圖片僅供參考
IR3897MTRPBF
+物料清單IC REG BUCK ADJ 4A 16POWERQFN
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製造商英飛淩科技
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製造商部分 #IR3897MTRPBF
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有存貨3982
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正品保證
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 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
Features
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
Application
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
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.