STN690A

STN690A High performance low voltage NPN transistor Features Very low collector to emitter saturation voltage DC current gain, h > 100 FE 4 3 A continuous collector current 40 V breakdown voltage V (BR)CER 3 SOT-223 plastic package for surface mounting 2 circuits in tape and reel packaging 1 Applications SOT-223 Power management in portable equipment Voltage regulation in bias supply circuits Switching regulator in battery charger Figure 1. Internal schematic diagram applications Heavy load driver Description The device in manufactured in low voltage NPN planar technology by using a Base Island layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. Table 1. Device summary Order code Marking Package Packaging STN690A N690A SOT-223 Tape and reel February 2009 Rev 2 1/9 www.st.com 9 Obsolete Product(s) - Obsolete Product(s)Electrical ratings STN690A 1 Electrical ratings Table 2. Absolute maximum ratings Symbol Parameter Value Unit V Collector-base voltage (I = 0) 40 V CBO E V Collector-emitter voltage (R = 47 ) 40 V CER BE V Collector-emitter voltage (I = 0) 30 V CEO B V Emitter-base voltage (I = 0) 5 V EBO C I Collector current 3 A C I Collector peak current (t < 5 ms) 6 A CM P P Total dissipation at T = 25 C 1.6 W tot amb T Storage temperature -65 to 150 C stg T Max. operating junction temperature 150 C J Table 3. Thermal data Symbol Parameter Value Unit (1) R 78 C/W thj-amb Thermal resistance junction-amb max 2 1. Device mounted on PCB area of 1 cm . 2/9 Obsolete Product(s) - Obsolete Product(s)