Summary of LTM8053 – 40VIN, 3.5A/6A Step-Down Module Regulator
The LTM8053 is a compact 40V, 3.5A step-down μModule regulator featuring an integrated switching controller, power switches, inductor, and support components. It offers wide input/output voltage ranges, selectable frequencies, and parallel capabilities for high-density point-of-load applications in automotive and industrial settings.
Parts used in the LTM8053 Project:
- Switching controller
- Power switches
- Inductor
- Support components
- Input filter capacitors
- Output filter capacitors
- BGA package
Features
- Complete Step-Down Switch Mode Power Supply
- Wide Input Voltage Range: 3.4V to 40V
- Wide Output Voltage Range: 0.97V to 15V
- 3.5A Continuous Output Current, 6A Peak
- Parallelable for Increased Output Current
- Selectable Switching Frequency: 200kHz to 3MHz
- External Synchronization
- Programmable Soft-Start
- Tiny, Low Profile 6.25mm × 9mm × 3.32mm RoHS Compliant BGA Package
Description
The LTM®8053 is a 40VIN, 3.5A (continuous) step-down μModule® (power module) regulator. Included in the package are the switching controller, power switches, inductor, and all support components. Operating over an input voltage range of 3.4V to 40V, the LTM8053 supports an output voltage range of 0.97V to 15V and a switching frequency range of 200kHz to 3MHz, each set by a single resistor. Only the input and output filter capacitors are needed to finish the design.
The low profile package enables utilization of unused space on the bottom of PC boards for high density point of load regulation. The LTM8053 is packaged in a thermally enhanced, compact over-molded ball grid array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM8053 is RoHS compliant.
Applications
- Automotive Battery Regulation
- Power for Portable Products
- Distributed Supply Regulation
- Industrial Supplies
- Wall Transformer Regulation
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For more detail: LTM8053 – 40VIN, 3.5A/6A Step-Down μModule Regulator
- What is the maximum input voltage range?
The device operates over an input voltage range of 3.4V to 40V. - How can the output current be increased?
The units are parallelable for increased output current. - Does the switching frequency require multiple resistors?
No, the switching frequency range is set by a single resistor. - What external components are needed to finish the design?
Only the input and output filter capacitors are needed to finish the design. - Can the soft-start feature be programmed?
Yes, the device features programmable soft-start. - Is the package suitable for automated assembly?
Yes, it is packaged in a BGA package suitable for automated assembly by standard surface mount equipment. - What are some common applications for this regulator?
Common applications include automotive battery regulation, power for portable products, and distributed supply regulation. - Is the component RoHS compliant?
Yes, the LTM8053 is RoHS compliant.
