Overview
The IR3898MTRPBF, produced by Infineon Technologies (formerly International Rectifier), is a highly integrated SupIRBuck™ single-input voltage, synchronous buck regulator. This DC/DC regulator is designed to provide accurate and efficient power delivery for low output voltage applications. It features an onboard PWM controller and integrated MOSFETs, making it a space-efficient solution. The IR3898 is versatile, offering programmability of switching frequency and internal current limit, and operates over a wide input and output voltage range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 1.0 | - | 21 | V |
| Output Voltage Range | 0.5 | - | 0.86*Vin | V |
| Switching Frequency | 300kHz | - | 1.5MHz | - |
| Output Current | - | - | 6A | - |
| Operating Temperature | -40°C | - | 125°C | - |
| Package Type | - | - | 4mm x 5mm PQFN | - |
| Compliance | - | - | Lead-free, Halogen-free, RoHS Compliant | - |
Key Features
- Precision Reference Voltage (0.5V ± 0.5%) with margining capability
- Integrated MOSFET drivers and Bootstrap Diode
- Thermal Shut Down and Pre-Bias startup
- Programmable Power Good Output with tracking capability
- Monotonic Start-Up
- Thermally compensated current limit
- Source/Sink Capability ±6A for tracking applications
- Small Size: 4mm x 5mm PQFN package
Applications
- Netcom Applications
- Embedded Telecom Systems
- Server Applications
- Storage Applications
- Distributed Point of Load Power Architectures
Q & A
- What is the input voltage range of the IR3898MTRPBF?
The input voltage range is from 1.0V to 21V with external Vcc.
- What is the output voltage range of the IR3898MTRPBF?
The output voltage range is from 0.5V to 0.86*Vin.
- What is the switching frequency range of the IR3898MTRPBF?
The switching frequency is programmable from 300kHz to 1.5MHz.
- What is the maximum output current of the IR3898MTRPBF?
The maximum output current is 6A.
- What are the key protection features of the IR3898MTRPBF?
The key protection features include thermal shutdown, pre-bias startup, and thermally compensated current limit.
- Is the IR3898MTRPBF RoHS compliant?
- What is the operating temperature range of the IR3898MTRPBF?
The operating temperature range is from -40°C to 125°C.
- What package type does the IR3898MTRPBF come in?
The IR3898MTRPBF comes in a 4mm x 5mm PQFN package.
- What are some typical applications of the IR3898MTRPBF?
Typical applications include netcom, embedded telecom systems, server applications, storage applications, and distributed point of load power architectures.
- Does the IR3898MTRPBF have programmable power good output?
