ROHMs highly-efficient buck-boost converter BD8306MUV produces step-up/down output voltage including 3.3 V from two-cell or three-cell alkaline battery, or one-cell lithium-ion battery with just one inductor. This IC adopts an original step-up/down drive system and creates a higher efficient power supply than conventional Sepic-system or H-bridge system switching regulators.
Highly-efficient step-up/down DC/DC converter to be constructed just with one inductor. Input voltage 1.8V-5.5V Output current 1 A at 3.3V 700mA at 5.0V(Input voltage 2.8V-5.5V) Incorporates soft-start function. Incorporates timer latch system short protecting function. High heat radiation surface mounted package: VQFN016V3030 Applications: Coin Processing Machines Portable Data Terminal Meter for Medical Treatments Portable Barcode Scanner Digital Multimeter: Handy Type Single Board Computer Digital Stethoscope Network Attached Storage X-ray Inspection Machine for Security Monitor for Medical CT Scanner ECG(EKG) Intercom / Baby Monitor Machine Vision Camera for Industrial Fingerprint Authentication Device Pulse Oximeter Display for EMS Digital Multimeter: Bench Type