Overview
The LTM4650AEY#PBF is a high-performance, dual 25A or single 50A output switching mode step-down DC/DC µModule regulator produced by Analog Devices Inc. This device is part of the LTM4650 family and is designed to provide high efficiency and precision in power management applications. The LTM4650AEY#PBF integrates all necessary components, including switching controllers, power FETs, inductors, and supporting components, into a compact package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5V to 16V |
| Output Voltage Range | 0.6V to 5.5V |
| Output Current | Dual 25A or Single 50A |
| Total DC Output Error | ±1% |
| Switching Frequency | Programmable from 250kHz to 780kHz |
| Operating Temperature Range | –40°C to 125°C |
| Package Type | BGA |
| Package Finish | SAC305 (RoHS) |
Key Features
- High efficiency design with up to 95% efficiency
- Fast internal control loop compensation
- Programmable switching frequency from 250kHz to 780kHz
- Output voltage set by a single external resistor
- Burst Mode and Pulse-Skip Mode for low power consumption
- Integrated feedback resistors for precision output voltage regulation
- Compact BGA package suitable for space-constrained designs
Applications
The LTM4650AEY#PBF is suitable for a variety of applications requiring high current and high efficiency power conversion. These include:
- Server and data center power supplies
- Telecommunication equipment
- Industrial control systems
- Medical devices requiring high reliability and precision power management
- Aerospace and defense systems where compact, high-performance power solutions are critical
Q & A
- What is the input voltage range of the LTM4650AEY#PBF?
The input voltage range is from 4.5V to 16V. - What are the output current capabilities of the LTM4650AEY#PBF?
The device can provide dual 25A or single 50A output current. - What is the total DC output error of the LTM4650AEY#PBF?
The total DC output error is ±1%. - Can the switching frequency of the LTM4650AEY#PBF be adjusted?
Yes, the switching frequency is programmable from 250kHz to 780kHz. - What is the operating temperature range of the LTM4650AEY#PBF?
The operating temperature range is from –40°C to 125°C. - What type of package does the LTM4650AEY#PBF come in?
The device comes in a BGA package. - Is the LTM4650AEY#PBF RoHS compliant?
Yes, the device is RoHS compliant with a SAC305 finish. - How is the output voltage set on the LTM4650AEY#PBF?
The output voltage is set by a single external resistor. - Does the LTM4650AEY#PBF support low power modes?
Yes, it supports Burst Mode and Pulse-Skip Mode for low power consumption. - What are some typical applications for the LTM4650AEY#PBF?
Typical applications include server and data center power supplies, telecommunication equipment, industrial control systems, medical devices, and aerospace and defense systems.
