LTM4601AHV - 12A, 28VIN DC/DC µModule Regualtor with PLL, Output Tracking and Margining
Features
- Complete Switch Mode Power Supply
- Wide Input Voltage Range: 4.5V to 28V
- 12A DC Typical, 14A Peak Output Current
- 0.6V to 5V Output Voltage
- Output Voltage Tracking and Margining
- Redundant Mounting Pads for Enhanced Solder-Joint Strength
- Parallel Multiple μModule® Regulators for Current Sharing
- Differential Remote Sensing for Precision Regulation
- PLL Frequency Synchronization
- ±1.5% Total DC Error
- Current Foldback Protection (Disabled at Start-Up)
- Pb-Free RoHS Compliant Package Gold Finish LGA (e4) or SAC 305 BGA (e1)
- –55°C to 125°C Operating Temperature Range (LTM4601AHVMPV)
- Ultrafast™ Transient Response
- Up to 95% Efficiency at 5VIN, 3.3VOUT
- Programmable Soft-Start
- Output Overvoltage Protection
- Enhanced (15mm × 15mm × 2.82mm) Surface Mount LGA and (15mm × 15mm × 3.42mm) BGA Packages
Typical Application
Description
The LTM®4601AHV is a complete 12A step-down switch mode DC/DC power supply with onboard switching controller, MOSFETs, inductor and all support components. The μModule regulator is housed in a small surface mount 15mm × 15mm × 2.82mm LGA or 15mm × 15mm × 3.42mm BGA package. The LTM4601AHV LGA and BGA packages are designed with redundant mounting pads to enhance solder-joint strength for extended temperature cycling endurance. Operating over an input voltage range of 4.5V to 28V, the LTM4601AHV supports an output voltage range of 0.6V to 5V as well as output voltage tracking and margining. The high efficiency design delivers 12A continuous current (14A peak). Only bulk input and output capacitors are needed to complete the design.
The low profile and light weight package easily mounts in unused space on the back side of PC boards for high density point of load regulation. The μModule regulator can be synchronized with an external clock for reducing undesirable frequency harmonics and allows PolyPhase® operation for high load currents.
An onboard differential remote sense amplifier can be used to accurately regulate an output voltage independent of load current.
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
- LTM4601AHVEV Symbol and Footprint
- LTM4601AHVIV Symbol and Footprint
- LTM4601AHVMPV Symbol and Footprint
For complete and up to date package information and drawings, please refer to our packaging page
15mm x 15mm x 2.8mm LGA, 15mm x 15mm x 3.42mm 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 |
|---|---|---|---|---|---|---|
| LTM4601AEV#PBF | LGA | 133 | E | $24.07 | $16.85 | View |
| LTM4601AEV-1#PBF | LGA | 133 | E | $23.43 | $16.40 | View |
| LTM4601AEY#PBF | BGA | 133 | E | $25.73 | $18.01 | View |
| LTM4601AHVEV#PBF | LGA | 133 | E | $29.14 | $20.40 | View |
| LTM4601AHVEY#PBF | BGA | 133 | E | $30.80 | $21.56 | View |
| LTM4601AHVIV#PBF | LGA | 133 | I | $32.06 | $22.44 | View |
| LTM4601AHVIY#PBF | BGA | 133 | I | $33.87 | $23.71 | View |
| LTM4601AHVMPV#PBF | LGA | 133 | MP | $57.50 | $40.25 | View |
| LTM4601AHVMPY#PBF | BGA | 133 | MP | $59.16 | $41.41 | View |
| LTM4601AIV#PBF | LGA | 133 | I | $26.49 | $18.54 | View |
| LTM4601AIV-1#PBF | LGA | 133 | I | $25.77 | $18.04 | View |
| LTM4601AIY#PBF | BGA | 133 | I | $28.30 | $19.81 | View |
| LTM4601EV#PBF | LGA | 118 | E | $25.05 | $16.50 | View |
| LTM4601EV-1#PBF | LGA | 118 | E | $24.21 | $15.95 | View |
| LTM4601EY#PBF | BGA | 118 | E | $26.87 | $17.70 | View |
| LTM4601HVEV#PBF | LGA | 118 | E | $30.56 | $20.15 | View |
| LTM4601HVIV#PBF | LGA | 118 | I | $33.65 | $22.17 | View |
| LTM4601IV#PBF | LGA | 118 | I | $27.55 | $18.15 | View |
| LTM4601IV-1#PBF | LGA | 118 | I | $26.64 | $17.55 | View |
| LTM4601IY#PBF | BGA | 118 | I | $29.28 | $19.29 | View |
| Buy Now • Request Samples | ||||||
Demo Boards
Linear 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.| Part Number | Description | Price | Documentation |
|---|---|---|---|
| DC1414B-B | LTM4601AHVEV DEMO BOARD | 28V, 12A DC/DC uModule R | $65.00 | |
| Buy Now | |||
Applications
- Telecom, Industrial and Networking Equipment
- Military and Avionics Systems
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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.
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To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.
Related models available in LTspice IV
LTM4601-1
LTM4601
LTM4601A-1
LTM4601A
LTM4601AHV
LTM4601HV
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.

