The LTC1628CG-PG#TRPBF is a high-performance, PolyPhase synchronous step-down switching regulator controller designed by Linear Technology. This advanced controller is specifically engineered to drive N-channel MOSFETs in a dual phase configuration, which significantly reduces the required input and output capacitance and inductance due to the phase interleaving. This results in a compact, efficient power delivery system ideal for a wide array of applications.

Key Features

• High Efficiency: Capable of converting input voltages ranging from 4.5V to 36V into a lower, regulated output voltage with high efficiency, making it suitable for a variety of input sources.
• PolyPhase Operation: Its PolyPhase operation allows multiple LTC1628CG-PG#TRPBF controllers to be connected in parallel, further reducing input and output ripple and improving thermal management.
• Power Good Output: The integrated Power Good output indicates when the output voltage is within ±10% of the regulated voltage, providing a reliable status signal for system monitoring.
• Versatile Applications: Its robust design and versatile capabilities make it an excellent choice for high-power density applications such as telecommunications, data communications, computing systems, and industrial equipment.

Technical Specifications

• Output Voltage Range: The LTC1628CG-PG#TRPBF supports a wide range of output voltages, which can be set with external resistors.
• Current Mode Control: Offers excellent line and load transient response with its current mode control design.
• Adjustable Operating Frequency: The switching frequency is programmable from 100kHz to 500kHz, or it can be synchronized to an external clock.
• Protection Features: Includes overcurrent protection and soft-start capability to ensure safe operation under abnormal conditions.

Package and Availability

The LTC1628CG-PG#TRPBF is available in a 36-lead SSOP package, providing a compact footprint for space-constrained applications. It is designed for extended industrial temperature ranges, ensuring reliable performance in demanding environments. The part number also includes a tape and reel packaging option (denoted by the #TRPBF suffix) for ease of manufacturing and assembly in high-volume production.