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Home » NEWEST Products » New by Manufacturer » ON Semiconductor » ON Semiconductor NCP3170 Synchronous PWM Switching Converter
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ON Semiconductor NCP3170 Synchronous PWM Switching Converter

ON Semiconductor NCP3170
Synchronous PWM Switching Converter

ON Semiconductor's NCP3170 Synchronous PWM Switching Converter is a flexible synchronous PWM Switching Buck Regulator. The NCP3170 Synchronous PWM Switching Converter operates from 4.5 V to 18 V, sourcing up to 3 A and is capable of producing output voltages as low as 0.8 V. ON Semiconductor's NCP3170 Synchronous PWM Switching Converter also incorporates current mode control. To reduce the number of external components, a number of features of the NCP3170 Synchronous PWM Switching Converter are internally set including soft start, power good detection, and switching frequency.

Features
  • 4.5 V to 18 V Operating Input Voltage Range
  • 90 mΩ High−Side, 25 mΩ Low−Side Switch
  • FMEA Fault Tolerant During Pin Short Test
  • 3 A Continuous Output Current
  • Fixed 500 kHz and 1 MHz PWM Operation
  • Cycle−by−Cycle Current Monitoring
  • 1.5% Initial Output Accuracy
  • Internal 4.6 ms Soft−Start
  • Short−Circuit Protection
  • Turn on Into Pre−bias
  • Power Good Indication
  • Light Load Efficiency
  • Thermal Shutdown
  • These are Pb−Free Devices
Applications
  • Set Top Boxes
  • DVD/ Blu−ray™ Drives and HDD
  • LCD Monitors and TVs
  • Cable Modems
  • PCIe Graphics Cards
  • Telecom/Networking/Datacom Equipment
  • Point of Load DC/DC Converters
Part NumberPackageTopologyControl
Mode
Input
Voltage
Range
I/O
(Typ)
Efficiency
NCP3170ADR2G SOIC-8 Step-Down Current 4.5-18V 3.0A 0.92

Description
NCP3170AGEVB NCP3170ADR2G Evaluation Board
Typical Application Circuit
Typical Application Circuit
Block Diagram
Block Diagram
  • ON Semiconductor
  • Power Management
  • Semiconductors|Integrated Circuits|IC-Power Management