Overview
The LTM8055IY#PBF from Analog Devices Inc. is a high-performance, 36V input, buck-boost µModule (micromodule) regulator. This device integrates the switching controller, power switches, inductor, and support components into a single package. It operates over an input voltage range of 5V to 36V and can deliver up to 8.5A of output current. The LTM8055IY#PBF is designed for ease of use, requiring only a few external components such as a resistor to set the switching frequency, a resistor divider to set the output voltage, and input and output capacitors to complete the design.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Minimum Input Voltage (VIN) | 5.0 | - | - | V |
| Output DC Voltage (VOUT) | 1.2 | - | 36 | V |
| Output DC Current (IOUT) | - | - | 8.5 | A |
| Quiescent Current (IQ) | 0.1 | - | 100 | µA/mA |
| Output Voltage Line Regulation | - | - | 0.5% | % |
| Output Voltage Load Regulation | - | - | 0.5% | % |
| Switching Frequency | 100 | - | 800 | kHz |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | BGA-121 | - |
Key Features
- Integrated switching controller, power switches, inductor, and support components.
- Operates over an input voltage range of 5V to 36V.
- Delivers up to 8.5A of output current.
- High efficiency across a wide range of input and output voltages.
- Input and output average current regulation with minimal external components.
- Overtemperature protection to ensure device reliability.
- Compact BGA-121 package.
Applications
The LTM8055IY#PBF is suitable for a variety of applications requiring high-efficiency power conversion, including but not limited to:
- Industrial power systems
- Aerospace and defense systems
- Automotive systems
- Medical devices
- Telecommunications equipment
Q & A
- What is the input voltage range of the LTM8055IY#PBF? The input voltage range is from 5V to 36V.
- What is the maximum output current of the LTM8055IY#PBF? The maximum output current is 8.5A.
- What type of package does the LTM8055IY#PBF come in? It comes in a BGA-121 package.
- Does the LTM8055IY#PBF have overtemperature protection? Yes, it includes overtemperature protection to protect the device during momentary overload conditions.
- What is the operating temperature range of the LTM8055IY#PBF? The operating temperature range is from -40°C to 125°C.
- How do I set the output voltage of the LTM8055IY#PBF? The output voltage can be set using a resistor divider.
- What is the typical efficiency of the LTM8055IY#PBF? The efficiency is high across a wide range of input and output voltages, but specific values depend on the operating conditions.
- Does the LTM8055IY#PBF support input and output average current regulation? Yes, it supports input and output average current regulation with minimal external components.
- What are the key components included in the LTM8055IY#PBF package? The package includes the switching controller, power switches, inductor, and support components.
- How do I ensure good thermal performance of the LTM8055IY#PBF? Good thermal performance can be achieved by ensuring proper PCB layout and thermal design, as most of the heat flow is through the GND pins.
