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CAT853: Voltage Supervisor, Open Drain, Active Low

Datasheet: 3-Pin Microprocessor Power Supply Supervisor
Rev. 10 (111.0kB)
Product Overview
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» Product Change Notification
The CAT853, CAT863, CAT859, and CAT869 are supervisory circuits that monitor power supplies in digital systems.

These devices generate a reset signal, which is asserted while the power supply voltage is below a preset threshold level and for at least 140 ms after the power supply level has risen above that level. Industry standard threshold levels are offered to support +3.3 V or 5.0 V systems.

The CAT859 and CAT869 feature a RESET push-pull output (active low) for the two pinout options.

The CAT853 and CAT863 feature an open drain RESET output (active low). Both require a pull-up resistor on the RESET output.

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.
Features
 
  • Precision monitoring of +3.3V (-5%, -10%), 5V (-10% Power Supplies)
  • Active Low Reset Output
  • Reset valid down to VCC = 1.0V
  • 6μA power supply current
  • Power supply transient immunity
  • Industrial temperature range: -40°C to +85°C
  • These Devices are PbFree and are RoHS Compliant
  • SOT-23 Package
Applications
  • Computers
  • Servers
  • Laptops
  • Cable modems
  • Wireless communications
  • Embedded control systems
  • White goods
  • Power meters
  • Intelligent instruments
  • PDAs and handheld equipment
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (1)
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
CAT853STBI-T3 Active
Pb-free
Halide free
CAT853 SOT-23-3 527AG 1 260 Tape and Reel 3000 $0.324
CAT853TTBI-GT3 Active
Pb-free
Halide free
CAT853 SOT-23-3 527AG 1 260 Tape and Reel 3000 $0.36
Market Leadtime (weeks) : 2 to 4
ON Semiconductor   (2020-09-02 00:00) : 345,000
Market Leadtime (weeks) : 4 to 8

Product
Description
Pricing ($/Unit)
Compliance
Status
Voltages Monitored
VCC Max (V)
V(TO) Typ (V)
IQ Typ (µA)
Reset Active State
Reset Timer
Manual Reset
Watchdog Timer
Package Type
CAT853STBI-T3  
 $0.324 
Pb
H
 Active   
1
5.5
2.93
6
Low
Yes
No
No
SOT-23-3
CAT853TTBI-GT3  
 $0.36 
Pb
H
 Active   
1
5.5
3.08
6
Low
Yes
No
No
SOT-23-3
Case Outlines
527AG   
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