Datasheet > CAT8836

CAT8836

更新时间： 2024-11-29 01:02:15

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
7页	113K
描述
NanoPower Supervisory Circuit

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CAT8836 数据手册

CAT8836

NanoPower Supervisory

Circuit

Description

The CAT8836 is a voltage supervisory circuit intended to provide

circuit initialization and start−up timing for DSPs and other

processor−based systems.

http://onsemi.com

When system power comes on, CAT8836’s output once the supply

voltage V becomes higher than 1.1 V. Thereafter, the supervisory

circuit monitors V

and keeps the output active as long as V

remains below the threshold voltage of V . After V exceeds the

monitoring threshold an internal timer delays the return of the output

to the inactive state (high) to ensure proper system reset.

TSOT−23

TD SUFFIX

CASE 419AE

The duration of this reset delay is controlled by the CT input. When

CT is connected to GND the reset delay is 10 ms, typical, in duration

PIN CONNECTIONS

and when connected to V , the delay time is typically 200 ms.

Whenever the supply voltage drops below the monitoring threshold

GND

VDD

voltage V , the output becomes active (low) again.

Features

RESET

• Supply Current: 220 nA (typical)

• Precision Supply Voltage Supervision Range: 1.8 V, 2.5 V, 3.0 V, and

3.3 V

(Top View)

• Power−On Reset Generator with Selectable Delay Time: 10 ms or

200 ms

MARKING DIAGRAM

• Push/Pull RESET (active low) Output

• Manual Reset Input

• Pin−for−Pin Replacement for TPS3836

• TSOT23−5 Package

UTYM

• Temperature Range: −40°C to +85°C

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

UT= Device Code

= Production Year (Last Digit)

M = Production Month: 1−9 (Jan − Sep),

= O, N, D (Oct − Dec)

Typical Applications

• Applications Using Low−Power DSPs, Microcontrollers, or

Microprocessors

• Portable− and Battery−Powered Equipment

• Intelligent Instruments

• Wireless Communication Systems

• Automotive Systems

• Notebook Computers

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 7 of this data sheet.

Publication Order Number:

January, 2011 − Rev. 0

CAT8836/D

12 3 4 5 6 7

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