NCP1599 Series

Synchronous Buck Converter, 1 MHz, 3.0 A

Catalog

Synchronous Buck Converter, 1 MHz, 3.0 A

Part	Voltage - Input (Max) [Max]	Function	Frequency - Switching	Current - Output	Output Type	Package / Case	Voltage - Output (Min/Fixed)	Topology	Output Configuration	Synchronous Rectifier	Voltage - Output (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input (Min) [Min]	Mounting Type	Supplier Device Package	Number of Outputs
ON Semiconductor NCP1599MNTWG	5.5 V	Step-Down	1 MHz	3 A	Adjustable	6-VDFN Exposed Pad	0.8 V	Buck	Positive		4.51 V	85 °C	-40 °C	3 V	Surface Mount	6-DFN (3x3)	1

Catalog

Synchronous Buck Converter, 1 MHz, 3.0 A

Key Features

• Input voltage range of 2.7 V to 5.5 V

• Internal 140mΩ / 90mΩ MOSFETs

• Cycle-by-Cycle Current Limiting

• Overtemperature Protection

• Start-up with Pre-Biased Output Load

• 0.8 V +/- 1.5% Reference Voltage

• Power Saving Mode During Light Load

Description

The NCP1599 is a fixed 1 MHz, high-output-current, synchronous PWM converter that integrates a low-resistance, high-side P-channel MOSFET and a low-side N-channel MOSFET. The NCP1599 utilizes internally compensated current mode control to provide good transient response, ease of implementation, and excellent loop stability. It regulates input voltages from 3.0 V to 5.5 V down to an output voltage as low as 0.8 V and is able to supply up to 3.0 A of load current. The NCP1599 includes an internally fixed switching frequency (FSW), and an internal soft-start to limit inrush current. Other features include cycle-by-cycle current limiting, short-circuit protection, power saving mode and thermal shutdown.