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NCP81243MNTXG

DC to DC Controller Circuit

Inventory:5,340

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Overview of NCP81243MNTXG

The NCP81243MNTXG stands out as a top-notch choice for engineers seeking a high-performance synchronous buck converter IC for their industrial or automotive applications. With its impressive input voltage range of 4.5V to 55V, this IC offers versatility and flexibility for a wide range of power supply designs. Its built-in gate driver allows for seamless integration and operation, while its ability to deliver up to 3A of continuous output current ensures reliable performance

Key Features

  • Meets Intel's IMVP8 Specification
  • Current Mode Dual Edge Modulation for Fast Initial Response to Transient Loading
  • Dual High Performance Operational Error Amplifier
  • One Digital Soft Start Ramp for Both Rails
  • Dynamic Reference Injection® (Patent #US07057381)
  • Accurate Total Summing Current Amplifier(Patent #US006683441)
  • DAC with Droop Feed-forward Injection(Patent Pending)
  • Dual High Impedance Differential Voltage and Total Current Sense Amplifiers
  • Phase-to-Phase Dynamic Current Balancing
  • “Lossless” DCR Current Sensing for Current Balancing
  • Summed Compensated Inductor Current Sensing for Droop
  • True Differential Current Balancing Sense Amplifiers for Each Phase
  • Adaptive Voltage Positioning (AVP)
  • Switching Frequency Range of 200KHz – 1.5MHz
  • Startup into Pre-Charged Loads while avoiding False OVP
  • Vin Feed Forward Ramp Slope
  • Over Voltage Protection (OVP) & Under Voltage Protection (UVP)
  • Over Current Protection (OCP)
  • Dual Power Good Output with Internal Delays

Application

  • Industrial Servers
  • Embedded Systems Power Management

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Status Active Applications Controller, Intel IMVP8
Voltage - Input 4.5V ~ 20V Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount Package / Case QFN-52
Supplier Device Package 52-QFN (6x6) Base Product Number NCP81243
Manufacturer onsemi Product Category Switching Controllers
RoHS Details Topology Buck
Number of Outputs 2 Output Switching Frequency 300 kHz to 1.4 MHz
Duty Cycle - Max 100 % Input Voltage 4.5 V to 20 V
Output Voltage 3.5 V Output Current 800 uA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 100 C
Mounting Style SMD/SMT Brand onsemi
Fall Time 160 ns Isolation Non-Isolated
Operating Supply Current 50 mA Operating Supply Voltage 4.75 V to 5.25 V
Product Controllers Product Type Switching Controllers
Rise Time 160 ns Shutdown No Shutdown
Factory Pack Quantity 2500 Subcategory PMIC - Power Management ICs

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