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NCP302LSN40T1G The On Semiconductor NCP302LSN40T1G is a supervisor IC designed for microprocessor reset control. It features a 4V undervoltage threshold and an adjustable reset timeout.
Mfr Part #:

NCP302LSN40T1G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor NCP302LSN40T1G is a supervisor IC designed for microprocessor reset control. It features a 4V undervoltage threshold and an adjustable reset timeout.
✓ Total Stock: 7,574 pcs
$ Price Range: $0.75

NCP302LSN40T1G Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request 18+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,077 pcs
On Request
1077 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
497 pcs
On Request
497 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP302LSN40T1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Number of Voltages Monitored
Operating Temperature
Operating Voltage
Output
Quiescent Current
Reset
Reset Timeout
SVHC Present
Supplier Device Package
Type
Voltage
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NCP302LSN40T1G Description

Short technical summary and product information.

The NCP302LSN40T1G from On Semiconductor is a second-generation ultra-low current voltage detector with a programmable time delay generator. It is designed for use as reset controllers in portable microprocessor-based systems where extended battery life is critical.

 

This device features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations. The NCP302 series offers complementary output devices, and this specific model, NCP302LSN40T1G, has an active low reset output. It operates over a wide voltage range of 0.8 V to 10 V with a typical quiescent current of 0.5 µA and a high accuracy undervoltage threshold of 2.0%.

 

The NCP302LSN40T1G is specified over the -40°C to +125°C temperature range. It is available in a 5-TSOP package, specifically SOT-23-5 Thin, suitable for surface mounting. Typical applications include microprocessor reset controllers, low battery detection, power fail indicators, and battery backup detection.

NCP302LSN40T1G Quick Information

Product Type: Voltage Detector
Series: NCP302
Canonical Name: NCP302LSN40T1G Voltage Detector with Programmable Delay
Subcategory: Voltage Detector

NCP302LSN40T1G Compliance

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

NCP302LSN40T1G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP302LSN40T1G Features

  • Ultra-low current voltage detector with programmable delay.
  • High accuracy undervoltage threshold of 2.0%.
  • Externally programmable time delay generator.
  • Active low reset output.
  • SOT-23-5 Thin package for surface mounting.

NCP302LSN40T1G Applications

  • Microprocessor reset controller.
  • Low battery detection.
  • Power fail indicator.
  • Battery backup detection.

NCP302LSN40T1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the NCP302LSN40T1G?

The operating voltage range is 0.8V to 10V.

What package is the NCP302LSN40T1G available in?

The device is available in a SOT-23-5 Thin / TSOT-23-5 package, with a supplier device package of 5-TSOP, for surface mounting.

What is the operating temperature range?

The operating temperature range is -40°C to +125°C.

What is the undervoltage threshold of the NCP302LSN40T1G?

The undervoltage threshold is 4V typical, with an accuracy of 2.0%.

What is the quiescent current consumption?

The typical quiescent current is 0.5µA.

What type of reset output does the NCP302LSN40T1G provide?

It provides an active-low, push-pull (totem-pole) reset output.

Is the reset timeout adjustable?

Yes, the reset timeout is adjustable/selectable.

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