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LM3754SQ
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LM3754SQ

  • Category:Controller controller
  • Product Name:Scalable 2-phase synchronous buck controller with PowerWise ® family with integrated FET driver and linear regulator controller
  • Manufacturers:NSC
  • Production Batch Number:10+11+
  • Encapsulation:32-LLP
  • Stock Status:There is stock
  • Stock Quantity:88500
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM3754SQ
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  • Product introduction

peculiarity

Wide input voltage range of 4.5V to 18V
12 channels with 300A load
System accuracy better than 1%
Output voltage range from 0.6V to 3.6V
Switching frequency from 200 kHz to 1 MHz
Phase current sharing ± temperature exceeds 12% maximum
Combined 4.35V ± 2.3% LDO
Inductor DCR or inductive resistor current sensing
Interleaved switching of ripple currents with low I/O
Integrated synchronous NFET driver
Programmable Soft-Start (LM3754) or Tracking (LM3753)
Prebias Start-Up (LM3754)
Remote sensing of output voltage difference
The minimum controllable time is only 50 nanoseconds
Programmable enable and input UVLO
Power good flag
OVP, UVP and Hiccup overcurrent protection

illustrate

The LM3753 and LM3754 are full-featured dual-phase single-output voltage mode synchronous PWM buck controllers. They can be configured to establish a single high power output control from 2 to 12 interleaved power stages. Both controllers use feed-forward mode control with high noise immunity with input voltage. Internal current loop averages real-time current sharing between phases in load transients.

The LM3753 supports the tracking function, while the LM3754 supports adjustable soft-start. LM3753 tracing is always enabled, allowing control of the output up and down. The LM3754 with soft-start function can only go up to the output of the driver - it does not pull down, therefore, the prebiased load cannot be discharged in time. Thermally resistant in a 5mm x 5mm thermal pad with enhanced 32-pin LLP package.


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CPUs, GPUs (graphics cards), structured ASICs, FPGAs, mass memory arrays, disarmament, demobilization and reintegration
High current POL converter
Network systems
Power distribution system
Telecom/Datacom DC/DC converters
Desktops, servers and workstations

andLM3754SQRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM3754SQX NSC 10+ LLP Features an integrated FET driver and linear regulator controller
LM3754SQ NSC 10+11+ 32-LLP Scalable 2-phase synchronous buck controller with PowerWise ® family with integrated FET driver and linear regulator controller

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