IR3846MTRPBF

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IR3846MTRPBF

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IC REG BUCK ADJ 35A 34PQFN

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
Series SupIRBuck®
ProductStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 1.5V
Voltage-Input(Max) 21V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 18.06V
Current-Output 35A
Frequency-Switching 300kHz ~ 1.5MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 34-PowerVFQFN

Tổng quan

Description

The IR3846MTRPBF is a high-efficiency, fully integrated voltage regulator from Infineon's family of integrated voltage regulators designed for applications requiring compact and efficient power solutions. It features a synchronous buck converter with integrated MOSFETs and a PWM controller. The device is capable of delivering up to 35A continuous current and supports a wide input voltage range, typically from 1.0V to 21V, making it suitable for use in a variety of electronic systems, including computing, communications, and consumer applications.
Key features of the IR3846MTRPBF include high power density, superior thermal performance, and a programmable switching frequency, which allows for optimization of efficiency and performance. It also includes protection features such as over-current protection, over-temperature protection, and under-voltage lockout to ensure reliable operation. The device is packaged in a compact Power QFN package, which helps in reducing the overall size of the power management solution on a PCB. Its design simplifies the implementation of advanced power management in space-constrained environments.

Equivalent

The IR3846MTRPBF is a DC-DC synchronous buck regulator from Infineon. Equivalent products could include similar voltage regulators from other manufacturers, such as:
1. Texas Instruments LM21215
2. Microchip Technology MIC28512
3. Analog Devices ADP2386
4. Maxim Integrated MAX15157
Ensure compatibility with specific design requirements like input/output voltage, current rating, and efficiency when selecting an equivalent. Always consult datasheets for detailed comparisons.

Features

The IR3846MTRPBF is a high-performance, synchronous buck converter designed for efficient power management in various applications. Key features include:
1. Input Voltage Range: Operates with an input voltage from 2.5V to 17V, offering flexibility for different power sources.

2. Output Current: Capable of delivering up to 35A continuous current, suitable for high-power applications.
3. Efficiency: High efficiency across a wide load range, optimizing power usage and thermal performance.
4. Switching Frequency: Programmable switching frequency from 300kHz to 1.5MHz allows for design flexibility and size optimization of external components.
5. Precision Voltage Regulation: Provides accurate output voltage regulation with a reference voltage of 0.6V.
6. Protection Features: Includes various protection mechanisms such as over-current, over-voltage, under-voltage, and thermal shutdown to enhance reliability.
7. Size and Package: Comes in a compact 5mm x 6mm PQFN package, making it suitable for space-constrained designs.
8. Compatibility: Supports fast transient response with its constant on-time control architecture.
These features make the IR3846MTRPBF suitable for a wide range of applications including computing, communications, and consumer electronics.

Pinout

The IR3846MTRPBF is a high-performance integrated voltage regulator (IVR) designed by Infineon Technologies. It features a 22-pin configuration. This device is a part of the PowIRstage® family, designed to provide high efficiency and performance for DC-DC power conversion applications.
Key functions of the IR3846MTRPBF include:
1. Integrated FETs: It incorporates high and low-side MOSFETs for synchronous buck converter applications.

2. Input Voltage Range: Supports a wide input voltage range, typically from 1.5V to 16V, which makes it versatile for various applications.

3. Output Voltage: It offers programmable output voltage settings, with typical outputs ranging from 0.6V to 12V, allowing for flexibility in design.

4. Current Rating: It can deliver a continuous output current of up to 35A, suitable for powering processors, memory, and other components.
5. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to ensure reliable operation.
6. Efficiency: Designed to offer high energy efficiency, which is critical in minimizing power loss and thermal concerns in high-performance applications.
The compact design and robust feature set make the IR3846MTRPBF suitable for a wide range of power management applications in computing, telecommunications, and high-performance electronics.

Manufacturer

The IR3846MTRPBF is manufactured by Infineon Technologies. Infineon is a German semiconductor manufacturer known for producing a wide range of semiconductor solutions. The company specializes in products for automotive, industrial, communications, consumer, and security electronics. Infineon is recognized for its innovation and leadership in power semiconductors, microcontrollers, sensors, and security ICs, playing a significant role in advancing technologies in energy efficiency, mobility, and security.

Application

The IR3846MTRPBF is a high-performance, synchronous buck converter commonly used in various applications due to its efficiency and compact design. Typical application areas include power management in computing systems, such as motherboards and processors, where reliable voltage regulation is critical. It is also used in telecommunications equipment, networking devices, and storage applications, where consistent power delivery is necessary. Additionally, the IR3846MTRPBF is suitable for industrial automation and control systems, offering efficient power conversion for embedded systems and programmable logic controllers. Its versatility makes it ideal for any application requiring a compact, efficient, and reliable DC-DC buck converter.

Package

The IR3846MTRPBF is a DC-DC Buck Converter in a Power QFN (Quad Flat No-leads) package. This package type is designed to provide efficient thermal performance and compact size for surface-mount applications.

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