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LTM4624 - 14VIN, 4A Step-Down DC/DC μModule (Power Module) Regulator
- Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB)
- Wide Input Voltage Range: 4V to 14V
- Input Voltage Down to 2.375V with External Bias
- 0.6V to 5.5V Output Voltage
- 4A DC, 5A Peak Output Current
- ±2% Total DC Output Voltage Error
- Current Mode Control, Fast Transient Response
- Output Voltage Tracking
- Selectable Discontinuous Mode
- Power Good Indicator
- Overvoltage, Overcurrent and Overtemperature Protection
- 6.25mm × 6.25mm × 5.01mm BGA Package
The LTM®4624 is a complete 4A step-down switching mode μModule® (power module) regulator in a tiny 6.25mm × 6.25mm × 5.01mm BGA package. Included in the package are the switching controller, power FETs, inductor and support components. Operating over an input voltage range of 4V to 14V or 2.375V to 14V with an external bias supply, the LTM4624 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Its high efficiency design delivers 4A continuous, 5A peak, output current. Only bulk input and output capacitors are needed.
The LTM4624 supports selectable discontinuous mode operation and output voltage tracking for supply rail sequencing. Its high switching frequency and current mode control enable a very fast transient response to line and load changes without sacrificing stability.
Fault protection features include overvoltage, overcurrent and overtemperature protection.
The LTM4624 is available with SnPb (BGA) or RoHS compliant terminal finish.
CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprint compatible with Mentor Graphics PADS® v9.5 or later, and Cadence ORCAD® v16.5 or later.
For complete and up to date package information and drawings, please refer to our packaging page
|LTM4624EY#PBF||6.25mm x 6.25mm x 5.01mm BGA||BGA||E||05-08-1905||RoHS|
|LTM4624IY||6.25mm x 6.25mm x 5.01mm BGA||BGA||I||05-08-1905||RoHS|
|LTM4624IY#PBF||6.25mm x 6.25mm x 5.01mm BGA||BGA||I||05-08-1905||RoHS|
- Part numbers ending in PBF are lead free. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information.
- Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively
- Please refer to our general ordering information or the product datasheet for more details
Package Variations and Pricing
|LTM4624EY#PBF||6.25mm x 6.25mm x 5.01mm BGA||E||$8.50||$5.95||Yes|
|LTM4624IY||6.25mm x 6.25mm x 5.01mm BGA||I||$12.20||$8.55||No|
|LTM4624IY#PBF||6.25mm x 6.25mm x 5.01mm BGA||I||$9.36||$6.55||Yes|
|Buy Now • Request Samples|
Demo BoardsLinear Technology offers many demo boards free of charge to qualified customers. Contact your local sales office or distributor to inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.
|DC1889A||LTM4624Y Demo Board | Buck μModule, 4V ≤ VIN ≤ 14V, Vout = 0.6V to 5V @ 4A||$65.00|
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- Test and Debug Systems
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The LTpowerCAD II design tool is a complete power supply design tool program that can significantly ease the tasks of power supply design. It guides users to a solution, selects power stage components, provides detailed power efficiency, shows quick loop bode plot stability and load transient analysis, and can export a final design to LTspice for simulation. Click here to download LTpowerCAD
To open the project file for this circuit:
- Step 1: If you have not installed LTpowerCAD on this computer, download and install LTpowerCAD
- Step 2: Once LTpowerCAD is installed, click on the link(s) below to open the project file
- Step 3: IIf LTpowerCAD does not automatically open after clicking the link above, you can open the project file by right clicking on the link and selecting "Save Target As". After saving the file to your computer, start LTpowerCAD and open the project file by selecting 'Open Project' from the 'File' menu
Design tools for the following parts are available in LTpowerCAD:
LTspice® IV is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice IV
To launch a ready to run LTspice demonstration circuit for this part:
- Step 1: If you have not installed LTspice on this computer, download and install LTspice IV
- Step 2: Once LTspice is installed, click on the link(s) below to launch the simulation
- Step 3: If LTspice IV does not automatically open after clicking the link above, you can instead run the simulation by right clicking on the link and selecting "Save Target As." After saving the file to your computer, start LTspice and open the demonstration circuit by selecting 'Open' from the 'File' menu
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