NCP1034DR2G

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NCP1034DR2G

IC REG CTRLR BUCK 16SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 10V ~ 18V
Frequency-Switching 25kHz ~ 500kHz
DutyCycle(Max) 80%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Current Limit, Enable, Frequency Control, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

概述

Description

The NCP1034DR2G is a monolithic switching regulator designed by ON Semiconductor. It integrates a fixed-frequency current-mode PWM controller and a power MOSFET, simplifying the design of isolated and non-isolated power supplies. This IC operates over a wide input voltage range and provides efficient power conversion with minimal external components. It is suitable for use in applications like adapters, offline battery chargers, and auxiliary power supplies.
Key features of the NCP1034DR2G include programmable switching frequency, cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout for enhanced reliability and protection. Additionally, it offers a soft-start feature to minimize inrush current during power-up. The device supports both continuous and discontinuous conduction mode operations, enabling flexibility in different power supply designs. Its compact design and integrated functionality make it an ideal choice for space-constrained applications where efficient power conversion is required.

Features

The NCP1034DR2G is a versatile power management integrated circuit (IC) produced by ON Semiconductor. It is designed for use in switch-mode power supplies, focusing on applications that require efficient power conversion. Key features of the NCP1034DR2G include:
1. Wide Input Voltage Range: It supports a broad input voltage range, making it suitable for a variety of applications.
2. PWM Controller: The IC incorporates a Pulse Width Modulation (PWM) controller to manage power conversion effectively.
3. High Switching Frequency: It operates at high switching frequencies, allowing for smaller external components and more compact designs.
4. Integrated MOSFET Drivers: The device includes integrated high-side and low-side MOSFET drivers, enhancing efficiency and simplifying the design.
5. Adjustable Output: It supports adjustable output settings to meet specific application needs.
6. Protection Features: The NCP1034DR2G incorporates various protection mechanisms, such as overcurrent protection, overtemperature protection, and undervoltage lockout, enhancing system reliability.
7. Compact Package: It is available in a small, thermally efficient package, allowing for ease of integration into space-constrained designs.
These features make the NCP1034DR2G suitable for power supply applications in consumer electronics, telecommunications, and industrial equipment.

Package

The NCP1034DR2G is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is compact, surface-mountable, and commonly used for integrating circuits like voltage regulators and power management ICs.

Pinout

The NCP1034DR2G is a high voltage switching regulator controller designed for use in isolated or non-isolated DC-DC converter topologies. It is typically used for high-performance applications requiring efficient power conversion.
The NCP1034DR2G comes in an 8-pin SOIC package. Here is a brief overview of its pin functions:
1. VCC (Pin 1): Supplies voltage to the device.
2. FB (Pin 2): Feedback pin for output voltage regulation.
3. COMP (Pin 3): Compensation pin used for stability and transient response control.
4. GND (Pin 4): Ground reference for the IC.
5. DRV (Pin 5): Driver output for controlling the external MOSFET.
6. CS (Pin 6): Current sense input used for current limiting and protection.
7. RT/CT (Pin 7): Sets the oscillator frequency with an external resistor and capacitor.
8. UVLO (Pin 8): Under-voltage lockout pin to ensure the IC operates only above a certain input voltage level.
These pins enable the NCP1034DR2G to effectively control power conversion processes in various applications.

Manufacturer

The NCP1034DR2G is manufactured by ON Semiconductor, a company that specializes in the design and manufacture of semiconductors and related technologies. ON Semiconductor provides a wide range of products, including power and signal management, logic, discrete, and custom devices for a variety of applications in the automotive, industrial, cloud power, and Internet of Things (IoT) sectors. The company is known for its focus on energy-efficient innovations and solutions that enable engineers to design energy-efficient electronics.

Application

The NCP1034DR2G is a high-performance PWM controller designed for power supply applications. It is commonly used in areas such as isolated and non-isolated DC-DC converters, AC-DC power supplies, and LED drivers. Additionally, it is suitable for telecom, networking, industrial, and consumer electronics where efficient power conversion is required. Its features like wide input voltage range, integrated high-voltage startup, and protection mechanisms make it ideal for designing compact and reliable power solutions.

Equivalent

The NCP1034DR2G is a switching regulator controller used primarily for power conversion. Equivalent products include:
1. LM3488 from Texas Instruments
2. MC34063 from ON Semiconductor
3. UC3843 from Texas Instruments
4. LT3748 from Analog Devices
5. TL494 from Texas Instruments
These components provide similar functionality for power management in various applications. Make sure to compare specific features to ensure compatibility with your requirements.

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