NCP1560HDR2

Frequency - Switching:	300kHz, 480kHz
Base Part Number:	NCP1560
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Frequency Control, Ramp, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	80%
Series:	--
Voltage - Supply (Vcc/Vdd):	21.5 V ~ 150 V
Output Phases:	1
Number of Outputs:	2
Topology:	Forward Converter
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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NCP1560HDR2 Application Field and Working PrincipleThe NCP1560HDR2 is a high performance, low power, step-up DC-DC switching controller from ON Semiconductor, designed to support the higher data rates of today’s next generation technologies. This IC is part of ON Semiconductor’s robust portfolio of DC-DC switching controllers and is designed to drive a wide range of output voltages and currents. The device outputs a user programmable voltage with high accuracy (±2%) and low noise. This voltage can be adjusted from 2.5V to 24V in small increments and the device can easily be programmed to the desired voltage.Small and highly efficient for industrial applications, NCP1560HDR2 is a member of the voltage regulator family of products, DC-DC switching controllers, with the following features and benefits.

Features of NCP1560HDR2

The features of the NCP1560HDR2 are designed to meet the needs of today’s high performance applications. • Low quiescent power: The NCP1560HDR2 features low quiescent power, with a single voltage input of 12V and no battery backup, while its high efficiency minimizes power losses. • Wide range of output voltages: The output voltage is adjustable from 2.5V to 24V, which allows for a wide range of applications. • Programmable frequency and output current: With programmable output current, the NCP1560HDR2 can provide a wide range of output currents from 0.1A to 10A, depending on the operating temperature and conditions. The NCP1560HDR2 also has an adjustable switching frequency, so the user can select the optimal frequency for their application. • Built-in Protection: The NCP1560HDR2 provides protection from over-voltage, over-temperature, and overload conditions. These features protect the device from damage, while also preventing excessive current draw, which helps to maximize efficiency. • Scalability: The NCP1560HDR2 is designed with scalability in mind, allowing the user to easily upgrade or replace components as needed. This helps to minimize downtime and maximize application availability.

Working Principle of NCP1560HDR2

The NCP1560HDR2 is a synchronous step-up DC-DC switching converter, designed to provide the user with a wide range of voltage levels and currents. The device comprises of a top switch, a synchronous rectifier, an inductor and an output filter, along with an oscillator, PWM and control logic.The operating principle of the NCP1560HDR2 is based on the buck converter topology. When the top switch is turned on, the inductor stores energy and the output voltage rises. When the switch is turned off, the stored energy is delivered to the output filter and the output voltage is regulated. By controlling the duty cycle of the top switch, the output voltage can be regulated accurately.The NCP1560HDR2’s high accuracy and low quiescent current are achieved by the use of an adjustable external resistor and an internal voltage reference circuit. With these features, the output voltage is maintained within ±2% accuracy over the operating temperature range.

Applications

The NCP1560HDR2 is ideal for a wide range of applications, including:• High power DC-DC and isolated DC-DC conversion• Portable electronic devices• Industrial equipment• Automotive applications• LED lighting systems• Networking and off-grid power management. In these applications, the device is typically used in conjunction with an external switch, such as a MOSFET, and an external power inductor.

Conclusion

The NCP1560HDR2 is a highly efficient, low power, adjustable DC-DC switching controller from ON Semiconductor. The device provides an adjustable output voltage from 2.5V to 24V, with a ±2% accuracy over the operating temperature range. The device is designed to support the higher data rates of today’s next generation technologies and can be used for a wide range of applications, from portable electronics to industrial equipment. The NCP1560HDR2 also features programmable frequency and output current, making it an ideal solution for a variety of applications.

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