NCP1593BMNTWG

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4V
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Output (Max):	5.23V
Current - Output:	3A
Frequency - Switching:	1MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	10-VFDFN Exposed Pad
Supplier Device Package:	10-DFN (3x3)
Base Part Number:	NCP1593

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Introduction to NCP1593BMNTWGThe NCP1593BMNTWG is a monolithic power control integrated circuit (IC) presented by ON Semiconductor Corporation that is suitable for a range of high performance, low power, switch-mode power supply applications. This IC is part of the industry-leading family of high-quality, low-power voltage regulators and is capable of delivering a full range of adjustable output voltage and output current, making it suitable for a variety of demanding applications.The NCP1593BMNTWG is a fixed-frequency, pulse width modulation (PWM), high-efficiency, DC/DC switching regulator ideally suited for applications such as PC systems, mobile telephones, and other apparatuses requiring a low-voltage, high-efficiency power supplies.Application FieldThe NCP1593BMNTWG is suitable for Power Supply Voltage Regulation and DC/DC Converter applications. The IC is capable of providing tightly regulated output voltages with excellent line, load and temperature regulation. The IC also includes a low-power shutdown mode and requires minimal, external components. In addition, the IC features include soft-start and frequency synchronization circuitry, making it ideal for high-performance and low-power applications.The NCP1593BMNTWG is particularly suitable for a variety of consumer and industrial applications including: - Data Processing - Networking - Test and Measurement - Medical and IT Equipment - Telecom and Automotive Components - Home Appliances Working PrincipleThe NCP1593BMNTWG is a fixed-frequency, Pulse Width Modulation (PWM) DC/DC switching regulator that utilizes an internal power transistor, allowing it to efficiently provide a regulated output voltage with up to 2A of load current. The fixed frequency of the IC is programmable and is adjustable from 500kHz to 2.2MHz, depending on the application.The IC contains an on-chip voltage reference and a comparator to provide a control loop for regulating the output voltage. Furthermore, the IC includes an over-current protection circuit that limits the inductor current to a maximum of 2A. The NCP1593BMNTWG also includes a frequency-locking circuit that prevents the oscillator frequency from exceeding 2MHz and is designed to minimize EMI.The NCP1593BMNTWG utilizes a low quiescent current, a low-load current, and an output error amplifier powered from a standby voltage regulator to start the output voltage ramp to the regulated value. The IC also features an adjustable soft-start function that limits the inrush current during startup and a low-power shutdown mode for maximum power efficiency. Conclusion The NCP1593BMNTWG is a high-performance, low-power voltage regulator IC from ON Semiconductor Corporation. This IC is designed for a variety of demanding applications such as Power Supply Voltage Regulation and DC/DC Converter applications. The IC is a fixed-frequency, PWM DC/DC switching regulator with an adjustable operating frequency, allowing it to provide a regulated output voltage with up to 2A of load current. The IC also includes a low-quiescent current, a low-load current, a soft-start circuit, a high-efficiency circuit, and an over-current protection circuit. This power control IC is ideal for a variety of applications including Data Processing, Networking, Test and Measurement, Medical and IT Equipment, Telecom and Automotive Components, and Home Appliances.

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