IR3897MTRPBF

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IR3897MTRPBF

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IC REG BUCK ADJ 4A 16POWERQFN

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規格

屬性 價值
Series SupIRBuck®
Part Status Obsolete
Base Product Number IR3897
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 1V
Voltage - Input (Max) 21V
Voltage - Output (Min/Fixed) 0.5V
Voltage - Output (Max) 18.06V
Current - Output 4A
Frequency - Switching 300kHz ~ 1.5MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package 16-PowerVQFN
Supplier Device Package 16-PowerQFN
Packaging Tape & Reel (TR)

概述

Description

The IR3897MTRPBF is a power management integrated circuit (PMIC) designed by Infineon Technologies. It features a highly efficient, integrated voltage regulator tailored for applications requiring precise voltage regulation and high current output. Key aspects include its capability to handle a wide input voltage range and deliver a stable output with minimal power loss, making it ideal for use in computing, networking, and telecommunications equipment.
The device incorporates advanced control techniques to maintain efficiency across various load conditions while offering protection features such as overcurrent, overvoltage, and over-temperature safeguards. The compact package format of the IR3897MTRPBF allows for efficient space utilization on printed circuit boards, making it suitable for modern electronic designs where space is a premium.
Overall, the IR3897MTRPBF stands out for its high performance, reliability, and versatility in demanding power delivery applications, aligning with industry needs for robust and energy-efficient solutions.

Equivalent

The IR3897MTRPBF is a DC-DC buck regulator. Equivalent products include the TPS54360 from Texas Instruments, LM2678 from Texas Instruments, and AP65211 from Diodes Incorporated. These alternatives offer similar functionalities in terms of voltage regulation, current capacity, and efficiency for specific power management applications. When selecting an equivalent, always verify the specifications to ensure compatibility with your design requirements.

Features

The IR3897MTRPBF is a high-efficiency, fully integrated voltage regulator designed by Infineon Technologies. Key features include:
1. Integrated Power Stage: It combines a synchronous buck controller, high-side, and low-side MOSFETs, reducing the need for external components.
2. Input Voltage Range: Supports a wide input voltage range, typically from 4.5V to 16V, making it suitable for various applications.
3. Output Voltage: Adjustable output voltage range, often programmable via external resistors, to meet specific application requirements.
4. Output Current: Capable of delivering high output current, often around 25A, suitable for power-intensive applications.
5. Efficiency: Boasts high efficiency across the load range due to optimized design and integrated components.
6. Protection Features: Includes over-current, over-voltage, under-voltage, and over-temperature protection to enhance reliability.
7. Switching Frequency: Offers a programmable switching frequency, allowing flexibility in optimizing the efficiency and size of the external components.
8. Thermal Performance: Designed for improved thermal performance with good heat dissipation characteristics.
These features make the IR3897MTRPBF ideal for applications like telecommunications, data centers, and general-purpose point-of-load conversions.

Manufacturer

The IR3897MTRPBF is manufactured by Infineon Technologies. Infineon is a leading global semiconductor company that was originally part of Siemens AG, before becoming an independent entity in 1999. Headquartered in Neubiberg, Germany, Infineon specializes in designing, developing, and manufacturing a wide range of semiconductor solutions, including microcontrollers, power semiconductors, sensors, and security products. These components are used across various applications, such as automotive, industrial, consumer electronics, and communication systems. The company is known for its focus on energy efficiency, mobility, and security.

Application

The IR3897MTRPBF is a voltage regulator designed for use in power management applications. Its primary application areas include:
1. Computing: It is used in servers, desktops, and notebooks for efficient power regulation and management.
2. Telecommunications: Essential for base stations and networking equipment to ensure stable power delivery.
3. Industrial: Utilized in various industrial automation systems for reliable power supply.
4. Consumer Electronics: Used in devices requiring efficient and compact power solutions.
5. Storage Systems: Important for RAID controllers and disk drives, providing stable power.
Its compact design and high efficiency make it suitable for applications where space and energy efficiency are critical.

Package

The IR3897MTRPBF is a power management IC packaged in a standard PQFN (Plastic Quad Flat No-leads) package. This package type is known for its compact size and efficient thermal performance, making it suitable for high-density applications.

Frequently Asked Questions


Q: What is the input voltage range for the IR3897MTRPBF?
A: The device supports an input voltage range from 1V to 21V, enabling operation from low-voltage rails up to standard 12V or 19V systems.


Q: What is the maximum output current and voltage?
A: It delivers up to 4A output current, with an adjustable output voltage from 0.5V to 18.06V, suitable for powering various ICs and loads.


Q: Does this regulator support synchronous rectification?
A: Yes, it features integrated synchronous rectification, improving efficiency by reducing power loss in the low-side MOSFET.


Q: What switching frequency range is configurable?
A: The switching frequency is adjustable from 300kHz to 1.5MHz, allowing optimization between efficiency and component size.


Q: What is the operating temperature range for this part?
A: It operates reliably from -40°C to +125°C junction temperature, suitable for industrial and automotive environments.


Q: In which package is the IR3897MTRPBF available?
A: It comes in a 16-lead PowerVQFN package (Supplier Package: 16-PowerQFN), designed for surface mount assembly to minimize footprint.


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