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DC-DC降压
产品名称：RY81020 100V 2A Async Step-Down Converter
型号： RY81020
产片介绍：General DescriptionThe RY81020 is a monolithic IC designed for step-down DC DC converters, featuring low EMI, the ability to drive2A continuous current, and exce
产片介绍：General DescriptionThe RY81020 is a monolithic IC designed for step-down DC DC converters, featuring low EMI, the ability to drive2A continuous current, and exce
┄┄┄详细介绍┄┄┄
General Description
The RY81020 is a monolithic IC designed for step-down DC/DC converters, featuring low EMI, the ability to drive
2A continuous current, and excellent load and line regulation. The RY81020 can also operate at 98% duty cycle for
low dropout operation, and internal soft-start allows for low inrush currents, extending battery life in portable
systems. In terms of protection features, it features cycle-by-cycle peak current limiting, short-circuit protection,
thermal shutdown and undervoltage lockout.
The RY81020 is available in ESOP8 packages.
Features
•
Wide input voltage Range: 4.5V~100V
•
Adjustable Output Voltage from 0.8V to VIN
•
Low RDS(ON) Switches 500mΩ
•
420kHz Fixed Switching Frequency or
370-620kHz Adjustable Switching Frequency
•
Duty Cycle up to 98%
•
Short Circuit Protection
•
Over Current Protection
•
Internal Soft Startup
•
Thermal Shutdown Protection
•
Available in ESOP8 Packages
Applications
•
LCD Monitor and LCD TV
•
Battery-powered Equipment
•
Entertainment Devices
•
Digital Home Appliances: Digital TVs
•
ADSL Modem Portable Instruments
Typical Application Circuit
上一篇：HTN7862, HTN7662 4V~65V输入，支持100%占空比模式，3A异步降压变换
下一篇：HT7887带有3.3V, 150mA LDO输出的100V输入，3.5A开关限流降压芯片
