BL8542CCB5TR

BL8542C Low Voltage Startup, 1MHz 500mA Synchronous Step-Up DC-DC DESCRIPTION FEATURES The BL8542C is a step-up up converter that provides a boosted output voltage from a low voltage source. Because of its proprietary design, it starts up at a very low input voltage down to 850mV, making it an ideal choice for single cell alkaline/NiMH battery operations.  Low Vin Start-up Voltage down to 850mV         Ideal for Single Alkaline Cell operations Capable of delivering 500mA output current at Vin=3.0V, V out=3.3V 1MHz Switching Frequency allows small inductor and output cap Input boost-strapping allows using small or no input cap Low Noise PWM control Internally Compensated Current Mode Control Internal Synchronous Rectifier Logic Control Shutdown (IQ