Key facts
- Brand
- Linear Technology
- Model
- LTM4601
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-06-05
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Linear Technology LTM4601 DC/DC uModule Regulator Thermal Performance Application Note 110
The document analyzes the thermal characteristics of the LTM4601 step-down regulator in a 15mm x 15mm x 2.8mm LGA package, focusing on power dissipation challenges up to 12A continuous loads. It presents a simplified 1-D thermal model to calculate heat paths from the junction through the package and PCB to ambient environments.
Read onlineLinear Technology LTM4601 specifications
| Continuous Load Current | 12A |
|---|---|
| Package Dimensions | 15mm x 15mm x 2.8mm |
| Maximum Junction Temperature | 125°C |
| Case Temperature Limit | 100°C |
Source: Linear Technology LTM4601 DC/DC uModule Regulator Thermal Performance Application Note 110
All Linear Technology LTM4601 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the junction-to-ambient thermal resistance without a heatsink?
The total thermal resistance from junction to ambient in this case is only 14.3°C/W.
From: Linear Technology LTM4601 DC/DC uModule Regulator Thermal Performance Application Note 110
What is the junction-to-ambient thermal resistance with a BGA heatsink?
The total junction-to-ambient thermal resistance for this scenario with a BGA heatsink is about 12°C/W.
From: Linear Technology LTM4601 DC/DC uModule Regulator Thermal Performance Application Note 110
What is the maximum output current of the four parallel LTM4601 regulator systems?
The system delivers a total output current of 48A when four regulators are paralleled.
From: LINEAR AN119B-1 handbook
What is the height profile of each LTM4601 regulator?
Each regulator has a low profile height of only 2.8mm.
From: LINEAR AN119B-1 handbook
What is the output voltage range for the LTM4601?
The design using these DC/DC uModule regulator systems requires only external bulk input and output capacitors and one resistor to set the output from 0.6V to 5V.
From: Linear Technology AN119A LTM4601 DC/DC uModule Regulator Application Note
How much current can four parallel LTM4601 regulators deliver?
A regulator comprising four parallel LTM4601s can produce a 48A (4 x 12A) output.
From: Linear Technology AN119A LTM4601 DC/DC uModule Regulator Application Note