驱动IC
G5177B
2013
致新科技
SOP-8
企业名:深圳市四海恒通科技有限公司
类型:经销商
电话: 755-83983377
联系人:王德源
地址:广东深圳福虹路鼎盛时代A座9楼9B
深圳四海恒通科技是AXElite亚瑟莱特的授权代理商,代理全系列产品,部分长期备有大量现货,竭诚为您提供优惠的价格,提供样品及相应的技术支持,欢迎与我们联系。
联系: / 公司网站:www.gofotech.com
The G5177B is a compact, high-efficiency, synchronous step-up converter with power Mosfets embedded and with output turn off true shutdown function and adjustable output current limiting with foldback for a single-cell Li-ion/polymer battery. The G5177B uses only 70μA (t*) quiescent current and allows the converter to switch only when needed at no load and light
loads, and when load is higher than 100mA, it uses fixed-frequency PWM technique at 1MHz. It features a current mode control for fast transient response with internal compensation. The G5177B includes cycle-by-cycle current limit to maximum inductor current and over-temperature protection circuit. The G5177B is suitable for iPad-like computers, smart phones and portable handheld devices.
The G5177B is available in a SOP8 (FD) package. The operating temperature range is from -45°C to 85°C.
特点:
• Up to 90% Efficiency atIout=2A VOUT = 5V from3.3V Input
• Low 70μA Quiescent Current
• Guaranteed 3A Output Current at VOUT = 5V
from 3.3V Input
• 1MHz PWM Switching Frequency
• Synchronous and Embedded PowerMosfets;NoSchottkyDiode Required
• Internal Soft-Start to Limit Inrush Current
• Adjustable Output
• Output turn off true shutdown function
• Current Mode Operation with Internal Compensationfor Excellent Line and Load Transient Response
• Overload/Short-Circuit Protection with hiccup control
• Shutdown Current <1μA
• TheralShutdown
• Compact 8 pin,SOP8 (FD) package
引脚图:
典型应用电路图:
友情链接: 深圳市元东发电子有限公司