Overview
The LTM4646EY#PBF is a high-performance, dual 10A or single 20A output switching mode DC/DC power supply module produced by Analog Devices Inc. This µModule regulator integrates the switching controller, power FETs, inductors, and other necessary components into a compact package, making it a comprehensive solution for power management needs. The module is designed to operate over a wide input voltage range and offers high efficiency and fast transient response, making it suitable for a variety of applications requiring reliable and efficient power supply.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Voltage Range | 4.5V to 20V | V |
| Output Voltage Range | 0.6V to 5.5V | V |
| Output Current | Dual 10A or Single 20A | A |
| Total DC Output Error | ±1.5% | % |
| Switching Frequency | 250kHz to 1.3MHz | kHz to MHz |
| Efficiency | Up to 96% | % |
| Package Dimensions | 11.25mm × 15mm × 5.01mm | mm |
| Operating Temperature Range | –40°C to 125°C | °C |
| Terminal Finish | SnPb or RoHS compliant |
Key Features
- Dual 10A or single 20A output capability
- Wide input voltage range: 4.5V to 20V
- Output voltage range: 0.6V to 5.5V
- ±1.5% maximum total DC output error
- Multiphase current sharing and differential remote sense amplifier for each channel
- Current mode control with fast transient response
- Adjustable switching frequency (250kHz to 1.3MHz) and frequency synchronization
- Overcurrent foldback protection and output overvoltage protection
- Internal or external compensation options
- Built-in temperature monitoring diode
Applications
The LTM4646EY#PBF is versatile and can be used in various applications requiring high-current, high-efficiency power supplies. These include:
- Server and data center power supplies
- Telecommunications equipment
- Industrial control systems
- Medical devices
- Aerospace and defense systems
Q & A
- What is the input voltage range of the LTM4646EY#PBF?
The input voltage range is from 4.5V to 20V. - What are the output current options for the LTM4646EY#PBF?
The module can provide dual 10A outputs or a single 20A output. - What is the maximum total DC output error of the LTM4646EY#PBF?
The maximum total DC output error is ±1.5%. - What is the switching frequency range of the LTM4646EY#PBF?
The switching frequency can be adjusted from 250kHz to 1.3MHz. - Does the LTM4646EY#PBF have built-in protection features?
Yes, it includes overcurrent foldback protection and output overvoltage protection. - What are the package dimensions of the LTM4646EY#PBF?
The package dimensions are 11.25mm × 15mm × 5.01mm. - What is the operating temperature range of the LTM4646EY#PBF?
The operating temperature range is from –40°C to 125°C. - Is the LTM4646EY#PBF RoHS compliant?
Yes, it is available with RoHS compliant terminal finish. - What is the efficiency of the LTM4646EY#PBF?
The efficiency can be up to 96%. - Does the LTM4646EY#PBF support frequency synchronization?
Yes, it supports frequency synchronization.
