N2540

2STN2540 Low voltage fast-switching PNP power bipolar transistor Preliminary Data General features ■ ■ ■ ■ Very low collector-emitter saturation voltage High current gain characteristic Fast switching speed Surface mounting device in medium power SOT-223 package In compliance with the 2002/93/EC European Directive 2 2 3 ■ 1 SOT-223 Description The device in a PNP transistor manufactured using new “PB-HCD” (Power Bipolar High Current Density) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. Internal schematic diagram Applications ■ ■ ■ ■ ■ Emergency lighting Led CCFL drivers (back lighting) Voltage regulation Relay driver Order codes Part Number 2STN2540 Marking N2540 Package SOT-223 Packing Tape & reel November 2006 Rev 2 1/9 www.st.com 9 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 2STN2540 Contents 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) ............................. 4 3 4 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2/9 2STN2540 Electrical ratings 1 Electrical ratings Table 1. Symbol VCBO VCEO VEBO IC ICM IBM Ptot Tstg TJ Absolute maximum rating Parameter Collector-base voltage (IE = 0) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tP < 5ms) Base peak current (tP < 5ms) Total dissipation at T amb = 25°C Storage temperature Max. operating junction temperature Value -40 -40 -6 -5 -10 -2 1.6 -65 to 150 150 Unit V V V A A A W °C °C Table 2. Symbol Thermal data Parameter __max Value 78 Unit °C/W Rthj-amb(1) Thermal resistance junction-amb (1) Device mounted on PCB area of 1cm2 3/9 Electrical characteristics 2STN2540 2 Electrical characteristics (Tcase = 25°C unless otherwise specified) Table 3. Symbol ICBO IEBO Electrical characteristics Parameter Collector cut-off current (IE =0) Emitter cut-off current (IC =0) (2) Test Conditions VCB = -30V VEB = -5V IC = -0.5A IB = -5mA IB = -10mA IB = -200mA IB = -500mA IB = -500mA IC = -2A V CE = -2V V CE = -2V V CE = -2V V CE = -2V Min. Typ. Max. -0.1 -0.1 Unit µA µA mV mV mV mV V V -80 -120 -140 -350 -120 -180 -200 -450 -1.3 -1.25 VCE(sat) Collector-emitter saturation voltage IC = -1A IC = -2A IC = -5A VBE(sat) (2) VBE(on) (2) Base-emitter saturation voltage Base-emitter on voltage IC = -5A VCE = -2V IC = -0.5A 250 200 150 50 hFE (2) DC current gain IC = -1A IC = -2A IC = -5A Note (2) Pulsed duration = 300 µs, duty cycle ≤1.5% 2.1 Electrical characteristics (curves) Figure 1. DC current gain Figure 2. Collector-emitter saturation voltage 4/9 2STN2540 Figure 3. Base-emitter saturation voltage Figure 4. Electrical characteristics Base-emitter on voltage 5/9 Package mechanical data 2STN2540 3 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com 6/9 2STN2540 Package mechanical data SOT-223 MECHANICAL DATA mm MIN. A B B1 c D e e1 E H V A1 0.02 3.30 6.70 0.60 2.90 0.24 6.30 0.70 3.00 0.26 6.50 2.30 4.60 3.50 7.00 3.70 7.30 10 o DIM. inch MAX. 1.80 0.80 3.10 0.32 6.70 0.024 0.114 0.009 0.248 0.027 0.118 0.010 0.256 0.090 0.181 0.130 0.264 0.138 0.276 0.146 0.287 10o MIN. TYP. MAX. 0.071 0.031 0.122 0.013 0.264 TYP. P008B 7/9 Revision history 2STN2540 4 Revision history Table 4. Date 23-Oct-2006 03-Nov-2006 Revision history Revision 1 2 Initial release New graphics Changes 8/9 2STN2540 Please Read Carefully: Information in this document is provided solely in connection with ST products. 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