Overview
The LTM4647IY#PBF from Analog Devices Inc. is a highly efficient and compact 30A output switching mode step-down DC/DC µModule regulator. This power module integrates the switching controller, power FETs, inductor, and all supporting components into a single package, simplifying the design process and reducing the need for additional external components. It operates over an input voltage range of 4.7V to 15V and supports an output voltage range of 0.6V to 1.8V, set by a single external resistor. The module is known for its high efficiency, achieving up to 87% efficiency from a 12V input to a 1.0V output with a 30A continuous load current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.7V to 15V | V |
| Output Voltage Range | 0.6V to 1.8V | V |
| Maximum Output Current | 30A | A |
| Total DC Output Voltage Error | ±1.2% | % |
| Switching Frequency | 600 kHz | kHz |
| Package Type | 77-BGA | |
| Package Dimensions | 9mm × 15mm × 5.01mm | mm |
| Operating Temperature Range | -40°C to 125°C | °C |
| Storage Temperature Range | -55°C to 125°C | °C |
Key Features
- High efficiency operation up to 87% from 12V input to 1.0V output with 30A continuous load current.
- Frequency synchronization and programmable multiphase operation.
- N+1 phase redundancy and output voltage tracking for supply rail sequencing.
- Internal or external control loop compensation.
- Differential remote sense amplifier for precision regulation.
- Current mode control with fast transient response.
- Multiphase current sharing up to 180A.
- Built-in temperature monitoring.
- Selectable pulse-skipping, burst mode operation.
- Soft-start/voltage tracking.
- Output overvoltage protection and overcurrent foldback protection.
Applications
- Telecommunications and networking equipment.
- Data center and cloud computing infrastructure.
- High-performance computing and servers.
- Industrial control systems and automation.
- Medical devices and healthcare equipment.
- Efficient power delivery in compact designs.
- Flexible power configurations in various systems.
Q & A
- Q: What is the input voltage range of the LTM4647IY#PBF?
A: The input voltage range is from 4.7V to 15V.
- Q: What is the maximum output current of the LTM4647IY#PBF?
A: The maximum output current is 30A.
- Q: What is the output voltage range of the LTM4647IY#PBF?
A: The output voltage range is from 0.6V to 1.8V.
- Q: What is the efficiency of the LTM4647IY#PBF?
A: The module achieves up to 87% efficiency from a 12V input to a 1.0V output with a 30A continuous load current.
- Q: What are the key protection features of the LTM4647IY#PBF?
A: The module includes output overvoltage protection and overcurrent foldback protection.
- Q: What is the package type and dimensions of the LTM4647IY#PBF?
A: The package type is 77-BGA, and the dimensions are 9mm × 15mm × 5.01mm.
- Q: What is the operating temperature range of the LTM4647IY#PBF?
A: The operating temperature range is from -40°C to 125°C.
- Q: Does the LTM4647IY#PBF support multiphase operation?
A: Yes, it supports programmable multiphase operation and multiphase current sharing up to 180A.
- Q: What warranty is offered for the LTM4647IY#PBF?
A: A 1-year warranty is offered, covering any defects in materials and workmanship under normal use.
- Q: How can I ensure the authenticity of the LTM4647IY#PBF?
A: Ensure you purchase from authorized distributors or suppliers who rigorously test and verify the credentials of original manufacturers and authorized agents.
