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LM2903N - STMicroelectronics

Description: LM2903N STMicroelectronics, Dual Comparator, Open Collector O/P, 1.3μs 3 → 28 V 8-Pin PDIP

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LM2903N - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-PDIP_2020
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LM2903N - STMicroelectronics  - 3D model - Dual-In-Line Packages - 8-PDIP_2020
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LM2903N Details

  • Manufacturer Part Number:

    LM2903N

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT,PLASTIC, DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.4 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    15000 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.817 mm

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    1300 ns

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage Limit-Max:

    36 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM2903N Frequently Asked Questions (FAQs)

  • The LM2903N can handle input voltages up to 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure a stable output voltage, make sure to use a suitable output capacitor (e.g., 10uF) and a minimum load current of 5mA. Also, keep the input voltage at least 2V higher than the output voltage.
  • The LM2903N is rated for operation up to 125°C, but its performance may degrade at high temperatures. Consider using a heat sink or a thermally-enhanced package (e.g., LM2903N-5.0 in a TO-220 package) for high-temperature applications.
  • Use a voltage clamp or a transient voltage suppressor (TVS) diode at the input to protect the LM2903N from voltage surges or spikes. You can also add a series resistor and a capacitor to filter out high-frequency noise.
  • Yes, the LM2903N is suitable for battery-powered devices due to its low quiescent current (IQ) of 5mA. However, consider using a low-dropout regulator (LDO) like the LD3903N for even lower IQ and better efficiency.

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LM2903N Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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Part Image LM2903IN Fairchild Semiconductor Corporation

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Part Image LM2903N NXP Semiconductors

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For a full list of alternate parts for LM2903N, check out Findchips.com