NCP302LSN27T1G
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onsemi NCP302LSN27T1G

Manufacturer No:
NCP302LSN27T1G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC SUPERVISOR 1 CHANNEL 5TSOP
Delivery:
Payment:
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iso45001
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Product Introduction

Overview

The NCP302LSN27T1G is a second-generation ultra-low current voltage detector from onsemi, designed for use as a reset controller in portable microprocessor-based systems where extended battery life is crucial. This device features a highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator, preventing erratic system reset operations.

Key Specifications

Characteristic Unit Min Max
Input Power Supply Voltage (Pin 2) V 0.70 - 10
Detector Threshold (Pin 2, Vin Decreasing) V 2.646 2.7 2.754
Detector Threshold Hysteresis (Pin 2, Vin Increasing) V 0.081 0.135 0.189
Quiescent Current (Pin 2) μA 0.25 0.50 0.9
Reset Output Current (Pin 1, Active Low ‘L’ Suffix Devices) mA 0.01 1.0 3.5
Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices) mA 6.3 - 11
Delay Capacitor Pin Threshold Voltage (Pin 5) V 1.49 2.01 2.53
Operating Ambient Temperature Range °C -40 - 125
Storage Temperature Range °C -55 - 150

Key Features

  • Ultra-low quiescent current of 0.5 μA typical, ensuring extended battery life in portable systems.
  • High accuracy undervoltage threshold with 2.0% tolerance.
  • Externally programmable time delay generator to customize reset timing.
  • Wide operating voltage range from 0.8 V to 10 V.
  • Complementary output configuration (active high or active low) and open drain N-Channel output options.
  • Specified over a broad temperature range of -40°C to +125°C.
  • NCV prefix available for automotive and other applications requiring unique site and control change requirements.

Applications

  • Portable microprocessor-based systems where low power consumption is critical.
  • Battery-powered devices requiring reliable reset functionality.
  • Automotive systems needing robust voltage monitoring and reset control.
  • Industrial and consumer electronics requiring accurate voltage detection and programmable delay.

Q & A

  1. What is the primary function of the NCP302LSN27T1G?

    The primary function of the NCP302LSN27T1G is to act as a reset controller in microprocessor-based systems, ensuring reliable operation by monitoring the voltage and providing a programmable time delay for reset signals.

  2. What is the typical quiescent current of the NCP302LSN27T1G?

    The typical quiescent current of the NCP302LSN27T1G is 0.5 μA.

  3. What is the operating voltage range of the NCP302LSN27T1G?

    The operating voltage range of the NCP302LSN27T1G is from 0.8 V to 10 V.

  4. How is the time delay for the reset signal programmed in the NCP302LSN27T1G?

    The time delay for the reset signal is programmed using an external capacitor connected to the delay capacitor pin (Pin 5).

  5. What types of output configurations are available for the NCP302LSN27T1G?

    The NCP302LSN27T1G is available with complementary output configurations (active high or active low) and an open drain N-Channel output.

  6. What is the temperature range over which the NCP302LSN27T1G is specified?

    The NCP302LSN27T1G is specified over a temperature range of -40°C to +125°C.

  7. What is the detector threshold hysteresis for the NCP302LSN27T1G?

    The detector threshold hysteresis for the NCP302LSN27T1G is between 0.081 V and 0.189 V.

  8. Can the NCP302LSN27T1G be used in automotive applications?
  9. What is the maximum output current for the active low reset output of the NCP302LSN27T1G?

    The maximum output current for the active low reset output of the NCP302LSN27T1G is up to 3.5 mA.

  10. How does the NCP302LSN27T1G prevent erratic system reset operations?

    The NCP302LSN27T1G prevents erratic system reset operations through its highly accurate undervoltage detector with hysteresis and an externally programmable time delay generator.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:2.7V
Output:Push-Pull, Totem Pole
Reset:Active Low
Reset Timeout:Adjustable/Selectable
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:5-TSOP
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Similar Products

Part Number NCP302LSN27T1G NCP302LSN47T1G NCP302LSN28T1G NCP303LSN27T1G NCP301LSN27T1G NCP302HSN27T1G NCP302LSN20T1G NCP302LSN27T1
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1 1 1 1 1 1 1
Voltage - Threshold 2.7V 4.7V 2.8V 2.7V 2.7V 2.7V 2V 2.7V
Output Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Open Drain or Open Collector Open Drain or Open Collector Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole
Reset Active Low Active Low Active Low Active Low Active Low Active High Active Low Active Low
Reset Timeout Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable - Adjustable/Selectable Adjustable/Selectable Adjustable/Selectable
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5
Supplier Device Package 5-TSOP 5-TSOP 5-TSOP 5-TSOP 5-TSOP 5-TSOP 5-TSOP 5-TSOP

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