Overview
The IR3899AMTRPBF, produced by Infineon Technologies, is a 9A easy-to-use, fully integrated synchronous buck regulator. It employs a compensation-free fast Constant-On-Time (COT) control scheme, which simplifies the design process and minimizes the bill of material (BOM). This regulator is packaged in a small 4mm x 5mm PQFN package, offering excellent thermal performance.
Key Specifications
| Specification | Value |
|---|---|
| Input Voltage Range | 4.3V to 17V (with external Vcc: 1.0V to 21V) |
| Output Voltage Range | 0.5V to 0.86× Vin |
| Output Current | 9A |
| Switching Frequency | 600kHz to 2MHz (programmable) |
| Package | 4mm x 5mm PQFN |
| Operating Junction Temperature | -40°C < Tj < 125°C |
| Compliance | Halogen-free and RoHS compliant |
Key Features
The IR3899AMTRPBF features a wide input voltage range, precision reference voltage (0.6V +/-0.5%), and a compensation-free enhanced fast COT engine. It also includes optional forced continuous conduction mode or diode emulation for enhanced light load efficiency. Key features include:
- Programmable switching frequency from 600kHz to 2MHz
- Selectable OCP limit
- Enable input with voltage monitoring
- PGOOD - power good output
- Monotonic start-up
- Two selectable soft start times
- Enhanced pre-bias start-up
- Thermal shut down
Applications
The IR3899AMTRPBF is suitable for various applications, including:
- Server applications
- Storage applications
- Telecom and Datacom applications
- Distributed Point-of-Load power architectures
- Artificial intelligence systems
Q & A
- What is the input voltage range of the IR3899AMTRPBF?
The input voltage range is 4.3V to 17V, and with an external Vcc, it can range from 1.0V to 21V.
- What is the maximum output current of the IR3899AMTRPBF?
The maximum output current is 9A.
- What is the switching frequency range of the IR3899AMTRPBF?
The switching frequency is programmable from 600kHz to 2MHz.
- What package type is the IR3899AMTRPBF available in?
The IR3899AMTRPBF is available in a 4mm x 5mm PQFN package.
- Is the IR3899AMTRPBF RoHS compliant?
- What are the operating junction temperature limits for the IR3899AMTRPBF?
The operating junction temperature range is -40°C < Tj < 125°C.
- Does the IR3899AMTRPBF have thermal protection?
- What are some of the key applications for the IR3899AMTRPBF?
- Does the IR3899AMTRPBF support forced continuous conduction mode or diode emulation?
- What is the precision of the reference voltage in the IR3899AMTRPBF?
