LTM4661 (3)

LTM4661 is available from Analog Devices Inc. Inc. at Xecor. Designed for synchronous step-up switching mode regulation, the LTM4661 offers high efficiency, dual-phase operation, and a compact solution in a 6.25mm × 6.25mm × 2.42mm BGA package. Available in a 25-PowerBBGA Module, it is ideal for RF microwave power amplifiers, battery-powered DC motors, and 3.3V bus telecom transceivers. Whether used in industrial, telecommunications, or portable electronics, this series ensures reliable performance, scalability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the LTM4661 series below.

Part Number Description Package Inventory Add To Bom
LTM4661EY#PBF 15V, 4A Step-Up μModule Regulator 25-PowerBBGAModule 8,045
LTM4661IY High-efficiency voltage regulator module for demanding application BGA 6,558
LTM4661IY#PBF High-efficiency boost module with V output and curren BGA 9,905

Key Featrues

Compact Design: The LTM4661 is a complete solution in a compact 6.25mm × 6.25mm × 2.42mm BGA package, making it ideal for space-constrained applications. Its small footprint allows for high-density PCB designs, particularly useful in portable and embedded systems where board space is limited.
Wide Input Voltage Range: With an input voltage range of 1.8V to 5.5V (down to 0.7V after start-up), the LTM4661 offers flexibility in powering a variety of devices, including those with low-voltage batteries. This feature enhances its suitability for battery-powered applications, such as IoT devices and portable electronics.
High Output Current Capability: The LTM4661 can deliver up to 4A of switch current, enabling it to power high-current loads efficiently. This makes it suitable for applications like RF microwave power amplifiers and battery-powered DC motors, where high current delivery is critical.
Dual Phase Operation: The dual-phase architecture of the LTM4661 reduces output ripple voltage and improves transient response to line and load changes. This results in more stable power delivery, which is essential for sensitive electronics and high-performance applications like telecom transceivers.
Advanced Protection Features: The LTM4661 includes output overvoltage, overtemperature, and short-circuit protection, ensuring reliable operation under fault conditions. Additionally, it features inrush current limiting and true output disconnect during shutdown, enhancing system safety and longevity. These protections make it a robust choice for mission-critical applications.

Applications

RF Microwave Power Amplifiers: The LTM4661 is ideal for powering RF microwave power amplifiers due to its high output voltage range (2.5V to 15V) and 4A switch current capability. Its dual-phase operation and fast transient response ensure stable and efficient power delivery, making it suitable for high-frequency communication systems and radar applications.
Battery-Powered DC Motors: The LTM4661 is well-suited for driving battery-powered DC motors in portable devices and robotics. Its wide input voltage range (0.7V to 5.5V) and adjustable output voltage allow it to efficiently step up low battery voltages to the required motor operating voltage, while its compact size and high efficiency make it ideal for space-constrained applications.
3.3V Bus Telecom Transceivers: The LTM4661 is an excellent choice for powering 3.3V bus telecom transceivers in communication infrastructure. Its ability to provide a stable 3.3V output from a wide input voltage range ensures reliable operation in telecom systems, while its output disconnect feature and inrush current limit enhance system safety and longevity.
Portable Medical Devices: The LTM4661 is perfect for portable medical devices requiring precise and efficient power management. Its adjustable output voltage (2.5V to 15V) and high efficiency make it suitable for powering sensors, displays, and other critical components in medical equipment, while its compact BGA package ensures minimal footprint in portable designs.

Popular LTM4661 Products comparison

LTM4661IY vs LTM4661EY#PBF