Overview
The LTM8073EY#PBF is a high-efficiency, step-down DC/DC µModule regulator designed by Analog Devices Inc. This device is part of the Silent Switcher family, known for its low noise operation. The LTM8073 is a complete step-down switch mode power supply integrated into a single package, including the switching controller, power switches, inductor, and all support components. It operates over a wide input voltage range of 3.4V to 60V and supports an output voltage range of 0.8V to 15V. The regulator can deliver a continuous output current of 3A and a peak current of up to 5A.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Input Voltage Range | 3.4V to 60V | |
| Output Voltage Range | 0.8V to 15V | |
| Continuous Output Current | 3A | |
| Peak Output Current | Up to 5A | |
| Switching Frequency | 200kHz to 3MHz (selectable) | |
| Package Type | 6.25mm × 9mm × 3.32mm BGA | |
| Operating Temperature Range | –40°C to 125°C | |
| Maximum Internal Temperature | 125°C | |
| Load Regulation | 0.5% (0.1A < IOUT < 3A) | |
| Output Voltage Ripple | 10 mV (IOUT = 3A) |
Key Features
- Low Noise Silent Switcher Architecture: Minimizes EMI and noise, making it suitable for noise-sensitive applications.
- Wide Input and Output Voltage Ranges: Supports input voltages from 3.4V to 60V and output voltages from 0.8V to 15V.
- High Efficiency: Efficient operation across various input and output conditions.
- Programmable Soft-Start: Allows for controlled startup to prevent inrush current issues.
- Parallelable for Increased Output Current: Can be paralleled to increase the total output current.
- Overtemperature Protection: Protects the device during momentary overload conditions.
Applications
- Power for Portable Products: Suitable for powering portable devices due to its high efficiency and compact design.
- Distributed Supply Regulation: Can be used in distributed power systems to regulate voltage at various points.
- Industrial Supplies: Applicable in industrial environments where reliable and efficient power supply is crucial.
- Wall Transformer Regulation: Can be used to regulate output from wall transformers, ensuring stable voltage supply.
Q & A
- What is the input voltage range of the LTM8073?
The input voltage range of the LTM8073 is from 3.4V to 60V.
- What is the maximum continuous output current of the LTM8073?
The maximum continuous output current is 3A, with a peak current of up to 5A.
- What is the switching frequency range of the LTM8073?
The switching frequency is selectable from 200kHz to 3MHz.
- Does the LTM8073 have overtemperature protection?
Yes, the LTM8073 includes overtemperature protection to safeguard the device during momentary overload conditions.
- Can the LTM8073 be paralleled to increase output current?
Yes, the LTM8073 can be paralleled to increase the total output current.
- What is the package type and dimensions of the LTM8073?
The LTM8073 comes in a 6.25mm × 9mm × 3.32mm BGA package.
- What is the operating temperature range of the LTM8073?
The operating temperature range is –40°C to 125°C.
- What are some typical applications of the LTM8073?
Typical applications include power for portable products, distributed supply regulation, industrial supplies, and wall transformer regulation.
- Does the LTM8073 have programmable soft-start?
Yes, the LTM8073 features programmable soft-start to control startup and prevent inrush current issues.
- What is the load regulation of the LTM8073?
The load regulation is 0.5% for output currents between 0.1A and 3A.
