L4981B

STMicroelectronics L4981B

Part Number:
L4981B
Manufacturer:
STMicroelectronics
Ventron No:
3262802-L4981B
Description:
IC PFC CTRLR AVERAGE CURR 20DIP
ECAD Model:
Datasheet:
L4981B

Quick Request Quote

Please send RFQ , We will respond immediately.

Part Number
Quantity
Company
E-mail
Phone
Comments
Specifications
STMicroelectronics L4981B technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics L4981B.
  • Mount
    Through Hole
  • Mounting Type
    Through Hole
  • Package / Case
    20-DIP (0.300, 7.62mm)
  • Number of Pins
    20
  • Weight
    2.259996g
  • Operating Temperature
    -40°C~125°C
  • Packaging
    Tube
  • JESD-609 Code
    e3
  • Part Status
    Obsolete
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    20
  • ECCN Code
    EAR99
  • Terminal Finish
    Matte Tin (Sn)
  • Subcategory
    Switching Regulator or Controllers
  • Technology
    BCDMOS
  • Voltage - Supply
    14.5V~19.5V
  • Terminal Position
    DUAL
  • Number of Functions
    1
  • Terminal Pitch
    2.54mm
  • Frequency
    80kHz
  • Base Part Number
    L4981
  • Pin Count
    20
  • Number of Outputs
    1
  • Output Voltage
    7.5V
  • Input Voltage-Nom
    18V
  • Analog IC - Other Type
    POWER FACTOR CONTROLLER
  • Operating Supply Current
    12mA
  • Power Dissipation
    1W
  • Output Current
    1.5A
  • Max Supply Current
    16mA
  • Frequency - Switching
    100kHz
  • Control Technique
    PULSE WIDTH MODULATION
  • Nominal Input Voltage
    19.5V
  • Switcher Configuration
    SINGLE
  • Mode
    Average Current
  • Current - Startup
    100μA
  • Height
    2.68mm
  • Length
    25.4mm
  • Width
    7.1mm
  • Radiation Hardening
    No
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
L4981B Overview
The package or case of the device is a 20-DIP (0.300, 7.62mm), which indicates that it has 20 terminations. The technology used in this device is BCDMOS, which ensures high performance and efficiency. The output voltage of this device is 7.5V, providing a stable and reliable power supply. With a power dissipation of 1W, this device can handle a significant amount of power without overheating. The output current is 1.5A, making it suitable for a wide range of applications. The maximum supply current is 16mA, ensuring that the device operates within its specified limits. During startup, the current required is 100μA. The device has a compact design with a height of 2.68mm and a width of 7.1mm, making it suitable for space-constrained applications.

L4981B Features

L4981B Applications
There are a lot of STMicroelectronics L4981B PFC PMICs applications.

Set top boxes
μC power
4WD transfercase
Low Noise Instrumentation
PLL (Phase-Locked Loop)
Disk drivers
Embedded systems
Alternators
Electronic notebook
Bypass circuit
L4981B More Descriptions
Power Factor Controller, Current-mode, 2A, 115kHz Switching Freq-Max, BCDMOS, PDIP20
POWER FACTOR CORRECTOR, 4981, DIP20; UVLO:-; Supply Voltage Min:12V; Max:19.5V; Startup Current:300µA; Operating Current:12mA;
POWER FACTOR CORRECTOR, 4981, DIP20; UVLO: -; Supply Voltage Min: 12V; Supply Voltage Max: 19.5V; Startup Current: 300µA; Operating Supply Current: 12mA; Controller IC Case Style: DIP; No. of Pins: 20Pins; Duty Cycle (%): -; Frequency: 80kHz; Operating Temperature Min: -40°C; Operating Temperature Max: 125°C; Product Range: -; RoHS Phthalates Compliant: To Be Advised; MSL: -; SVHC: No SVHC (17-Dec-2015); Base Number: 4981; IC Generic Number: 4981; Input Voltage Max: 5.3V; Logic Function Number: 4981; No. of Outputs: 1Outputs; Operating Temperature Range: -40°C to 125°C; Output Voltage: 7.5V; Output Voltage Max: 8.5V; Supply Voltage Range: 12V to 19.5V; Termination Type: Through Hole
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

Latest News

  • cost

    Help you to save your cost and time.

  • package

    Reliable package for your goods.

  • fast

    Fast Reliable Delivery to save time.

  • service

    Quality premium after-sale service.