LTM4604A
PRODUCTIONLow Voltage, 4A DC/DC μModule (Power Module) Regulator with Tracking
- Part Models
- 5
- 1ku List Price
- Starting From $12.65
Overview
- Complete Standalone Power Supply
- ±1.75% Max Total DC Output Error (–40°C to 125°C)
- Wide Input Voltage Range: 2.375V to 5.5V
- 4A DC, 5A Peak Output Current
- 0.8V to 5V Output
- Output Voltage Tracking
- UltraFastTM Transient Response
- Power Good Indicator
- Current Mode Control
- Current Foldback Protection, Parallel/Current Sharing
- Up to 95% Efficiency
- Programmable Soft-Start
- Micropower Shutdown: IQ ≤ 7μA
- Overtemperature Protection
- 9mm × 15mm × 2.32mm LGA and
9mm × 15mm × 3.42mm BGA Packages
The LTM4604A is a complete 4A switch mode step-down μModule® (power module) regulator with ±1.75% maximum 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 2.375V to 5.5V, the LTM4604A supports an output voltage range of 0.8V to 5V, set by a single resistor. This high efficiency design delivers up to 4A continuous current (5A peak). Only input and output capacitors are needed to complete the design.
The 0.630mm LGA pads with 1.27mm pitch simplify PCB layout by providing standard trace routing and via placement. (The LTM4604A has smaller pads than the LTM4604). The low profile package enables utilization of unused space on the bottom of PC boards for high density point of load regulation. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes without sacrificing stability.
Fault protection features include foldback current protection, thermal shutdown and a programmable soft-start function. The LTM4604A is offered with SnPb (BGA) or RoHS-compliant terminal finish.
| Notes | |
| LTM4604 | - |
| LTM4604A | 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 and Networking Equipment
- Servers
- Storage Cards
- ATCA Cards
- Industrial Equipment
Documentation
Data Sheet 1
User Guide 1
Brochure 1
Product Selector Card 2
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 |
|---|---|---|---|
| LTM4604AEV#PBF | 66-Lead LGA (15mm x 9mm x 2.32mm) | ||
| LTM4604AEY#PBF | 66-Lead BGA (15mm x 9mm x 3.42mm) | ||
| LTM4604AIV#PBF | 66-Lead LGA (15mm x 9mm x 2.32mm) | ||
| LTM4604AIY | 66-Lead BGA (15mm x 9mm x 3.42mm) | ||
| LTM4604AIY#PBF | 66-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 |
||
| LTM4604AEV#PBF | PRODUCTION | |
| LTM4604AEY#PBF | PRODUCTION | |
| LTM4604AIV#PBF | PRODUCTION | |
| LTM4604AIY | PRODUCTION | |
| LTM4604AIY#PBF | PRODUCTION | |
|
Feb 8, 2021 - 21_0007 Moisture Sensitivity Level Rating Downgrade for LTM4604, LTM4604A to MSL4 |
||
| LTM4604AEV#PBF | PRODUCTION | |
| LTM4604AEY#PBF | PRODUCTION | |
| LTM4604AIV#PBF | PRODUCTION | |
| LTM4604AIY | PRODUCTION | |
| LTM4604AIY#PBF | PRODUCTION | |
|
Feb 28, 2020 - 20_0123 Micro-Module, Test Site Transfer from Analog Devices Singapore to Analog Devices Penang, Malaysia |
||
| LTM4604AEV#PBF | PRODUCTION | |
| LTM4604AEY#PBF | PRODUCTION | |
| LTM4604AIV#PBF | PRODUCTION | |
| LTM4604AIY | PRODUCTION | |
| LTM4604AIY#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 |
|---|---|---|
| Ideal Diodes and PowerPath Controllers 1 | ||
| LTC4370 | RECOMMENDED FOR NEW DESIGNS | Two-Supply Diode-OR Current Balancing 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 | ||
| LTC3880 | RECOMMENDED FOR NEW DESIGNS | Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management |
| LTM4624 | RECOMMENDED FOR NEW DESIGNS | 14VIN, 4A Step-Down DC/DC μModule (Power Module) Regulator |
Tools & Simulations
LTspice 2
- LTM4604A Demo Circuit - 4A, Step-Down µModule (5V to 2.5V @ 4A)
- LTM4604A Demo Circuit - Low Voltage, 4A DC/DC µModule with Tracking (2.4-5.5V to 1.1V @ 4A)
Models for the following parts are available in LTspice:
- LTM4604
- LTM4604A
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
LTM4604AEV Demo Board | 2.375 ≤ VIN ≤ 5.5V, VOUT = 1.2V/1.5V/1.8V/2.5V/3.3V @ 4A
Resources
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