Overview
The LTM4630IY-1A, produced by Analog Devices Inc., is a high-performance, dual 18A or single 36A output step-down µModule (power module) regulator. This device is part of the LTM4630-1 series, known for its high accuracy and robust design. The LTM4630IY-1A offers a total DC output error of ±0.8%, making it highly suitable for applications requiring precise voltage regulation. The module integrates the switching controller, power FETs, inductors, and all supporting components, simplifying the design process for engineers.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Output Continuous Current Range | VIN = 12V, VOUT = 1.5V | 0 | - | 18 A (each output), 36 A (single output) | A |
| Total DC Output Error | Over Line, Load, and Temperature | - | - | ±0.8% | % |
| Line Regulation Accuracy | VOUT = 1.5V, VIN from 4.5V to 15V, IOUT = 0A | - | - | 0.01%/V | %/V |
| Switching Frequency | Programmable | 400 kHz | - | 750 kHz | kHz |
| Minimum On-Time | - | - | - | 90 ns | ns |
| Operating Temperature Range | - | -40°C | - | 125°C | °C |
| Package | - | - | - | 16mm × 16mm × 5.01 BGA | - |
Key Features
- Dual 18A or single 36A output step-down regulator
- ±0.8% total DC output error over line, load, and temperature
- External compensation for fast transient response
- Synchronized multiphase parallel current sharing (up to 144A with four devices)
- Programmable switching frequency from 400kHz to 750kHz
- Integrated switching controller, power FETs, inductors, and supporting components
- Operating temperature range from –40°C to 125°C
Applications
The LTM4630IY-1A is designed for high-current, high-accuracy applications such as powering FPGAs, ASICs, and processors. It is particularly useful in data centers, cloud computing infrastructure, and other high-performance computing environments where reliable and efficient power delivery is critical.
Q & A
- What is the maximum output current of the LTM4630IY-1A? The LTM4630IY-1A can deliver up to 18A per output or 36A in a single output configuration.
- What is the total DC output error of the LTM4630IY-1A? The total DC output error is ±0.8% over line, load, and temperature.
- What is the switching frequency range of the LTM4630IY-1A? The switching frequency is programmable from 400kHz to 750kHz.
- What is the operating temperature range of the LTM4630IY-1A? The operating temperature range is from –40°C to 125°C.
- Can multiple LTM4630IY-1A devices be used in parallel? Yes, up to four devices can be used in parallel to deliver up to 144A.
- What type of package does the LTM4630IY-1A come in? The LTM4630IY-1A comes in a 16mm × 16mm × 5.01 BGA package.
- What are some typical applications for the LTM4630IY-1A? Typical applications include powering FPGAs, ASICs, and processors in data centers and high-performance computing environments.
- Does the LTM4630IY-1A require external components for operation? No, the LTM4630IY-1A integrates all necessary components including the switching controller, power FETs, and inductors.
- How does the LTM4630IY-1A handle transient responses? The LTM4630IY-1A allows for external compensation to achieve fast transient responses, minimizing output capacitance.
- What is the line regulation accuracy of the LTM4630IY-1A? The line regulation accuracy is 0.01%/V.
