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LM311NG - onsemi

Description: Obsolete - Linear Voltage Regulator, Positive, Adjustable Output, 1.5 A (60V)

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LM311NG - onsemi - PCB symbol
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PCB Footprints
LM311NG - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - +8−Pin Plastic Dual In−Line Package (PDIP−8) N SUFFIX CASE 626−05 ISSUE N
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3D Models
LM311NG - onsemi - 3D model - Dual-In-Line Packages - +8−Pin Plastic Dual In−Line Package (PDIP−8) N SUFFIX CASE 626−05 ISSUE N
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  • Datasheet Download Datasheet
  • Stock & Prices $ Price & Stock for LM311NG
  • Part Number LM311NG
  • Manufacturer onsemi
  • Pin Count 8
  • Part Category Integrated Circuit
  • Package Category Dual-In-Line Packages
  • Footprint Name Dual-In-Line Packages - +8−Pin Plastic Dual In−Line Package (PDIP−8) N SUFFIX CASE 626−05 ISSUE N
  • Released Date Jan 11, 2017
  • Last Modified Date Sep 19, 2024 2:45 PM UTC
  • Pinout / Pin List Click Here (Member Only)

LM311NG Details

  • Manufacturer Part Number:

    LM311NG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    8 LEAD PDIP

  • Pin Count:

    8

  • Manufacturer Package Code:

    626-05

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    9.78 mm

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    200 ns

  • Seated Height-Max:

    4.45 mm

  • Supply Current-Max:

    7.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM311NG Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply the positive supply voltage (VCC) before the negative supply voltage (VEE). This ensures that the internal circuitry is properly biased and prevents unwanted latch-up.
  • To ensure stability, it's essential to decouple the power supplies with capacitors (e.g., 0.1 μF) and use a bypass capacitor (e.g., 10 nF) between the VCC and VEE pins. Additionally, keep the input and output traces short and away from noise sources.
  • The maximum allowable input voltage differential is ±30 V. Exceeding this limit can cause internal damage or latch-up. Ensure that the input voltage difference is within the recommended range to maintain reliable operation.
  • Yes, the LM311NG can be used as a zero-crossing detector. However, it's essential to add hysteresis to the circuit to prevent oscillations. A simple way to do this is to add a small resistor (e.g., 1 kΩ) between the output and the non-inverting input.
  • The pull-up resistor value depends on the load current and the desired output voltage. A general guideline is to choose a value between 1 kΩ and 10 kΩ. For example, if the load current is 1 mA, a 2.2 kΩ pull-up resistor would be suitable.

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LM311NG Overview

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Part Image LM311JG Texas Instruments

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Part Image LM311N-N Texas Instruments

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Part Image KA311 Samsung Semiconductor

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