2STF2220 STMicroelectronics

2STF2220 High gain Low Voltage PNP power transistor Features Very low Collector to Emitter saturation voltage D.C. Current gain, h >100 FE 1.5 A continuous collector current Applications Power management in portable equipment SOT-89 Switching regulator in battery charger applications Description The device in a PNP transistor manufactured Figure 1. Internal schematic diagram using new PB-HDC (Power Bipolar High Density Current) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. Table 1. Device summary Order code Marking Package Packaging 2STF2220 2220 SOT-89 Tape & reel September 2007 Rev 3 1/11 www.st.com 11 Obsolete Product(s) - Obsolete Product(s)2STF2220 Contents 1 Electrical ratings 3 2 Electrical characteristics . 4 2.1 Electrical characteristics (curves) 5 2.2 Test circuits 7 3 Package mechanical data . 8 4 Revision history . 10 2/11 Obsolete Product(s) - Obsolete Product(s)