ML63

www.DataSheet4U.com ML63 ML63 Series DC-DC Converter v Application u u u u Power Source of Portable Products Palmtops Portable Cameras and Video Recorders Wireless mouse and keyboard v Features l l l l l l l Small number of external components: inductor, diode and capacitor. Ultra low input current : Typical 0.6uA (at no load, 1.5V input) Oscillator : 100 kHz, 180 kHz ( + 15%) Low ripple and noise Low startup voltage : Max 0.9V (with 1mA input) High Efficiency: Typical 80% Package Available: SOT- 89 (500mW) & TO - 92 (300mW) v General Description The ML63 is a group of VFM Step-up DC/DC converter IC with ultra-low supply current by CMOS process. It consists of an oscillator, a VFM control circuit, a Lx switch driver transistor, a reference voltage unit, an error amplifier for voltage detection and an Lx switch protection circuit. It is suitable for use with battery-powered instruments with low noise and ultra low supply current. v Block Diagram Lx LxSW VLX limiter Vref Buffer OUT VFM control Vss OSC 100KHz/180KHz Error Amp. v Absolute Maximum Ratings Parameter Input Voltage Output Current Output Voltage Continuous Total Power Dissipation SOT-89 Pd TO-92 Topr Tstg 300 -30 ~ +80 -40 ~ +125 o Symbol VIN IOUT VOUT Ratings 8 500 VSS-0.3 ~VIN+0.3 500 Units V mA V mW C C Operating Ambient Temperature Storage Temperature o 1/5 www.DataSheet4U.com ML63 v Electrical Characteristics VIN = 1.6V, IOUT = 10mA, Ta = 25 oC, unless otherwise provided. ML63271 / ML6327...