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LM5041ASD
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LM5041ASD

  • Category:Microcontrollers
  • Product Name:PWM controller
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:TSSOP
  • Stock Status:There is stock
  • Stock Quantity:7680
  • Minimum order quantity: 1
  • Details:Click here to find pdf information for the LM5041ASD
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  • Product introduction
peculiarity
  • Internal start-up bias regulator
  • Programmable input undervoltage lockout (UVLO) has adjustable hysteresis
  • Current mode control
  • Reference for internal error amplifiers
  • Cycle-by-cycle overcurrent protection
  • Cutting-edge blanking
  • Programmable push-pull or overlapping dead time
  • Internal 1.5A sliding door drive
  • Programmable soft-start
  • Programmable oscillator synchronization function
  • Precision benchmarks
  • Thermal shutdown

illustrate

The LM5041A PWM controller contains functions to implement either current or voltage feed, push-pull, or bridge power converters. These "cascaded" topologies are ideal for multiple output and higher power applications. The LM5041A's four control outputs include: buck phase control (HD and LD) and push-pull control outputs (PUSH and PULL). The push-pull output drives a duty cycle of 50% nominally at half the step-down switching frequency in one of the stages and can be used for any guaranteed overlap time (current feed application) or guaranteed set-off time (voltage fed application). The push-pull stage MOSFET can drive directly from the internal gate driver, while the buck stage requires an external driver such as the LM5102. The LM5041A includes a high voltage start-up regulator that operates over a wide input range of 15V over a 100V. The PWM controller is designed for high-speed capabilities, including oscillators with a frequency range up to 1 MHz and a total propagation delay of less than 100ns. Other features include input undervoltage lockout (UVLO), soft-start, error amplifier, high-precision voltage reference, and thermal shutdown.

The two differences between the LM5041 and LM5041A are that there is no second level in the "A" version soft-start without current limit (SS) and the "A" version turns off the comparator.


apply

  • Communication power converters
  • Industrial power converters
  • Multi-output power converter
  • +42 V automotive system

andLM5041ASDRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM5041ASD NSC 10+ TSSOP PWM controller
LM5041ASDX NSC 11+ TSSOP PWM controller

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