LM5019MR/NOPB by Texas Instruments | | Avnet ASIA
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LM5019MR/NOPB

Texas Instruments

Conv DC-DC Single Step Down 9V to 100V 8-Pin PSOP EP Tube

Manufacturer Part #: LM5019MR/NOPB

Alternate Part #: LM5019MR/NOPB


legend RoHS Compliant

Descriptions

Documents

Subs/Alternatives

Information

The LM5019 is a 100-V, 100-mA synchronous step-down regulator with integrated high-side and low-side MOSFETs. The constant-on-time (COT) control scheme employed in the LM5019 requires no loop compensation, provides excellent transient response, and enables very low step-down ratios. The on-time varies inversely with the input voltage resulting in nearly constant frequency over the input voltage range. A high-voltage startup regulator provides bias power for internal operation of the IC and for integrated gate drivers.

A peak current limit circuit protects against overload conditions. The undervoltage lockout (UVLO) circuit allows the input undervoltage threshold and hysteresis to be independently programmed. Other protection features include thermal shutdown and bias supply undervoltage lockout.

The LM5019 device is available in WSON-8 and SO PowerPAD-8 plastic packages.

Key Features

  • Wide 7.5-V to 100-V Input Range
  • Integrated 100-mA High-Side and Low
    Side Switches
  • No Schottky Required
  • Constant On-Time Control
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Nearly Constant Operating Frequency
  • Intelligent Peak Current Limit
  • Adjustable Output Voltage from 1.225 V
  • Precision 2% Feedback Reference
  • Frequency Adjustable to 1 MHz
  • Adjustable Undervoltage Lockout
  • Remote Shutdown
  • Thermal Shutdown
  • Packages:
    • 8-Pin WSON
    • 8-Pin SO PowerPAD
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Switching Frequency
    1000 kHz
    Operating Temperature
    -40 to 125 °C
    Minimum Input Voltage
    9 V
    Type
    Step Down
    Maximum Output Current
    0.1 A
    Mounting
    Surface Mount
    Switching Regulator
    Yes
    Output Voltage
    1.25 to 90 V
    Output Type
    Adjustable
    Maximum Input Voltage
    100 V
    Number of Outputs
    1

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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    USD    $2.1429

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