STD888T4

www.DataSheet4U.com STD888T4 Medium Current, High Performance, Low Voltage PNP Transistor General features ■ ■ ■ ■ Very low Collector to Emitter saturation voltage D.C. Current gain, hFE >100 5A continuous collector current Surface mounting DPAK(TO-252) power package in tape & reel packing In compliance with the 2002/93/EC European Directive 3 1 DPAK (TO-252) ■ Description The device in manufactured in low voltage PNP Planar Technology by using a “Base Island” layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. Internal schematic diagram Applications ■ ■ ■ Power management in portable equipment Voltage regulation in bias supply circuits Switching regulator in battery charger applications Heavy load driver ■ Order codes Part Number STD888T4 Marking D888 Package DPAK Packing Tape & reel April 2006 Rev 2 1/10 www.st.com 10 STD888T4 Contents 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Revision history . . . . . ....