MAX825

更新时间： 2024-11-10 22:55:11

品牌	Logo	应用领域
美信 - MAXIM		微处理器监控
页数	文件大小	规格书
8页	80K
描述
5-Pin Microprocessor Supervisory Circuits

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数据手册

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MAX825 数据手册

19-0487; Rev 1; 6/97

5 -P in Mic ro p ro c e s s o r S u p e rvis o ry Circ u it s

34/MAX825

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX823/MAX824/MAX825* microprocessor (µP)

supervisory circuits combine reset output, watchdog,

and manual-reset input functions in a 5-pin SOT23-5

package. They significantly improve system reliability

and accuracy compared to separate ICs or discrete

c omp one nts . The MAX823/MAX824/MAX825 a re

♦ Precision Monitoring of +3V, +3.3V, and +5V

Power Supplies

♦ Operating Current: 10µA (MAX823L/M)

3µA (MAX825T/S/R)

♦ Fully Specified Over Temperature

♦ 140ms Min Power-On Reset

specifically designed to ignore fast transients on V

Five p re p rog ra mme d re s e t thre s hold volta g e s a re

a va ila b le , d e s ig na te d b y the following p a c ka g e

suffixes: L = 4.63V, M = 4.38V, T = 3.08V, S = 2.93V,

and R = 2.63V. All three devices have an active-low

reset output, which is guaranteed to be in the correct

♦ Guaranteed RESET Valid to V

= 1V

♦ Power-Supply Transient Immunity

♦ Watchdog Timer with 1.6sec Timeout

(MAX823/MAX824)

state for V

down to 1V. The MAX824/MAX825 also

♦ Manual-Reset Input (MAX823/MAX825)

♦ No External Components

have an active-high reset output. The following Selector

Guide explains the functions offered in this series of

parts.

______________Ord e rin g In fo rm a t io n

________________________Ap p lic a t io n s

†

PART

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

5 SOT23-5

Battery-Powered Computers and Controllers

Embedded Controllers

Intelligent Instruments

MAX823_EUK

MAX824_EUK

MAX825_EUK

5 SOT23-5

Automotive Systems

5 SOT23-5

Critical µP Monitoring

Portable/Battery-Powered Equipment

†Insert the desired suffix letter (from the table below) into the

blank to complete the part number.

_____________________S e le c t o r Gu id e

RESET

SUFFIX

THRESHOLD (V)

FUNCTION

MAX823

MAX824

MAX825

4.63

4.38

3.08

2.93

2.63

✔

—

✔

Active-Low Reset

Active-High Reset

Watchdog Input

—

✔

—

✔

Manual-Reset Input

Typical Operating Circuit appears at end of data sheet.

Marking Information appears at end of data sheet.

__________________________________________________________P in Co n fig u ra t io n s

TOP VIEW

RESET

GND

RESET

GND

RESET

GND

MAX823

MAX824

MAX825

WDI

RESET

WDI

RESET

SOT23-5

*Patents Pending

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 408-737-7600 ext. 3468.

12 3 4 5 6 7 8

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与MAX825相关器件

型号	品牌	获取价格	描述	数据表
MAX825_EUK	MAXIM	获取价格	5-Pin Microprocessor Supervisory Circuits
MAX825L	MAXIM	获取价格	5-Pin Microprocessor Supervisory Circuits With Watchdog Timer and Manual Reset
MAX825LEUK	MAXIM	获取价格	Voltage Detector
MAX825LEUK	MICREL	获取价格	Voltage Supervisor with Watchdog Timer and Manual Reset
MAX825LEUK+	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, BICMOS, PDSO5, SOT-23, 5 PIN
MAX825LEUK+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, BICMOS, PDSO5, ROHS COMPLIANT, MO
MAX825LEUK-T	MAXIM	获取价格	Analog IC
MAX825LEUK-T5	MICROCHIP	获取价格	POWER SUPPLY SUPPORT CKT
MAX825LEUKTR	MICROCHIP	获取价格	POWER SUPPLY SUPPORT CKT
MAX825LEUK-TR	MICROCHIP	获取价格	POWER SUPPLY SUPPORT CKT

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