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会员年限：15年
林小姐 
电话：0755-21001680
颜先生
电话：0755-82170220
手机：13925219291
ETA3421B 0.7A, 1.5MHz降压恒流，高效率
0.7A, 1.5MHz Step-Down Constant Current, High Efficiency
The ETA3421 is a high-efficiency, DC-to-DC step-down constant current LED driver, capable of delivering up to 0.7A of output current. The device operates from an input voltage range of 3.3V to 5.5V and use 0.1V FB voltage to achieve high efficiency.
Features
Up to 90% Efficiency
5MHz Switching Frequency
1V FB Voltage
True PWM Current Program
Open LED Protection
Short LED Protection
Tiny SOT23-5 Package
Applications
IP CAM
1 Cell Li-Ion Battery Powered Flashlight
应用电路图：
询价
