器件名称: AMC3100-1.5DBFT
功能描述: 1.5MHz, 600mA SYNCHRONOUS STEP-DOWN CONVERTER
文件大小: 344.66KB 共10页
简 介:AMC3100
www.addmtek.com DESCRIPTION The AMC3100 is a high efficiency synchronous buck DC/DC converter using a constant frequency, current mode architecture. Adjustable version and fixed output voltages of 1.2V, 1.5V and 1.8V are available. 300uA low supply current at no load and <1A supply current at shutdown. The 2.5V to 5.5V input voltage range makes the AMC3100 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM pulse skipping mode operation provides very low output ripple voltage for noise sensitive applications. Switching frequency is internally set at 1.5MHz, allowing using small surface mount inductors and capacitors. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Low output voltages are easily supported with the 0.6V feedback reference voltage. The AMC3100 is available in a low profile (1mm) Thin SOT-23-5L package. TYPICAL APPLICATION
VOUT＝1.8V / 600mA L VIN＝2.5V to 5.5V VIN SW VOUT
1.5MHz, 600mA SYNCHRONOUS STEP-DOWN CONVERTER
FEATURES
High Efficiency: Up to 96% 600mA Output Current at VIN=3V 2.5V to 5.5V Input Voltage Range 1.5MHz Constant Switching Frequency No Schottky Diode Required 100% Duty Cycle as Low Dropout Operation 0.6V Reference Voltage Allows 0.6V Minimum Output Voltage <1A Shutdown Mode Supply Current Current Mode Operation for Excellent Line and Load Transient Response Ov……
