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Manufacturer Part #

AS1903C26Z

AS1903 Series 2.63 V 100 ms Ultra Low-Power μP Supervisory Circuit-SOT-23-3

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Mfr. Name: ams
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Product Specification Section
Technical Attributes
Attributes Table
No of Outputs: Single
Threshold Voltage: 2.63|V
Supply Voltage-Max: 3.6V
Reset Timeout: 100ms
Package Style:  SOT-23 (SC-59,TO-236)
Mounting Method: Surface Mount
Features & Applications

Austriamicrosystems designs, manufactures and markets high performance analog integrated circuits for communications, industrial, medical and automotive markets building on more than 25 years of analog design capabilities, system know-how, and own state-of-the-art manufacturing and test facilities.

Austriamicrosystems’ focuses on power management, sensors & sensor interfaces, portable audio and car access applications, and offers the industry's broadest range of high performance absolute and incremental rotary and linear magnetic encoder devices that are complete SoC solutions integrating Hall element, analog front end and digital signal processing.

The AS1901/2/3 family is an ultra low-power supervisory circuit device.

The device can be used to monitor the supply voltage of digital systems and microprocessors and initiate a reset when the voltage goes below a predefined threshold. The duration of the reset is 5/20/100/500ms (typ.) after the supply voltage has risen above the threshold.

The AS1901/2/3 exhibit excellent reliability and can reduce application costs by eliminating all external components. The device is available with different output drivers:

All devices operate down to a voltage of 1V.

The reset thresholds are factory-trimmable between 2.2V and 3.08V in steps of approximately 100mV. Each device of the AS1901/2/3 family is offered with four time-out periods of 5/20/100/500ms. The extremely low current consumption of only 230nA (typ) at 3.3V makes the device ideal for use in portable applications.

The devices are ideal for computers, intelligent instruments, controllers, critical microprocessor and microcontroller, power monitoring and portable/batterypowered equipment.

The AS1903C26Z has an open drain output with active low reset, a reset threshold of 2.63V and is offered in a 3-pin SOT23 package.

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$0.40
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$0.40
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