LM25019MRX/NOPB by Texas Instruments | APACDC to DC Converter | Avnet ASIA
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信息

LM25019MRX/NOPB

Texas Instruments

Conv DC-DC Single Step Down 9V to 48V 8-Pin PSOP T/R

制造商料号#: LM25019MRX/NOPB

替代型号#: LM25019MRX/NOPB


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描述

文档

替代/替换

信息

The LM25019 is a 48-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 LM25019 requires no loop compensation, provides excellent transient response, and enables very high 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 start-up 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 LM25019 is available in 8-pin WSON and 8-pin SO PowerPAD plastic packages.

技术参数

  • Wide 7.5-V to 48-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™
  • 技术特性

    描述
    寻找类似物料
    Number of Outputs
    1
    Maximum Input Voltage
    48 V
    Output Voltage
    1.25 to 40 V
    Maximum Output Current
    0.1 A
    Supplier Package
    PSOP
    MSL Level
    3
    Product Dimensions
    5(Max) x 4(Max) x 1.55(Max)
    Pin Count
    8
    Screening Level
    Extended Industrial
    Max Processing Temp
    260
    Output Type
    Adjustable
    Minimum Input Voltage
    9 V
    Lead Finish
    Tin
    Operating Supply Voltage
    6.25 to 8.55 V
    Mounting
    Surface Mount
    Switching Regulator
    Yes
    Type
    Step Down
    Switching Frequency
    1000 kHz

    ECCN / UNSPSC

    描述
    ECCN:
    EAR99
    计划交货期 B:
    8542390000"
    HTSN:
    8542390001"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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