Overview
The LTM8049EY#PBF, produced by Analog Devices Inc., is a Dual SEPIC/Inverting µModule (power module) DC/DC Converter. This module integrates power devices, inductors, control circuitry, and passive components, making it a comprehensive solution for various power conversion needs. The LTM8049 allows each of its two outputs to be easily configured as either a SEPIC or an inverting converter by simply grounding the appropriate output rail. This flexibility and the compact, thermally enhanced BGA package make it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7V to 20V | V |
| Output Voltage Range (VOUT1, VOUT2) | -25V to 25V | V |
| Output Current | Up to 1.5A per channel | A |
| Switching Frequency | Up to 1MHz (adjustable) | Hz |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | Thermally Enhanced BGA (77 balls) | - |
| Package Dimensions | 15mm x 9mm | mm |
| Maximum Internal Temperature | 125°C | °C |
| Maximum Solder Temperature | 260°C | °C |
Key Features
- Dual SEPIC or Inverting converter configuration for each output.
- Integrated power devices, inductors, control circuitry, and passive components.
- Adjustable switching frequency up to 1MHz.
- Frequency foldback for fault protection and current limiting during start-up.
- Soft-start and undervoltage lockout capabilities.
- Compact, thermally enhanced BGA package suitable for automated assembly.
- RoHS compliant and SnPb (63/37) terminal finish options.
Applications
- Point of Load (PoL) power conversion in various electronic systems.
- Industrial control systems and automation.
- Medical devices requiring high reliability and compact power solutions.
- Aerospace and defense applications where space and thermal management are critical.
- Telecommunications and networking equipment.
Q & A
- What is the LTM8049EY#PBF?
The LTM8049EY#PBF is a Dual SEPIC/Inverting µModule DC/DC Converter produced by Analog Devices Inc.
- What are the input and output voltage ranges of the LTM8049EY#PBF?
The input voltage range is 2.7V to 20V, and the output voltage range is -25V to 25V.
- How is the switching frequency adjusted on the LTM8049EY#PBF?
The switching frequency can be adjusted up to 1MHz using external resistors.
- What protection features does the LTM8049EY#PBF have?
The module features frequency foldback for fault protection and current limiting during start-up, as well as soft-start and undervoltage lockout capabilities.
- What is the operating temperature range of the LTM8049EY#PBF?
The operating temperature range is -40°C to 125°C.
- What package type and dimensions does the LTM8049EY#PBF come in?
The module is packaged in a thermally enhanced BGA (77 balls) with dimensions of 15mm x 9mm.
- Is the LTM8049EY#PBF RoHS compliant?
- What are some typical applications of the LTM8049EY#PBF?
Typical applications include Point of Load (PoL) power conversion, industrial control systems, medical devices, aerospace and defense, and telecommunications equipment.
- How do I configure the outputs of the LTM8049EY#PBF as SEPIC or inverting converters?
Each output can be configured as a SEPIC or inverting converter by grounding the appropriate output rail and using specific resistor configurations for feedback.
- What additional components are needed to complete the design with the LTM8049EY#PBF?
Additional components needed include input and output capacitors, small resistors to set the output voltages and switching frequency, and optional components for soft-start and undervoltage lockout.
