STT818A HIGH GAIN LOW VOLTAGE PNP POWER TRANSISTOR ■ ■ ■ ■ VERY LOW SATURATION VOLTAGE DC CURRENT GAIN > 100 (hFE) 3 A CONTINUOUS COLLECTOR CURRENT (IC ) SURFACE-MOUNTING SOT23-6L PACKAGE IN TAPE & REEL APPLICATIONS ■ POWER MANAGEMENT IN PORTABLE EQUIPMENTS ■ SWITCHING REGULATOR IN BATTERY CHARGER APPLICATIONS DESCRIPTION Using the latest low voltage Epitaxial Planar technology based on interdigitated layout, STMicroelectronics has introduced the new “High Gain” Power bipolar transistor family, with outstanding performances. Its very low saturation voltage combined with the “high gain” characteristics make it ideal for all high efficiency low voltage switching applications. SOT23-6L (TSOP6) INTERNAL SCHEMATIC DIAGRAM Marking : 818A ABSOLUTE MAXIMUM RATINGS Symbol Value Uni t V CBO Collector-Base Voltage (IE = 0) -30 V V CEO Collector-Emitter Voltage (I B = 0) -30 V V EBO Emitter-Base Voltage (I C = 0) -5 V Collector Current -3 A -6 A IC I CM Parameter Collector Peak Current Base Current -0.2 A I BM Base Peak Current -0.5 A P t ot Total Dissipation at T C = 25 C T stg Storage Temperature IB Tj o Max. O perating Junction Temperature February 2001 1.2 W -65 to 150 o C 150 o C 1/6 STT818A THERMAL DATA R thj -amb (1) Thermal Resistance Junction-ambient Max o 105 C/W (1) Package mounted on FR4 pcb 25mm x 25mm. ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symb ol I CBO I EBO Parameter Test Cond ition s Collector Cut-off Current (IE = 0) V CB = -30 V V CB = -30 V Emitter Cut-off Current (I C = 0) V EB = -5 V I C = -10 mA V CE(sat )∗ Collector-Emitter Saturation Voltage I C = -0.7 A I C = -1.2 A I C = -2 A I B = -20 mA I B = -20 mA IB = -20 mA V BE(s at)∗ Base-Emitter Saturation Voltage I C = -0.7 A V BE(ON) ∗ Base-Emitter Voltage DC Current G ain 2/6 Max. Un it -0.1 -20 µA µA -0.1 µA -30 V -0.12 -0.25 -0.5 V V V I B = -20 mA -1.1 V I C = -2 A V CE = -2 V -1.1 V I C = -0.5 A I C = -2.5 A V CE = -1 V V CE = -3 V ∗ Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %. Safe Operating Area Typ . T C = 125 o C V ( BR)CEO ∗ Collector-Emitter Breakdown Voltage (I B = 0) h FE∗ Min. DC Current Gain -0.07 -0.12 -0.25 100 100 300 STT818A Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Collector Emitter Saturation Voltage Base Emitter Saturation Voltage Base Emitter Voltage Switching Times Inductive Load 3/6 STT818A Switching Times Resistive Load Figure 1: Inductive Load Switching Test Circuits. 1) F ast electronic switch 2) Non-inductive Resistor 3) F ast recovery rectifier Figure 2: Resistive Load Switching Test Circuits. 1) F ast electronic switch 2) Non-inductive Resistor 4/6 Switching Times Resistive Load STT818A SOT23-6L MECHANICAL DATA mm DIM. MIN. mils TYP. MAX. MIN. TYP. MAX. A 0.90 1.45 0.035 0.057 A1 0.00 0.15 0.000 0.006 A2 0.90 1.30 0.035 0.051 b 0.25 0.50 0.010 0.020 C 0.09 0.20 0.004 0.008 D 2.80 3.10 0.110 0.122 E 2.60 3.00 0.102 0.118 E1 1.50 1.75 0.059 0.069 L 0.35 0.55 0.014 0.022 e 0.95 0.037 e1 1.90 0.075 A A2 e A1 b L c E e1 D E1 5/6 STT818A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics 2001 STMicroelectronics – Printed in Italy – All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 6/6