Overview
The LTM4644MPY#PBF is a quad DC/DC step-down µModule (micromodule) regulator produced by Analog Devices Inc. This high-performance power converter integrates switching controllers, power FETs, inductors, and support components, simplifying the design process and reducing the need for additional external components. The module operates over an input voltage range of 4V to 14V (or 2.375V to 14V with an external bias supply) and supports an output voltage range of 0.6V to 5.5V. Each output can deliver up to 4A of continuous current, with the capability to parallel outputs for up to 16A.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Voltage Range | 4V to 14V (or 2.375V to 14V with external bias supply) | V |
| Output Voltage Range | 0.6V to 5.5V | V |
| Output Current per Channel | 4A continuous (5A peak) | A |
| Number of Outputs | 4 | - |
| Package Type | BGA-77 | - |
| Operating Temperature Range | -55°C to 125°C | °C |
| Size / Dimension | 0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm) | - |
| RoHS Compliance | Yes | - |
Key Features
- High-Voltage Power Conversion Systems: Supports a wide input voltage range, making it versatile for various power supply configurations.
- Fully Integrated Design: Includes switching controllers, power FETs, inductors, and support components, reducing the need for external components.
- High-Accuracy Voltage Regulation: Ensures stable output voltages across different load conditions.
- Remote Control and Monitoring Options: Allows for external control and monitoring of the power module.
- Overcurrent Protection (OCP), Overtemperature Protection (OTP), and Overvoltage Protection (OVP): Built-in protection mechanisms to ensure reliable operation.
Applications
- Optimal Power Efficiency: Suitable for applications requiring high power efficiency and compact design.
- Precision Voltage Control: Ideal for systems needing precise voltage regulation, such as in telecommunications, data centers, and industrial control systems.
- Customized Power Solutions: Can be used in a variety of custom power supply designs where flexibility and reliability are crucial.
- Information Technology Equipment (ITE): Commonly used in commercial ITE applications due to its high performance and reliability.
Q & A
- What is the input voltage range of the LTM4644MPY#PBF?
The input voltage range is 4V to 14V, or 2.375V to 14V with an external bias supply.
- How many outputs does the LTM4644MPY#PBF have?
The module has 4 outputs.
- What is the maximum output current per channel?
Each output can deliver up to 4A of continuous current, with a peak current of 5A.
- What is the operating temperature range of the LTM4644MPY#PBF?
The operating temperature range is -55°C to 125°C.
- Is the LTM4644MPY#PBF RoHS compliant?
Yes, the module is RoHS compliant.
- What type of package does the LTM4644MPY#PBF use?
The module uses a BGA-77 package.
- What are the key features of the LTM4644MPY#PBF?
Key features include high-voltage power conversion, fully integrated design, high-accuracy voltage regulation, remote control and monitoring options, and built-in protection mechanisms.
- What are some common applications of the LTM4644MPY#PBF?
Common applications include optimal power efficiency, precision voltage control, customized power solutions, and information technology equipment (ITE).
- Can the outputs of the LTM4644MPY#PBF be paralleled?
Yes, the outputs can be paralleled in an array for up to 16A capability.
- What are the dimensions of the LTM4644MPY#PBF?
The dimensions are 0.59" L x 0.35" W x 0.20" H (15.0mm x 9.0mm x 5.0mm).
