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Auxiliary Power

Server, computing, telecom, and consumer electronics applications require high current point-of-load (PoL) devices to power a multitude of auxiliary systems. These power supplies need to be efficient, compact, and easy to use with the right features for control, telemetry, and protection. LDOs and linear regulators are an alternative solution where extremely low noise power supplies are required, such as image sensors, SSDs, and RF power. ON Semiconductor offers a wide portfolio of PoL devices and linear regulators to meet a wide range of voltage and current requirements, including a growing 48 V compatible family. From discrete parts to integrated solutions, our point-of-load products are compatible with a range of platforms.
Products
FAN65004B: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 6 A
FAN65004B is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 6 A.
FAN65004B: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 6 A
FAN65005A: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 8 A
FAN65005A is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 8 A.
FAN65005A: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 8 A
FAN65008B: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 10 A
FAN65008B is a wide VIN highly efficient synchronous buckregulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 10 A.
FAN65008B: Synchronous PWM Buck Regulator, High Performance, Voltage Mode, 65 V, 10 A
NCP4060: 80V, 6A Synchronous Step Down Converter in a compact 6mm by 6mm package
The NCP4060 is a 6A, 80V synchronous step down converter capable of operating from 16V to 80V and can deliver 6A at 85C at common output voltage such as 5V, 12V, 24V. The device offers a 1%, 1.25V internal reference, which allows for accurate output voltages.
NCP4060: 80V, 6A Synchronous Step Down Converter in a compact 6mm by 6mm package
Technical Documents
Designing Stable Control Loops for High Current Voltage Mode Synchronous Buck Converter with the NCP323X
The NCP323X is a high current, high efficiency, voltage-mode synchronous buck converter which operates from 4.5 V to 21 V input and generates output voltages down to 0.6 V at up to 30 A. NCP323X utilizes voltage mode with voltage feed-forward control to respond instantly to VIN changes and provide for easier compensation over the supply range of the converter.
Designing Stable Control Loops for High Current Voltage Mode Synchronous Buck Converter with the NCP323X
Evaluation Boards
NCP3170AGEVB:  Flexible Synchronous PWM Switching Buck Regulator Evaluation
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.
NCP3170AGEVB:  Flexible Synchronous PWM Switching Buck Regulator Evaluation
NCP3135GEVB: 2.9V to 5.5V, 5A Integrated Synchronous DC-DC Step Down Converter Evaluation Board
The NCP3135GEVB Evaluation Board is designed to effectively evaluate the NCP3135, which is a fully integrated synchronous buck converter capable of delivering up to 5A. The device operates from 2.9V to 5.5V, making them ideal for 3.3V and 5V bus applications
NCP3135GEVB: 2.9V to 5.5V, 5A Integrated Synchronous DC-DC Step Down Converter Evaluation Board
NCP3133AGEVB: 3A Integrated Synchronous Buck Converter Evaluation Board
The NCP3133AGEVB evaluation board is designed to test the NCP3133A, a fully integrated synchronous buck converter for 3.3 V and 5 V step−down applications, providing up to 3 A load current.
NCP3133AGEVB: 3A Integrated Synchronous Buck Converter Evaluation Board
NCP3170BGEVB:  Flexible Synchronous PWM Switching Buck Regulator Evaluation
The NCP3170 is a flexible synchronous PWM Switching Buck Regulator. The NCP3170 operates from 4.5 V to 18 V, producing up to 3 A and is capable of producing output voltages as low as 0.8 V. The NCP3170 also incorporates current mode control
NCP3170BGEVB:  Flexible Synchronous PWM Switching Buck Regulator Evaluation
NCP3232NGEVB: NCP3232NGEVB - High Current Sync Buck Converter
The NCP3232NGEBN Evaluation Board is a high current, high efficiency voltage-mode synchronous buck converter which operates from 4.5V to 21V input and generates output voltages down to 0.6V at up to 15A load.
NCP3232NGEVB: NCP3232NGEVB - High Current Sync Buck Converter
NCP3235GEVB: High Current Sync Buck Converter
The NCP3235GEVB Evaluation Board is a high current, high efficiency voltage mode synchronous buck converter which operates from 4.5 V to 23 V input and generates output voltages down to 0.6 V at up to 15 A continuous current.
NCP3235GEVB: High Current Sync Buck Converter
NCP3230GEVB: High Current Sync Buck Converter
The NCP3230GEVB Evaluation Board is a high current, high efficiency, voltage−feed−forward voltage−mode synchronous buck converter which operates from 4.5 V to 18 V input and generates output voltages down to 0.6 V at up to 30 A load.
NCP3230GEVB: High Current Sync Buck Converter
NCP3233GEVB: Step Down Converter Evaluation Board
The NCP3233GEVB is a 20A step down converter (with internal MOSFETs) capable of operating from 3V to 16V without the need for an external bias. This fixed frequency converter offers high efficiency and the output can be adjusted to offer a voltage as low as 0.6V. 
NCP3233GEVB: Step Down Converter Evaluation Board
FAN65008B-GEVB: High Performance 65V, 10A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
The FAN65008B-GEVB evaluation board is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 10 A.
FAN65008B-GEVB: High Performance 65V, 10A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
FAN65005A-GEVB: High Performance 65V, 8A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
The FAN65005A-GEVB evaluation board is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 8 A.
FAN65005A-GEVB: High Performance 65V, 8A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
FAN65004B-GEVB: High Performance 65V, 6A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
The FAN65004B-GEVB evaluation board is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 6 A.
FAN65004B-GEVB: High Performance 65V, 6A Voltage Mode Synchronous PWM Buck Regulator Evaluation Board
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