降压稳压器

ETA1801

ETA1801 is a high-efficiency and high-frequency DC-to-DC step-down switching regulator with up to 100V operation input voltage and up to 105V standoff voltage. It is capable of delivering up to 0.6A output current. ETA1801 adopts an adaptive COT control scheme that enables very fast transient response and provides a very smooth transition when the output varies from light load to heavy load. During light load, ETA1801 goes into a PFM mode that saves switching loss achieving high efficiency. The adaptive COT control also maintains a constant switching frequency across line and load.

ETA1801 is available in ESOP8 package.

FEATURES
Wide Input Range: 7V-100V
105V Standoff Input Voltage
Up to 0.6A Output Current
Adaptive COT Control
Ultra-fast Load Transient Response
High Efficiency PFM Mode at Light Load
Internal Power FETs
Thermal Shutdown and UVLO
Available in ESOP8 Package

APPLICATIONS
Non-Isolated Telecommunication Buck Regulator
Secondary High Voltage Post Regulator
Automotive Systems

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