LTM4627 - 15A DC/DC μModule Regulator
Features
- Complete 15A Switch Mode Power Supply
- Wide Input Voltage Range: 4.5V to 20V
- 0.6V to 5V Output Range
- ±1.5% Total DC Output Error
- Differential Remote Sense Amplifier for Precision Regulation
- Current Mode Control/ Fast Transient Response
- Frequency Synchronization
- Parallel Current Sharing (Up to 60A)
- Selectable Pulse-Skipping or Burst Mode® Operation
- Soft-Start/Voltage Tracking
- Up to 93% Efficiency (12VIN, 3.3VOUT)
- Overcurrent Foldback Protection
- Output Overvoltage Protection
- Small Surface Mount Footprint, Low Profile
15mm × 15mm × 4.32mm LGA and
15mm × 15mm × 4.92mm BGA Packages
Typical Application
Description
The LTM®4627 is a complete 15A output high efficiency switch mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 4.5V to 20V, the LTM4627 supports an output voltage range of 0.6V to 5V, set by a single external resistor. Only a few input and output capacitors are needed.
Current mode operation allows precision current sharing of up to four LTM4627 regulators to obtain 60A output. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes without sacrificing stability. The device supports frequency synchronization, multiphase/current sharing operation, Burst Mode operation and output voltage tracking for supply rail sequencing.
The LTM4627 is offered in thermally enhanced 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA packages. The LTM4627 is PB-free and RoHS compliant.
Packaging
CAD Symbols and Footprints: The file below contains the schematic symbol and PCB footprint which can be converted for use with most popular CAD tools. Download and install the free Ultra Librarian Reader (72Mb) to convert the .bxl file to the format appropriate for your CAD tool
For complete and up to date package information and drawings, please refer to our packaging page
15mm x 15mm x 4.32mm LGA, 15mm x 15mm x 4.92mm BGA
Order Info
- Part numbers ending in PBF are lead free. Please contact LTC marketing for information on lead based finish parts.
- 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
| Part Number | Package | Pins | Temp | Price (1-99) | Price (1k)* | RoHS Data |
|---|---|---|---|---|---|---|
| LTM4627EV#PBF | LGA | 133 | E | $25.70 | $17.99 | View |
| LTM4627EY#PBF | BGA | 133 | E | $27.36 | $19.15 | View |
| LTM4627IV#PBF | LGA | 133 | I | $28.26 | $19.78 | View |
| LTM4627IY#PBF | BGA | 133 | I | $30.09 | $21.06 | View |
| LTM4627MPY#PBF | BGA | 133 | MP | $54.16 | $37.91 | View |
| Buy Now • Request Samples | ||||||
Demo Boards
Linear Technology demo boards are offered free of charge to qualified customers. Contact your local sales office or distributor to request 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.| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC1668A-A | LTM4627EV Demo Board | 30A Paralleled Polyphase Step-Down Supply (Dual LTM4627) | $75.00 | |
| DC1668A-B | LTM4627EV Demo Board | 40A Paralleled Polyphase Step-Down Supply (Triple LTM4627) | $85.00 | |
| DC1668A-C | LTM4627EV Demo Board | 50A Paralleled Polyphase Step-Down Supply (Quad LTM4627) | $95.00 | |
| DC1669A | LTM4627EV Demo Board | 20V, 15A Step-Down uModule Regulator | $65.00 | |
| Buy Now | |||
Applications
- Telecom Servers and Networking Equipment
- ATCA and Storage Cards
- Industrial Equipment
- Medical Systems
Simulate
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. To download LTspice IV and other FREE simulation tools, please visit our Design Simulation page.
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
To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.
Related models available in LTspice IV
LTM4627
Technical Support
- For immediate technical assistance, contact your local sales office or distributor or call 1-800-4-LINEAR (US customers only) or 408-432-1900.
- For less urgent requests, please complete our Technical Support Request Form. Please allow 2-3 business days for reply.
