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IR3899MTRPBF
+BOMIC REG BUCK ADJUSTABLE 9A 16PQFN
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Nhà sản xuấtCông nghệ Infineon
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Ông. Phần #IR3899MTRPBF
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Bảng dữ liệu IR3899MTRPBF DataSheet
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Gói PQFN-16
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Có sẵn6801
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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) | 1V |
| Voltage-Input(Max) | 21V |
| Voltage-Output(Min/Fixed) | 0.5V |
| Voltage-Output(Max) | 18.06V |
| Current-Output | 9A |
| Frequency-Switching | 300kHz ~ 1.5MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerVQFN |
Tổng quan
Description
Key features of the IR3899MTRPBF include a wide input voltage range, high power density, and excellent thermal performance. It integrates several components such as a controller, MOSFETs, and a synchronous buck converter into a single package, minimizing the need for external components and simplifying the design process. The IR3899MTRPBF also offers advanced features like input and output voltage regulation, fault protection, and dynamic voltage scaling, enhancing system reliability and efficiency.
This IVR supports fast transient response and can handle high current loads, making it suitable for applications requiring precise and stable power delivery. Its compact size and robust performance make it a popular choice for designers looking to optimize space and improve system efficiency.
Equivalent
1. Texas Instruments TPS546C23
2. Maxim Integrated MAX20751
3. Analog Devices ADP2166
4. Infineon TDA21470
These alternatives provide similar functionality, such as synchronous buck conversion and high current output, but it’s important to verify electrical specifications, pin compatibility, and thermal characteristics to ensure suitability for your specific application.
Features
1. Wide Input Voltage Range: It operates from an input voltage of 4.5V to 14V, making it suitable for various applications.
2. Output Voltage: The device can provide an adjustable output voltage ranging from 0.6V to 12V.
3. Load Current: Supports continuous output currents up to 4A.
4. Efficiency: It features high efficiency across the load range, often exceeding 90%, which helps reduce power loss and thermal stress.
5. Switching Frequency: Capable of operating at a high switching frequency, up to 1.5 MHz, enabling the use of smaller external components.
6. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety.
7. Soft Start: The device features a programmable soft-start, which helps limit inrush current during startup.
8. Package: Comes in a compact and thermally enhanced package, suitable for space-constrained applications.
These features make the IR3899MTRPBF ideal for power management solutions in computing, telecom, and consumer electronics.
Pinout
The primary function of the IR3899MTRPBF is to convert a higher input voltage to a lower output voltage while delivering high efficiency and minimizing power loss. It integrates a driver, control, switching FETs, and compensation components within a single package, simplifying the design and reducing the needed board space.
The 32-pin package allows for various input and output configurations and includes features such as an enable pin, power good indicator, and fault protections like over-current and over-temperature protection. These features make it suitable for a wide range of applications from consumer electronics to industrial equipment, where efficient power regulation is needed.