Overview
The LTM4613IY from Analog Devices Inc. is a complete, ultralow noise, 8A switch mode DC/DC power supply. This µModule regulator integrates the switching controller, power FETs, inductor, and all necessary support components into a single package. It operates over an input voltage range of 5V to 36V and supports an output voltage range of 3.3V to 15V, which can be set using a single external resistor. The module is designed for high efficiency and minimal external component requirements, making it a compact and reliable solution for various power supply needs.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 5 | - | 36 | V |
| Output Voltage Range | 3.3 | - | 15 | V |
| Output Current | - | - | 8 | A |
| Switching Frequency | - | 600 | - | kHz |
| Operating Temperature Range | -40 | - | 125 | °C |
| VFB Voltage at VFB Pin | 0.591 | 0.6 | 0.609 | V |
| RUN Pin On/Off Threshold | 1 | 1.5 | 1.9 | V |
Key Features
- Ultralow noise operation
- Integrated switching controller, power FETs, inductor, and support components
- Programmable output voltage from 3.3V to 15V using a single external resistor
- High efficiency with minimal external component requirements
- Current mode control with cycle-by-cycle fast current limiting
- Internal feedback loop compensation for stability and good transient performance
- EN55022B compliant for EMI
- Compact 133-lead LGA package (15mm × 15mm × 4.32mm)
Applications
The LTM4613IY is suitable for a variety of applications requiring high current and low noise DC power supplies, such as:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Telecommunication equipment
- High-performance computing and data storage systems
Q & A
- What is the input voltage range of the LTM4613IY?
The input voltage range is from 5V to 36V. - What is the maximum output current of the LTM4613IY?
The maximum output current is 8A. - How is the output voltage set on the LTM4613IY?
The output voltage is set using a single external resistor. - What is the typical switching frequency of the LTM4613IY?
The typical switching frequency is 600kHz at full load. - Is the LTM4613IY EMI compliant?
Yes, it is EN55022B compliant. - What is the operating temperature range of the LTM4613IY?
The operating temperature range is from -40°C to 125°C. - What type of control does the LTM4613IY use?
The LTM4613IY uses current mode control. - What are the dimensions of the LTM4613IY package?
The package dimensions are 15mm × 15mm × 4.32mm. - Does the LTM4613IY require external capacitors?
Yes, but minimal external input and output capacitors are required. - What are some typical applications for the LTM4613IY?
Typical applications include industrial control systems, medical devices, aerospace and defense systems, telecommunication equipment, and high-performance computing and data storage systems.
