CAT812L

更新时间： 2024-11-08 22:50:27

品牌	Logo	应用领域
CATALYST		微处理器监控
页数	文件大小	规格书
11页	61K
描述
4-Pin Microprocessor Power Supply Supervisors

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中文翻译

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数据手册

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CAT812L 数据手册

CAT811, CAT812

4-Pin Microprocessor Power Supply Supervisors

FEATURES

ꢀ Precision monitoring of

+5.0 V (+/- 5%, +/- 10%, +/- 20%),

+3.3 V (+/- 5%, +/ 10%),

ꢀ Direct replacements for the MAX811 and

MAX812 in applications operating over the

industrial temperature range

+3.0 V (+/- 10%) and

+2.5 V (+/- 5%) power supplies

ꢀ Reset valid down to V_CC= 1.0 V

ꢀ 6 µA power supply current

ꢀ Offered in two output configurations:

- CAT811: Active LOW reset

ꢀ Power supply transient immunity

ꢀ Compact 4-pin SOT143 package

ꢀ Industrial temperature range: -40˚C to +85˚C

- CAT812: Active HIGH reset

ꢀ Manual reset input

APPLICATIONS

ꢀ Computers

ꢀ Embedded control systems

ꢀ White goods

ꢀ Servers

ꢀ Laptops

ꢀ Power meters

ꢀ Cable modems

ꢀꢀ Wireless communications

ꢀ Intelligent instruments

ꢀ PDAs and handheld equipment

DESCRIPTION

The CAT811 and CAT812 are µP supervisory circuits

that monitor power supplies in digital systems. The

CAT811 and CAT812 are direct replacements for the

MAX811andMAX812inapplicationsoperatingoverthe

industrial temperature range; both have a manual reset

input.

offered to support +5.0 V, +3.3 V, +3.0 V and +2.5 V

systems.

The CAT811 features a RESET push-pull output (active

LOW) and the CAT812 features a RESET push-pull

output (active HIGH).

Fast transients on the power supply are ignored and the

output is guaranteed to be in the correct state at V_cc

levels as low as 1.0 V.

Thesedevicesgeneratearesetsignal,whichisasserted

whilethepowersupplyvoltageisbelowapresetthreshold

level and for at least 140 ms after the power supply level

has risen above that level. The underlying floating gate

technology, AE^2(TM)used by Catalyst Semiconductor,

makes it possible to offer any custom reset threshold

value. Seven industry standard threshold levels are

The CAT811/812 are fully specified over the industrial

temperature range (-40˚C to 85˚C) and are available in

a compact 4-pin SOT143 package.

PIN CONFIGURATION

THRESHOLD SUFFIX SELECTOR

Nominal Threshold Threshold Suffix

Voltage

4.63V

4.38V

4.00V

3.08V

2.93V

2.63V

2.32V

Designation

GND

CAT811

(CAT812)

RESET

(RESET)

Characteristics subject to change without notice

Doc. No. 3005, Rev. P

12 3 4 5 6 7...11

中文翻译

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与CAT812L相关器件

型号	品牌	获取价格	描述	数据表
CAT812LEUSGT10	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LEUSGT3	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LEUS-T	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors
CAT812LEUST10	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LEUS-T10	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors
CAT812LEUS-T10	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, PLASTIC, SOT-143, 4 PIN
CAT812LEUST3	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LEUS-T3	CATALYST	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +4.63VV, PDSO4, PLASTIC, SOT-143, 4 PIN
CAT812LTBI	CATALYST	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO4, GREEN, TO-253, SOT-143, 4 PIN
CAT812LTBI	ONSEMI	获取价格	暂无描述

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