CAT812LTBI

更新时间： 2024-11-09 13:00:23

品牌	Logo	应用领域
安森美 - ONSEMI		微处理器监控
页数	文件大小	规格书
11页	222K
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中文翻译

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数据手册

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CAT812LTBI 数据手册

CAT811, CAT812

4-Pin Microprocessor Power Supply Supervisors

with Manual Reset

DESCRIPTION

FEATURES

Precision monitoring of

+5.0 V (± 5%, ± 10%, ± 20%),

+3.3 V (± 5%, ± 10%),

The CAT811 and CAT812 are microprocessor supervi-

sory circuits that monitor power supplies. The CAT811

and CAT812 are direct replacements for the MAX811

and MAX812 in applications operating over the industrial

temperature range; both have a manual reset input.

+3.0 V (± 10%) and

+2.5 V (± 5%) power supplies

Manual reset input

These devices generate a reset signal, which is

asserted while the power supply voltage is below a

preset threshold level and for at least 140ms 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 offered to support

+5.0V, +3.3V, +3.0V and +2.5V systems.

Offered in two output configurations:

CAT811: Active LOW reset

CAT812: Active HIGH reset

Direct replacements for the MAX811 and

MAX812 in applications operating over the

industrial temperature range

Reset valid down to V_CC= 1.0V

6µA power supply current

Power supply transient immunity

The CAT811 features a RESET push-pull output

(active LOW) and the CAT812 features a RESET

push-pull output (active HIGH).

Available in SOT-143 packages with Sn or

NiPdAu Green Lead finishes.

Industrial temperature range: -40ºC to +85ºC

Fast transients on the power supply are ignored and

the output is guaranteed to be in the correct state at

Vcc levels as low as 1.0 V.

APPLICATION

Computers, Servers, Laptops

Cable modems

The CAT811/812 are fully specified over the industrial

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

in a compact 4-pin SOT-143 package.

Wireless communications

Embedded control systems

White goods

For Ordering Information details, see page 10.

Power meters

Intelligent instruments

PDAs and handheld equipment

PIN CONFIGURATION

THRESHOLD SUFFIX SELECTOR

DESCRIPTION

V_CC

GND

Nominal Threshold

Voltage

Threshold Suffix

Designation

CAT811

CAT812

4.63V

4.38V

4.00V

¯¯¯¯¯¯

RESET

¯¯¯

3.08V

2.93V

2.63V

2.32V

Characteristics subject to change without notice

Doc. No. MD-3005 Rev. U

12 3 4 5 6 7...11

中文翻译

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与CAT812LTBI相关器件

型号	品牌	获取价格	描述	数据表
CAT812LTBI-G	ONSEMI	获取价格	暂无描述
CAT812LTBI-GT	CATALYST	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, PDSO4, GREEN, TO-253, SOT-143, 4 PIN
CAT812LTBIGT10	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBI-GT10	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBI-GT10	ONSEMI	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBIGT3	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBI-GT3	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, GREEN, TO-253, SOT-143, 4 PIN
CAT812LTBI-GT3	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBI-GT3	ONSEMI	获取价格	4-Pin Microprocessor Power Supply Supervisors with Manual Reset
CAT812LTBI-T	CATALYST	获取价格	4-Pin Microprocessor Power Supply Supervisors

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