September 11, 2018 Mouser Electronics, Inc., the industry’s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, announced to stock the Power by Linear LTM46xx μModule power products from Analog Devices, a series of Point-of-Load (POL) regulators designed to reduce solution size and deliver reliable power circuit performance. The LTM46xx μModule regulators support step-down (buck), step-up (boost), and step-down and step-up (buck-boost) conversion with a wide array of function and feature combinations.
The ultra-thin package technology of LTM46xx μModule offers lots of advantages for design, such as placement on the PCB backside or share the heatsink with other micro controller ICs or ASICs. The benefits of using LTM46xx μModule regulators include reduced development time and saved board space for other functional circuitries.
The LTM μModule can be placed on the backside of the PCB which has only 2mm allowance.
The thin LTM μModule can be easily placed underneath the same heatsink shared with other chips on the board.
The Analog Devices LTM46xx μModule Regulators are available in various BGA and LGA ultra-thin packages with small thicknesses down to only 1.82mm or 1.91mm, the same height as of a 1206 chip capacitor.
The LGA and BGA packages have the universal pad layout that simplifies PCB design and assembly.
LTM46xx μModule regulators are highly integrated system-in-package (SiP) power management solutions that integrate a DC-DC controller, inductors, compensation components, power transistors, and input and output capacitors in one package, which reduces the time the designers must spend on circuit design, component selection, layout CAD. Integrating all those components in one package greatly reduces potential failure modes due to interconnections and component interactions. The device offers control and monitor functions including temperature monitoring, current monitoring, and output voltage monitoring, sequencing, and margining. Offering efficient power system management, the μModule regulators increase reliability by delivering controlled voltage accuracy, fault reporting and logging, and remote debugging.
LTM46xx series of μModule regulators comprises 100 products in 15 product families with 22 package options. One of the options is the ultralow noise regulators that meet EN55022 (modified CISPR22) class B and CISPR 25 Class 5 requirements for EMC. Another option is the buck-boost regulators that operate from higher input voltage and feature integrated magnetics. There is also an option of ultrathin package that can fit on the back of the PCB or next to an ASIC or FPGA sharing the same cold plate or heat sink. The product families also provide multiple output devices, such as two, three, four or five outputs, allowing current sharing of outputs to increase load current and ON/OFF or sequencing of each output. The Tune-a-μModule option provides access to the internal compensation network to optimize the regulator for high output accuracy, fast transient response, or minimal output capacitance.
The LTM46xx μModule regulators offer so many advantages to power circuit designers in saving board real estate, reducing development cost and simplifying design validations.
The traditional LTC3605 4A Monolithic Regulator requires external inductors and occupies a 15 mm x 15 mm area. In contrast, the new LTM4644 4A Quad μModule regulator requires only capacitors and occupies a 12 mm x 20 mm area for 4 x 4A outputs. Using the LTM4644 μModule would save up to 73% board area. Moreover, LTM4644 Quad μModule offers flexibility of configuring the 4 outputs to be single, dual, triple or quad output.