LTM4644IY#PBF is a quad DC/DC step-down µModule (micro-module) regulator with high performance and multi-functionality produced by ADI (ADI)
The following is a detailed description of the product:
I. Basic Parameters
Product type: four-channel DC/DC step-down µModule regulator
Output voltage range: 0.6V to 5.5V
Output Current: Maximum 4A per channel, supports parallel connection up to 16A.
Input voltage range: 4V to 14V (standard), or 2.375V to 14V with external bias
Package: 77-BGA measuring 9mm x 15mm x 5.01mm
Operating temperature: -40°C to 125°C
Efficiency: up to 90 percent
II. Functional Features
High performance design: Each channel can provide 4A continuous (5A peak) output current to meet high current demand application scenarios.
Wide Input Voltage Range: Supports a standard input voltage range of 4V to 14V, or expandable to 2.375V to 14V with external bias.
Flexible Output Configuration: Outputs can be paralleled to provide higher current capability up to 16A.
Fast Transient Response: Current mode control ensures fast system response to load changes.
Protection Mechanisms: Over-voltage (OVP), over-current (OCP) and over-temperature (OTP) protections ensure stable system operation.
High internal integration: Switching controller, power field effect transistors (FETs), inductors and supporting components are integrated in the package to simplify system design.
Miniaturized package: Compact BGA package design facilitates installation and layout in limited space.
III. Application Areas
LTM4644IY#PBF is widely used in many fields due to its high performance and versatility, including but not limited to:
Industrial automation: for industrial control systems, robotics and automation equipment, etc.
Communication infrastructure: for base stations, communication network equipment and data centers, etc.
Automotive electronics: for use in in-vehicle entertainment systems, driver assistance systems, and in-vehicle communication devices, among others.
Medical devices: for medical imaging devices, diagnostic equipment and portable medical devices, etc.
Consumer electronics: including smart home devices, portable electronics and industrial IoT devices, etc.