LM25037 - 具有交流输出的双模 PWM 控制器

LM25037是TI德州仪器公司的一款PWM与谐振控制器产品，LM25037是具有交流输出的双模 PWM 控制器，本站介绍了LM25037的封装应用图解、特点和优点、功能等，并给出了与LM25037相关的TI元器件型号供参考。

LM25037 - 具有交流输出的双模 PWM 控制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

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.

产品特性

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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