Name: Voltage Supervisor, Open Drain, Active Low
Brand: Voltage Supervisor, Open Drain, Active Low
SKU: CAT853

Voltage Supervisor, Open Drain, Active Low

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Overview

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.

Applications

Computers
Servers
Laptops
Cable modems
Wireless communications
Embedded control systems
White goods
Power meters
Intelligent instruments
PDAs and handheld equipment

Features

Precision monitoring of +3.3V (-5%, -10%), 5V (-10% Power Supplies)
Active Low Reset Output
Reset valid down to V_CC = 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

Material Composition

Product Change Notification

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

Voltages Monitored

V_CC Max (V)

V_(TO) Typ (V)

I_Q Typ (µA)

Reset Active State

Reset Timer

Manual Reset

Watchdog Timer

Reference Price

CAT853STBI-T3

Last Shipments

SOT-23-3

527AG

260

REEL

3000

5.5

2.93

Low

Yes

Price N/A

CAT853TTBI-GT3

Last Shipments

SOT-23-3

527AG

260

REEL

3000

5.5

3.08

Low

Yes

Price N/A

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Voltage Supervisors | CAT853

Voltage Supervisor, Open Drain, Active Low

Overview

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