2STF2220

www.DataSheet4U.com 2STF2220 High Gain Low Voltage PNP Power Transistor General features ■ ■ ■ ■ Very low Collector to Emitter saturation voltage D.C. Current gain, hFE >100 1.5 A continuous collector current In compliance with the 2002/93/EC European Directive SOT-89 Description The device in a PNP transistor manufactured using new “PB-HDC” (Power Bipolar High Density Current) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. Internal schematic diagram Applications ■ ■ Power management in portable equipment Switching regulator in battery charger applications Order codes Part Number 2STF2220 Marking 2220 Package SOT-89 Packing Tape & reel September 2006 Rev 2 1/11 www.st.com 11 2STF2220 Contents 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2/11 2STF2220 Electrical ratings 1 Electrical ratings Tabl...