STD2805 Low voltage fast-switching PNP power transistor Preliminary Data Features ■ Very low collector to emitter saturation voltage ■ High current gain characteristic ■ Fast-switching speed ■ Surface-mounting DPAK (TO-252) power package in tape & reel (suffix “T4) ■ 3 1 Through-hole IPAK (TO-251) power package in tube (suffix “-1”) Description The device is manufactured in PNP Planar technology by using a “Base Island” layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage. 1 TO-252 TO-251 DPAK IPAK (suffix “T4”) (suffix “-1”) Figure 1. 2 3 Internal schematic diagram Applications ■ CCFL drivers ■ Voltage regulators ■ Relay drivers ■ High efficiency low voltage switching applications Table 1. Devices summary Order codes Marking Package Packaging STD2805T4 D2805 DPAK Tape & reel STD2805-1 D2805 IPAK Tube June 2007 Rev 1 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1/9 www.st.com 9 Electrical ratings 1 STD2805 Electrical ratings Table 1. Absolute maximum rating Symbol Value Unit VCBO Collector-base voltage (IE =0) -60 V VCEO Collector-emitter voltage (IB =0) -60 V VEBO Emitter-base voltage (IC =0) -6 V Collector current -5 A Collector peak current (tP < 5ms) -10 A Base current -2 A Ptot Total dissipation at T c ≤ 25°C 15 W Tstg Storage temperature -65 to 150 °C 150 °C Value Unit 8.33 °C/W IC ICM IB TJ Table 2. Symbol Rthj-case 2/9 Parameter Max. operating junction temperature Thermal data Parameter Thermal resistance junction-case __max STD2805 2 Electrical characteristics Electrical characteristics (Tcase = 25°C unless otherwise specified) Table 3. Symbol Electrical characteristics Parameter Test Conditions Min. Typ. Max. Unit ICBO Collector cut-off current (IE =0) VCB = -60V 0.1 µA IEBO Emitter cut-off current (IC =0) VEB = -5V 0.1 µA V(BR)CBO Collector-base breakdown voltage (IE = 0) IC =-100µA -60 V V(BR)CEO Collector-emitter breakdown voltage (IB = 0) IC =-1mA -60 V V(BR)EBO Emitter-base breakdown voltage (IC = 0) IE =-100µA -6 V IC =-100mA _ IB =-5mA VCE(sat) (1) VBE(sat) (1) hFE (1) fT CCBO tON ts tf Collector-emitter saturation voltage Base-emitter saturation voltage DC current gain -50 mV IC =-2A _ _ IB =-50mA -150 -300 mV IC =-3A ___ IB =-150mA -200 -400 mV IC =-5A ___ IB =-200mA -600 mV IC =-2A _ _ IB =-50mA -1.2 V -0.9 IC =-100mA VCE =-2V 200 IC =-5A VCE =-2V 85 IC =-10A VCE =-2V 20 400 Transition frequency VCE =-10V IC =-50mA 150 MHz Collector-base capacitance VCB =-10V f =1MHz 60 pF VCC = -30V IC = -1A 80 ns 600 ns 70 ns Resistive load Turn-on time Storage time Fall time IB1 =-IB2 = -0.1A Note (1) Pulsed duration = 300 µs, duty cycle ≤1.5% 3/9 Electrical characteristics 2.1 Test circuit Figure 2. Resistive load switching test circuit 1) Fast electronic switch 2) Non-inductive resistor 4/9 STD2805 STD2805 3 Package mechanical data 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 5/9 Package mechanical data STD2805 TO-252 (DPAK) MECHANICAL DATA mm DIM. MIN. TYP. inch MAX. MIN. A 2.20 2.40 0.087 TYP. 0.094 MAX. A1 0.90 1.10 0.035 0.043 A2 0.03 0.23 0.001 0.009 B 0.64 0.90 0.025 0.035 B2 5.20 5.40 0.204 0.213 C 0.45 0.60 0.018 0.024 C2 0.48 0.60 0.019 0.024 D 6.00 6.20 0.236 0.244 E 6.40 6.60 0.252 0.260 G 4.40 4.60 0.173 0.181 H 9.35 10.10 0.368 L2 0.8 0.398 0.031 L4 0.60 1.00 0.024 0.039 V2 0o 8o 0o 0o P032P_B 6/9 STD2805 Package mechanical data TO-251 (IPAK) MECHANICAL DATA DIM. mm MIN. TYP. inch MAX. MIN. TYP. MAX. A 2.20 2.40 0.087 0.094 A1 0.90 1.10 0.035 0.043 A3 0.70 1.30 0.028 0.051 B 0.64 0.90 0.025 0.035 B2 5.20 5.40 0.204 0.213 B3 0.85 B5 0.033 0.30 B6 0.012 0.95 0.037 C 0.45 0.60 0.018 0.024 C2 0.48 0.60 0.019 0.024 D 6.00 6.20 0.237 0.244 E 6.40 6.60 0.252 0.260 G 4.40 4.60 0.173 0.181 H 15.90 16.30 0.626 0.642 L 9.00 9.40 0.354 0.370 L1 0.80 1.20 0.031 0.047 L2 0.80 V1 10o 1.00 0.031 0.039 10o P032N_E 7/9 Revision history 4 STD2805 Revision history Table 4. 8/9 Revision history Date Revision 26-Jun-2007 1 Changes Initial release. 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