NCP1207APG

Duty Cycle:	--
Base Part Number:	NCP1207
Mounting Type:	Through Hole
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	--
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Frequency - Switching:	Up to 200kHz
Series:	--
Voltage - Supply (Vcc/Vdd):	10.6 V ~ 20 V
Topology:	Flyback
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Not For New Designs
Packaging:	Tube

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NCP1207APG Application Field and Working Principle

The NCP1207APG is a high-performance, programmable non-isolated AC-DC and DC/DC converter that has been designed for applications in telecommunications and networking, with a particular focus on telecom base stations (including Power-over-Ethernet). This device is an advanced monolithic integrated circuit that can be used to convert an AC or DC input voltage to an adjustable output voltage utilizing a high-frequency single-ended primary inductor (SEPIC) topology.The device can provide very low ripple, low output voltage noise and low input/output differential voltage for more stable regulation and controllable outputs. Its extensibility, flexibility and reliability can ensure the device to be used in a variety of power supplies in several different applications. The NCP1207APG incorporates a few features that enable its usage in both high-end as well as a host of consumer grade applications.

Application Field

The NCP1207APG can be found in a variety of high power applications such as power over Ethernet, telecommunications, consumer electronics and lighting. It can be used to make reliable, energy efficient and remote power supplies. The fact that the NCP1207APG can provide small form factor and high power density makes it the ideal choice for many energy-hungry applications.This product can also be used to build low-cost off-line diode bridge converters and multiphase non-isolated applications with exceptional performance. It can work as an offline switcher, with a maximum supply voltage of 400V as well as a high-temperature operation of up to 125°C.

Working Principle

The NCP1207APG utilizes a synchronous buck regulator and the SEPIC topology in its design to provide a high-powered output with excellent efficiency and low output voltage noise. The SEPIC topology also allows the device to operate with a wide range of input voltages, and highly accurate load current regulation as well.The device is composed of several components, with the control IC as the primary and the driver exchanging signals with the control IC ensuring high efficiency, low EMI levels and superior thermal characteristics. The NCP1207APG device has the capability of programmable operating frequency, soft start, and other features for a better user experience.The device can be used in a variety of applications and is highly robust and reliable. The NCP1207APG device offers high power density, high efficiency, fast transient response time, better power density and a wide range of features. The device’s primary features also include low input capacitance, low output voltage noise, thermal protection, and low interferences to surrounding components. The device is programmed to automatically adjust its frequency in order to keep the maximum noise level low. This feature allows the device to be used in a number of applications and yields superior performance than other similar AC-DC converters. The device also has a power saving design that allows it to reduce the input power when the load conditions are relatively low. This feature can help to achieve lower power consumption and reduced dissipation, which is beneficial in many applications. The NCP1207APG also has an embedded self-protection feature that will guarantee the device’s reliability and longevity.To sum up, the NCP1207APG device provides its users with a high performance, flexible and extensible solution for power supplies and AC-DC converters in a wide array of applications. This device is suitable for a number of applications due to its low ripple, low output voltage noise, and wide input/output differential voltage. Its integrated features make it very suitable for high-end applications such as telecommunications and PoE. Furthermore, its capabilities of low input capacitance and low interference helps it become the preferred choice for many implementations.

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