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NCP803SN293D3T1G The ON Semiconductor NCP803SN293D3T1G is a microprocessor reset monitor IC. It provides a 2.93V reset threshold with an active-low, open-drain output and a minimum 100ms reset timeout.
Mfr Part #:

NCP803SN293D3T1G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP803SN293D3T1G is a microprocessor reset monitor IC. It provides a 2.93V reset threshold with an active-low, open-drain output and a minimum 100ms reset timeout.
✓ Total Stock: 6,469 pcs
$ Price Range: $0.75

NCP803SN293D3T1G Available from 2 distributors

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✓ Non-Authorised
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Smaxon Electronics ✓
Non-Authorised Inventory information
4,800 pcs
On Request
4800 pcs On Request 1 On Request On Request 1118+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,669 pcs
On Request
1669 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP803SN293D3T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Output
Reset
Reset Timeout
Supplier Device Package
Supplier Package
Type
Voltage
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NCP803SN293D3T1G Description

Short technical summary and product information.

The ON Semiconductor NCP803SN293D3T1G is a cost-effective system supervisor circuit designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary. It features a precision voltage monitor for 2.93V supplies, with an active-low, open-drain reset output. The reset signal is maintained for a factory-trimmed timeout period after VCC rises above the reset threshold, with a minimum of 100ms specified.

 

This device is optimized to reject fast transient glitches on the VCC line and requires no external components. It operates over a wide temperature range of -40°C to 105°C. The NCP803SN293D3T1G is available in a compact SOT-23-3 (TO-236) surface-mount package, making it suitable for battery-powered applications and critical microprocessor power supply monitoring in embedded systems and computers.

 

Key electrical characteristics include a single voltage monitoring channel and an open-drain output. The device exhibits low supply current, making it efficient for power-sensitive designs. It is also noted as Pb-Free and RoHS compliant.

NCP803SN293D3T1G Quick Information

Product Type: Microprocessor Reset Monitor
Series: MAX803/NCP803 Series
Canonical Name: NCP803SN293D3T1G Microprocessor Reset Monitor
Subcategory: Microprocessor Reset Monitor

NCP803SN293D3T1G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP803SN293D3T1G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP803SN293D3T1G Features

  • Monitors single 2.93V power supply.
  • Active-low, open-drain reset output.
  • Minimum 100ms reset timeout period.
  • Optimized for VCC transient immunity.
  • Compact SOT-23-3 surface-mount package.

NCP803SN293D3T1G Applications

  • Critical microprocessor power monitoring.
  • Suitable for battery-powered devices.
  • Used in embedded system designs.
  • Ensures system stability during power fluctuations.

NCP803SN293D3T1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage threshold of the NCP803SN293D3T1G?

The nominal operating voltage threshold is 2.93V.

What is the reset timeout of the NCP803SN293D3T1G?

The minimum reset timeout is 100ms.

What is the operating temperature range of the NCP803SN293D3T1G?

The operating junction temperature range is -40°C to 105°C.

What package is the NCP803SN293D3T1G available in?

The NCP803SN293D3T1G is available in a SOT-23-3 (TO-236) surface mount package.

What type of output does the NCP803SN293D3T1G have?

The output is active low, open drain or open collector.

How many voltages does the NCP803SN293D3T1G monitor?

It monitors a single voltage.

What is the typical supply current of the NCP803SN293D3T1G?

The typical supply current is 0.5µA at VCC = 3.2V.

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