Overview
The BD9120HFN-TR is a high-performance DC/DC converter controller IC produced by Rohm Semiconductor. This integrated circuit is designed as a single-channel buck converter, incorporating a synchronous rectifier and power MOSFETs. It operates within a voltage range of 2.7V to 4.5V and can deliver an output current of up to 0.8A. The BD9120HFN-TR is known for its fast transient response, making it suitable for applications requiring quick adjustments to load changes.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7V to 4.5V |
| Output Current | Up to 0.8A |
| Output Voltage | Adjustable, minimum 1V |
| Control Method | Current Mode Control |
| Package | HSON-8 |
| Manufacturer | Rohm Semiconductor |
Key Features
- Current mode control system for fast transient response to sudden load changes.
- Integrated synchronous rectifier and power MOSFETs for high efficiency and reduced component count.
- Adjustable output voltage with a minimum of 1V.
- Compact HSON-8 package for space-saving designs.
Applications
The BD9120HFN-TR is suitable for a variety of applications that require efficient and fast DC/DC conversion, such as:
- Portable electronic devices (e.g., smartphones, tablets).
- Industrial control systems.
- Automotive electronics.
- Consumer electronics (e.g., set-top boxes, gaming consoles).
Q & A
- What is the input voltage range of the BD9120HFN-TR? The input voltage range is 2.7V to 4.5V.
- What is the maximum output current of the BD9120HFN-TR? The maximum output current is up to 0.8A.
- What control method does the BD9120HFN-TR use? It uses a current mode control system.
- What is the package type of the BD9120HFN-TR? The package type is HSON-8.
- What is the minimum output voltage of the BD9120HFN-TR? The minimum output voltage is 1V.
- Does the BD9120HFN-TR have integrated MOSFETs? Yes, it integrates power MOSFETs and a synchronous rectifier.
- What are some typical applications of the BD9120HFN-TR? Typical applications include portable electronics, industrial control systems, automotive electronics, and consumer electronics.
- How does the BD9120HFN-TR handle transient responses? It employs a current mode control system to provide fast transient response to sudden changes in load.
- Where can I purchase the BD9120HFN-TR? You can purchase it from distributors such as Digi-Key, Mouser, and other authorized Rohm Semiconductor distributors.
- What is the file format of the datasheet for the BD9120HFN-TR? The datasheet is available in PDF format.
