描述
New Original LTC7878AUH#TRPBF LTC7878AUH LTC7878 Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC
LTC7878AUH#TRPBF Product Overview
Manufacturer: ADI (Analog Devices Inc.), a globally renowned semiconductor supplier with RoHS3-compliant products.
Product Type: High-performance four-switch synchronous buck-boost controller, categorized as a DC-DC power management IC. It features a 32-pin QFN (5x5mm) package with surface-mount technology (SMT) support.
Key Features:
Wide Voltage Range: Input voltage 5V to 70V, output voltage 1V to 70V with ±1% accuracy, ideal for applications with large input/output voltage spans.
High-Efficiency Synchronous Rectification: Up to 98% efficiency, supporting buck, boost, and buck-boost modes with seamless, low-noise transitions.
Flexible Control Architecture: Peak current mode control with programmable switching frequency (100kHz to 600kHz, lockable), input/output current regulation, and compatibility with battery charging applications.
Multi-Phase Parallel Capability: Supports multi-chip parallel operation for high-power requirements (e.g., 48V 46A high-power scenarios), expanding system power capacity.
Intelligent Functions: Built-in 7V N-channel gate drivers, smart EXTVCC auxiliary power, programmable inductor peak current limiting, and PGOOD pin (indicates output voltage within ±10% range).
Operating Modes: Optional forced continuous mode (FCM) or pulse-skipping mode to suit varying load requirements.
Operating Temperature: -40°C to +125°C, suitable for harsh industrial and telecom environments.
Applications:
Industrial Systems: Distributed DC power supplies, motor control, industrial automation equipment.
Telecom Systems: Base station power supplies, network equipment power modules.
Battery Systems: Battery charging management, energy storage systems, portable device power supplies.
High-Power Scenarios: Server power supplies, electric vehicle auxiliary power, solar inverters.
This product is an ideal power management solution for industrial, telecom, and high-power applications, leveraging its wide voltage range, high efficiency, multi-phase parallel capability, and robust environmental adaptability.
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