Onsemi NCP3170B

Description

The NCP3170 is a flexible synchronous PWM Switching Buck Regulator. The NCP3170 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. The NCP3170 also incorporates current mode control. To reduce the number of external components, a number of features are internally set including soft start, power good detection, and switching frequency.The NCP3170 is currently available in an SOIC−8 package.

Features

• 4.5 V to 18 V Operating Input Voltage Range
• 90 m High-Side, 25 m 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

Typical applications

• Cable Modems
• Point of Load DC/DC Converters
• PCIe Graphics Cards
• LCD Monitors and TVs
• DVD/Blu−ray Drives and HDD
• Telecom/Networking/Datacom Equipment
• Set Top Boxes

More information

• Datasheet
• IC product information