LTM4608A
PRODUCTIONLow VIN, 8A DC/DC μModule (Power Module) Regulator with Tracking, Margining, and Frequency Synchronization
- Part Models
- 7
- 1ku List Price
- Starting From $16.83
Overview
- Complete Standalone Power Supply
- ±1.75% Total DC Output Error (–55°C to 125°C)
- 2.7V to 5.5V Input Voltage Range
- 8A DC, 10A Peak Output Current
- 0.6V Up to 5V Output
- Output Voltage Tracking and Margining
- Power Good Tracks Margining
- Multiphase Operation
- Parallel Current Sharing
- On-board Frequency Synchronization
- Spread Spectrum Frequency Modulation
- Overcurrent/Thermal Shutdown Protection
- Current Mode Control/Fast Transient Response
- Selectable Burst Mode® Operation
- Up to 95% Efficiency
- Output Overvoltage Protection
- 9mm × 15mm × 2.82mm LGA and 9mm × 15mm × 3.42mm BGA Packages
The LTM4608A is a complete 8A switch mode DC/DC power supply with ±1.75% total output voltage error. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage range of 2.7V to 5.5V, the LTM4608A supports an output voltage range of 0.6V to 5V, set by a single external resistor. This high efficiency design delivers up to 8A continuous current (10A peak). Only bulk input and output capacitors are needed to complete the design.
The low profile package (2.82mm) enables utilization of unused space on the back side of PC boards for high density point-of-load regulation. The 0.630mm LGA pads with 1.27mm pitch simplify PCB layout by providing standard trace routing and via placement. The high switching frequency and current mode architecture enable a very fast transient response to line and load changes without sacrificing stability. The device supports frequency synchronization, programmable multiphase and/or spread spectrum operation, output voltage tracking for supply rail sequencing and voltage margining.
Fault protection features include overvoltage protection, overcurrent protection and thermal shutdown. The LTM4608A is offered in 9mm × 15mm × 2.82mm LGA and 9mm × 15mm × 3.42mm BGA packages. The LTM4608A is available with SnPb (BGA) or RoHS compliant terminal finish.
| Notes | |
| LTM4608 | - |
| LTM4608A | Smaller pad sizes provide more distance between adjacent pads therefore there is less chance of solder paste or solder spreading outside the pad area |
Applications
- Telecom, Networking and Industrial Equipment
- Storage Systems
- Point of Load Regulation
Documentation
Data Sheet 1
User Guide 1
Technical Articles 1
Power Reference Designs 1
Product Selector Card 2
Brochure 1
Webcast 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTM4608AEV#PBF | 68-Lead LGA (15mm x 9mm x 2.82mm) | ||
| LTM4608AEY#PBF | 68-Lead LGA (15mm x 9mm x 2.82mm) | ||
| LTM4608AIV#PBF | 68-Lead LGA (15mm x 9mm x 2.82mm) | ||
| LTM4608AIY#PBF | 68-Lead LGA (15mm x 9mm x 2.82mm) | ||
| LTM4608AMPV#PBF | 68-Lead LGA (15mm x 9mm x 2.82mm) | ||
| LTM4608AMPY | 68-Lead BGA (15mm x 9mm x 3.42mm) | ||
| LTM4608AMPY#PBF | 68-Lead BGA (15mm x 9mm x 3.42mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 21, 2021 - 21_0159 Ink Mark to Laser Mark Conversion for µModule |
||
| LTM4608AEV#PBF | PRODUCTION | |
| LTM4608AEY#PBF | PRODUCTION | |
| LTM4608AIV#PBF | PRODUCTION | |
| LTM4608AIY#PBF | PRODUCTION | |
| LTM4608AMPV#PBF | PRODUCTION | |
| LTM4608AMPY | PRODUCTION | |
| LTM4608AMPY#PBF | PRODUCTION | |
|
Feb 28, 2020 - 20_0123 Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia |
||
| LTM4608AEV#PBF | PRODUCTION | |
| LTM4608AEY#PBF | PRODUCTION | |
| LTM4608AIV#PBF | PRODUCTION | |
| LTM4608AIY#PBF | PRODUCTION | |
| LTM4608AMPV#PBF | PRODUCTION | |
| LTM4608AMPY | PRODUCTION | |
| LTM4608AMPY#PBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Oscillators 1 | ||
| LTC6908 | Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation | |
| Overvoltage & Overcurrent Protectors 1 | ||
| LTC4365 | RECOMMENDED FOR NEW DESIGNS | Overvoltage, Undervoltage and Reverse Supply Protection Controller |
| Power System Management (PSM) & Sequencers 1 | ||
| LTC2974 | RECOMMENDED FOR NEW DESIGNS | 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement |
| Switching Regulators & Controllers 2 | ||
| LTM4616 | RECOMMENDED FOR NEW DESIGNS | Dual 8A per Channel Low VIN DC/DC μModule (Power Module) Regulator |
| LTC3880 | RECOMMENDED FOR NEW DESIGNS | Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management |
Tools & Simulations
LTspice 1
Models for the following parts are available in LTspice:
- LTM4608
- LTM4608A
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
LTM4608AEV Demo Board | 2.7 VIN Minimum, 8A DC/DC µModule Regulator
Resources
Reference Designs
Altera FPGA