MM3333XN

MITSUMI Step-up DC-DC Converter IC MM3333XN Step-up DC-DC Converter IC Monolithic IC MM3333XN Outline This IC is a step-up DC-DC converter with automatic PWM/PFM switching function. A step-up DC-DC converter can be configured by using only coil, capacitor, and diode as external components. It is optimal for applications for mobile equipment that will need high efficiency due to characteristics of small package or low current consumption. Also with an automatic PWM/PFM switching function, decrease of efficiency by current consumption of IC during low load is prevented. Features 1. Step-up is possible from input voltage of 1.8 V, so operations are possible with only one battery. 2. It has realized high efficiency with low current consumption and PFM operation. 3. Adopted small package. Package SOT-26B Applications 1. Power supply for mobile equipment such as digital still cameras, electronic organizers, PDA, etc. 2. Power supply for audio equipment such as portable CD, MD, etc. 3. ...