.00

(IMP706J, IMP708J).

◆

Lower power, pin compatible replacements for

Maxim MAX706P/R/S/T, MAX708R/S/T

– 30% lower supply current:140µA vs. 200µA

Precision power supply monitor

– 2.63V threshold (IMP706P/R, IMP708R)

– 2.93V threshold (IMP706S, IMP708S)

– 3.08V threshold (IMP706T, IMP708T)

– New 4.00V threshold (IMP706J, IMP708J)

Debounced manual reset input

Auxiliary voltage monitor comparator

– 1.25V threshold

– Battery monitor/auxiliary supply monitor

Watchdog timer (IMP706P/R/S/T/J)

– Watchdog can be disabled by floating WDI

200ms reset time delay

◆

The family offers several functional options. Each device generates a

reset signal during power-up, power-down and during brownout

conditions.

◆

In addition, the IMP706P/R/S/T/J feature a 1.6 second watchdog timer.

The watchdog timer output will trigger a reset if connected to MR.

Unlike competitive devices, floating the WDI input pin disables the

watchdog timer.

◆

Three reset signal options

– Active HIGH: IMP706P

– Active LOW: IMP706R/S/T/J

– Active HIGH & LOW outputs: IMP708R/S/T/J

DIP, SO and MicroSO packages

Guaranteed RESET assertion to V_CC= 1.1V

The IMP708R/S/T/J have both active-HIGH and active-LOW reset out-

puts but no watchdog function. The IMP706P has the same pin-out and

functions as the IMP706R but has an active-HIGH reset output.

◆

A versatile power-fail circuit, useful in checking battery levels and

non-5V supplies, has a 1.25V threshold. All devices have a manual

reset input.

Applications

All devices are available in 8-pin DIP, SO and the compact MicroSO

packages. The MicroSO package requires 50% less PC board area than

the conventional SO package.

◆ Computers and controllers

◆ CTI applications

◆ Embedded controllers

◆ Battery operated systems

◆ Intelligent instruments

◆ Wireless communication systems

◆ PDAs and handheld equipment

Block Diagrams

Transition

Detector

Watchdog

Timer

WDI

WDO

RESET

V_CC

20kΩ

V_CC

Timebase

20kΩ

RESET

Generator

RESET

(RESET) IMP706P

RESET

Generator

–

V_CC

–

2.63V (IMP706P/R)

2.93V (IMP706S)

3.08V (IMP706T)

4.00V (IMP706J)

2.63V (IMP708R)

2.93V (IMP708S)

3.08V (IMP708T)

4.00V (IMP708J)

–

PFI

–

PFI

PFO

1.25V

IMP708R/S/T/J

IMP706P/R/S/T/J

706P_02.eps

706P_01.eps

GND

1999 IMP, Inc.

408-432-9100/www.impweb.com

12 3 4 5 6 7...9

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IMP706P	A1PROS	3/3..3/4..0V μP Superrviissorr Ciirrccuiittss	获取价格
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