CAT809 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

CAT809
Manufacturer

ON Semiconductor
ChipWorker Part#

CW345758139
RoHS

Lead free / RoHS Compliant
Description

3Pin Microprocessor Power Supply Supervisors
Documentation

Datasheet

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CAT809 Specifications

Attribute	Attribute Value

Part Number	CAT809
Manufacturer	ON Semiconductor
ChipWorker Part#	CW345758139
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	3 Pin
Case/Package	SOT-26
Output Current	20 mA
Input Current	20 mA
Supply Voltage	1.2V ~ 5.5V
	expand all
Operating Temperature	-40℃ ~ 85℃
RoHS	RoHS Compliant

Product Description

The CAT809 is a µP supervisory circuits that monitor power supplies in digital systems. The CAT809 is a direct replacements for the MAX809 in applications operating over the industrial temperature range. This device generates 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. The underlying floating gate technology, AE²™ used by ON Semiconductor, makes it possible to offer any custom reset threshold value. Seven industry standard threshold levels are offered to support +5.0 V, +3.3 V, +3.0 V and +2.5 V systems.The CAT809 features a push-pull output (active LOW) and the CAT810 features a push-pull RESET output (active HIGH). 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. The CAT809 is available in both the compact 3-pin SOT-23 and SC70 packages.
Features
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Precision monitoring of
+5.0V (-5%, -10%, -20%),
+3.3V (-5%, -10%),
+3.0V (-10%) and
+2.5V (-5%) power supplies
Offered in three output configurations:
\- CAT809: Push-Pull Active LOW reset
Direct replacements for the MAX809 in applications operating over the industrial temperature range
Reset valid down to VCC = 1.0 V
6 μA power supply current
Power supply transient immunity
Industrial temperature range: -40˚C to +85˚C
Available in RoHS-compliant SOT-23 and SC70 packages

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