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LM25037-具有交流輸出的雙模 PWM 控制器
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LM25037 - 具有交流輸出的雙模 PWM 控制器

LM25037是TI公司(德州儀器)的一款PWM與諧振控制器產品,LM25037是具有交流輸出的雙模 PWM 控制器,本站介紹了LM25037的產品說明、應用、特性等,并給出了與LM25037相關的TI元器件型號供參考.

LM25037 - LM25037/LM25037Q Dual-Mode PWM Controller With Alternating Outputs - TI德州儀器(Texas Instruments)

產品描述

The LM25037 PWM controller contains all the features necessary to implement balanced double-ended power converter topologies, such as push-pull, half-bridge and full-bridge. These double-ended topologies allow for higher efficiencies and greater power densities compared to common single-ended topologies such as the flyback and forward. The LM25037 can be configured for either voltage mode or current mode control with minimum external components. Two alternating gate drive outputs are provided, each capable of 1.2A peak output current. The LM25037 can be configured to operate directly from the input voltage rail over an ultra-wide range of 5.5V to 75V. Additional features include programmable maximum duty cycle limit, line under-voltage lockout, cycle-by-cycle current limit and a hiccup mode fault protection with adjustable timeout delay, soft-start and a 2 MHz capable oscillator with synchronization capability, precision reference and thermal shutdown.

產品特性

  • LM25037-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40°C to 125°C Operating Junction Temperature)
  • Ultra Wide Input Operating Range from 5.5V to 75V
  • Alternating Outputs for Double-ended Topologies
  • Current-mode or Feed-forward Voltage-mode Control
  • Programmable Maximum Duty Cycle Limit
  • 2.0% Feedback Reference Accuracy
  • High Gain-bandwidth Error Amplifier
  • Programmable Line Under-voltage Lockout (UVLO) with Adjustable Hysteresis
  • Versatile Dual Mode Over-current Protection with Hiccup Delay Timer
  • Programmable Soft-start
  • Precision 5V Reference Output
  • Current Sense Leading Edge Blanking
  • Resistor Programmed 2 MHz Capable Oscillator
  • Oscillator Synchronization Capability with Low Frequency Lockout Protection

Packages

  • 16-Lead TSSOP

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